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Icom IC-910H Instruction Manual

Manual is about: Service+Manual+IC-910H

Summary of IC-910H

  • Page 1

    Instruction manual vhf/uhf all mode transceiver i910h from the n3ujj.Com document library from the n3ujj.Com document library.

  • Page 2

    Important read this instruction manual carefully before attempting to operate the transceiver. Save this instruction manual. This manual contains important safety and operating in- structions for the ic-910h. Explicit definitions i r warning high voltage! Never at- tach an antenna or internal antenn...

  • Page 3: Table of Contents

    Supplied accessories the transceiver comes with the following accessories. Qty. Q dc power cable (opc-657a) ............................ 1 w hand microphone (hm-12) ................................ 1 e spare fuses (fgb 30 a) .................................... 2 r spare fuse (fgb 4 a) ................

  • Page 4: Front Panel

    ■ front panel q power switch [power] ➥push momentarily to turn power on. ➥push for 2 sec. To turn power off. W transmit switch [transmit] push to select transmitting or receiving. E compression switch [comp] (p. 36) push to switch the speech compressor function on and off. • the speech compressor in...

  • Page 5

    O main band indicator [main] ➥lights green while the squelch is opened or a sig- nal is received on the main band; lights red while transmitting on the main band. • while transmitting, the indicator also shows alc con- dition. Brightness increases more than usual when the alc function is activated. ...

  • Page 6: ■ Front Panel

    4 2 panel description ■ front panel (continued) !4 af control [af] (inner control) varies the audio output level from the speaker for the sub band. !5 set • menu switch [set • menu] (p. 55) ➥push this switch then one of [fm], [ssb/cw], [rit], [scan], [nr], [trans- mit], [comp], [vox], [att], [swp], ...

  • Page 7

    5 2 panel description !8 auto gain control • auto notch filter switch [agc • anf] ➥push to switch the time constant of the automatic gain control to slow and fast for the main band.* (p. 28) • slow selection ( “ fagc ” disappears) during ssb (usb or lsb) operation, fast selection ( “ fagc ” appears)...

  • Page 8: ■ Front Panel

    6 2 panel description @4 rit control [rit] (p. 27) shifts the receive frequency without changing the transmit frequency for the main band only while the rit function is activated. • ssb/cw mode : ±1.0 khz* in 10 hz step • fm mode : ±5.0 khz* in 50 hz step *for 1200 mhz band; ±2.0 khz and ±10.0 khz, ...

  • Page 9

    7 2 panel description • enters numeral “ 1 ” when entering an operating frequency. (p. 23) • switches between vfo and memory mode. (p. 40) enters numeral “ 2 ” when entering an operating frequency. (p. 23) • enters numeral “ 3 ” when entering an operating frequency. (p. 23) • switches between vfo a ...

  • Page 10: ■ Front Panel

    8 2 panel description @9 split • duplex switch [split • dup] ➥push to turn the split function, with the vfo a and b, on and off. (p. 37) • the split operation is not available for the sub band. ➥push for 1 sec. To select the duplex (re- peater) direction or to turn the function off. (p. 34) • the du...

  • Page 11

    9 2 panel description #4 sub • sub off switch [sub • sub off] ➥push to enable the sub band control from the tuning dial, keypad, etc. (p. 19) • “ sub ” indicator appears. ➥push for 1 sec. To turn the sub band readout indication on and off. (p. 24) #5 call • tone squelch switch [call • t-sql] ➥push t...

  • Page 12: ■ Function Display

    10 2 panel description q frequency readouts (p. 22) shows the operating frequency. • setting item name is indicated during set mode. (p. 55) w mode indicator (p. 23) shows the selected operation mode. E tuning step indicator (p. 22) appears when the 1 khz or 1 mhz tuning step is se- lected. R duplex...

  • Page 13

    11 2 panel description !1 data transmission speed indicator (p. 52) appears when 9600 bps speed is selected for packet transmission. !2 speech compressor indicator (p. 36) appears when the speech compressor is activated. !3 set indicator (p. 55) appears when [set] is pushed. Disappears after any swi...

  • Page 14: ■ Rear Panel

    12 2 panel description ■ rear panel q 430(440) mhz antenna connector (p. 15) accepts a 50 Ω antenna with a type-n connector. W dc power socket [dc 13.8v] (p. 17) accepts 13.8 v dc through the supplied dc power cable (opc-657a). E 144 mhz antenna connector (p. 15) accept a 50 Ω antenna with a pl-259 ...

  • Page 15

    Data socket pin no. Pin name description acc(1) socket pin no. Pin name description speci fi cation 13 2 panel description d acc sockets d data sockets 1 2 3 4 5 6 7 8 nc gnd send mod af sqls 13.8 v alc no connection. Connect to ground. Input terminal to transmit the trans- ceiver in relation to the...

  • Page 16: ■ Unpacking

    3 14 installation and connections ■ unpacking after unpacking, immediately report any damage to the delivering carrier or dealer. Keep the shipping cartons. For a description and a diagram of accessory equip- ment included with the ic-910h, see ‘ supplied acces- sories ’ on p. 1 of this manual. ■ gr...

  • Page 17: ■ Required Connections

    Dc power supply (p. 17) [430(440)mhz ant] (p. 14) [1200mhz ant] (p. 14) [144mhz ant] (p. 14) [key] jack (p. 38) ground (p. 14) required for optional ux-910 operation. + _ 13.8 v dc more than 25 a (dot) (com) (dash) + _ 15 3 installation and connections sm-20 desktop microphone (optional) microphone ...

  • Page 18: ■ Advanced Connections

    16 3 installation and connections mb-23 carrying handle preamp (p. 59) (144 mhz/430(440) mhz/1200 mhz) external speaker (main/sub) (p. 12) ct-17 144 mhz : ag-25 430(440) mhz : ag-35 1200 mhz : ag-1200 external all-weather, mast mounting preamplifiers are available. Main main 144 mhz 430(440) mhz 120...

  • Page 19

    Ac outlet ac cable 13.8 v dc 25 a a dc power supply black _ red + ic-910h supplied dc power cable 17 3 installation and connections 24v ciga ic-910h 12 v battery supplied dc power cable + red _ black crimp solder grommet connecting a vehicle battery connecting a dc power supply ■ power supply connec...

  • Page 20: ■ Initial Settings

    ■ initial settings after resetting the transceiver, set controls and switches as shown in the fi gure below. Turn power on, then check the display. If any of the following indicators appear, turn them off as follows: • quick tuning step indicator “ ▼ ” : push [khz/mhz]. • rit indicator “ rit ” : pus...

  • Page 21: ■ Main and Sub Bands

    19 4 basic operation ■ main and sub bands the ic-910h has dual bands: 144 mhz and 430(440) mhz. These bands can be assigned to the main and sub bands for operating convenience. Each main and sub bands have independent fea- tures. The main band is the operation for both transmit and receive, and is d...

  • Page 22

    20 4 basic operation ■ operating band selection (optional ux-910 is required) the ic-910h can be used on the additional 1200 mhz band with the optional ux-910. The operating band can be selected by pushing [m/s • band] for 1 sec. ◊ selecting on the main band q push [sub] to cancel the sub band acces...

  • Page 23: ■ Vfo Description

    21 4 basic operation ■ vfo description the ic-910h has two vfos for both bands, specially suited for instant selection of 2 frequencies or split fre- quency operation. The vfos are called vfo a and vfo b. You can use the desired vfo to call up a fre- quency and operating mode for your operation. Vfo...

  • Page 24: ■ Frequency Setting

    22 4 basic operation ■ frequency setting the ic-910h has several tuning steps and a [khz/mhz] switch for convenient frequency tuning. Q push [m/s] to select the desired frequency band as the main band; or push [sub] to access the sub band. W rotate the tuning dial to select the frequency. • the memo...

  • Page 25

    23 4 basic operation ◊ frequency setting with the keypad the operating frequency can be directly entered from the keypad. Q push [f-inp ent] to access the keypad frequency entry. • all digits of frequency indication disappear. W push numeral keys to enter the desired operating frequency. • the enter...

  • Page 26: ■ Sub Band Off

    ◊ when the [rit] control is assigned as sub tuning dial q push [rit] for 1 sec. • “ rit ” indicator flashes when the sub tuning dial func- tion is activated. W rotate [rit] control for the desired tuning direction and speed. • tuning speed can be adjusted in ±5 steps. E set [rit] control to the cent...

  • Page 27: ■ Dial Lock Function

    25 4 basic operation ◊ sub tuning dial assignment q push [set] then [rit] to enter the rit/shift set mode. W push [dn ▼] or [▲ up] to select [rit] or [shift] control to be assigned. • “ rit nob ” or “ sft nob ” appears. E rotate the tuning dial to select the condition as de- scribed below. • pushing...

  • Page 28: ■ Functions For Receive

    ■ functions for receive ◊ volume setting ➥ rotate [af] control for the speci fi ed operating band (main or sub) to output a suitable audio level. ◊ squelch setting the squelch removes noise output from the speaker (closed position) when no signal is received. The squelch is particularly effective fo...

  • Page 29: ■ Rit Function

    ■ rit function the rit (receive incremental tuning) function com- pensates for off-frequencies of the communicating sta- tion without moving the transmit frequency. The rit function can be used for the main band only. The function affects the main band even when ac- cessing the sub band. Q push [rit...

  • Page 30: ■ Agc Time Constant

    28 5 receive and transmit ■ agc time constant the agc (automatic gain control) controls receiver gain to produce a constant output level even when the received signal strength is varied by fading, etc. Use agc slow for normal phone operation; agc fast for re- ceiving data and searching for signals. ...

  • Page 31: ■ Attenuator

    ■ attenuator the attenuator prevents desired signals from distort- ing when very strong signals are near the desired fre- quency, or when very strong electric fields, such as from broadcasting stations are near from your location. The attenuator can be set to both or either band sepa- rately, and th...

  • Page 32: ■ Noise Blanker

    30 5 receive and transmit ■ noise blanker when operating in ssb or cw mode, pulse-type noise may be received such as from car ignitions. In this case, the noise blanker eliminates such noise. The noise blanker is effective on both the main and sub bands but cannot be used for fm, or non-pulse- type ...

  • Page 33: ■ Optional Dsp Functions

    31 5 receive and transmit ■ optional dsp functions to activate the following functions, the optional dsp unit, ut-106, must be installed for both or either the main and/or sub bands. ◊ nr (noise reduction) function this function reduces noise components and picks out desired signals which are buried...

  • Page 34: ■ Functions For Transmit

    32 5 receive and transmit ■ functions for transmit ◊ output power the transmit output power can be continuously ad- justed with [rf pwr]. Available power 144 mhz band : 5 – 100 w 430(440) mhz band : 5 – 75 w 1200 mhz band : 1 – 10 w (optional) note: to prevent interference, listen on the fre- quency...

  • Page 35: ■ Fm Mode Operation

    33 5 receive and transmit ■ fm mode operation q push [m/s • band] to select the desired band. W push [fm] to select fm mode. • “ fm ” indicator appears. • push [fm] again to select repeater operation after fm mode selection. “ dup –” and “ t ” indicators appear. • push [fm] for 1 sec. To select fm n...

  • Page 36: ■ Repeater Operation

    34 5 receive and transmit ■ repeater operation a repeater ampli fi es received signals and re-transmits them at a different frequency. When using a repeater, the transmit frequency is shifted from the receive fre- quency by an offset frequency. ◊ setting the auto repeater range the auto repeater fun...

  • Page 37

    35 5 receive and transmit ◊ using the one-touch repeater function (non-european versions) by using the pre-programmed offset frequency, shift di- rection and tone frequency, quick and simple repeater operation can be made. The default values for offset frequency and direction are as follows: 144 mhz...

  • Page 38: ■ Ssb Mode Operation

    36 5 receive and transmit ■ ssb mode operation q push [m/s • band] to select the desired frequency band. W push [ssb/cw] to select usb or lsb mode. • push [ssb/cw] for 1 sec. To switch between usb and lsb when either the usb or lsb has been selected. E rotate the tuning dial to set the desired frequ...

  • Page 39: ■ Full Duplex Operation

    37 5 receive and transmit ■ split frequency operation split frequency operation allows you to transmit and receive on two different frequencies in the same fre- quency band. Split frequency operation uses 2 fre- quencies, one in vfo a and the other in vfo b. Q set a receive frequency in vfo mode. • ...

  • Page 40: ■ Connections For Cw

    38 5 receive and transmit ■ connections for cw before operating in cw, select the paddle type using the ssb/cw set mode. Q push [ssb/cw] to select cw mode. • “ cw ” indicator appears. W push [set] then [ssb/cw] to enter the ssb/cw set mode. E push [dn ▼] or [▲ up] to select the paddle type item. • “...

  • Page 41

    39 5 receive and transmit ◊ setting keying speed q push [set] then [ssb/cw] to enter the ssb/cw set mode. W push [dn ▼] or [▲ up] to select the keying speed item. • “ speed ” is displayed. E rotate the tuning dial to adjust the keying speed to the desired speed. • keying speed can be selected from 6...

  • Page 42: Memory Operation

    6 40 memory operation ■ memory channels the ic-910h has 106 memory channels (99 for regu- lar, 6 scan edges and 1 call) and they are equipped for each frequency band for storing the most often used frequencies and operating mode, as well as tone fre- quency, offset frequency, etc. ■ operation on a m...

  • Page 43: ■ Programming In Vfo Mode

    41 6 memory operation ■ programming in vfo mode memory channel programming can be performed ei- ther in vfo mode or in memory mode. Q set the desired operating frequency and mode in vfo mode. • push [v/m 1] to select vfo mode, if required. • tone frequency, offset frequency, etc., can also be pro- g...

  • Page 44: ■ Blank Channels

    42 6 memory operation ■ blank channels memory channels 6 – 99 are blank channels by factory default. They have no contents programmed. When a blank channel is selected, the “ blank ” indi- cator appears and the frequency band is displayed 2 sec. After the selection. ◊ programming a blank channel q p...

  • Page 45: ■ Memory Clearing

    43 6 memory operation ■ memory clearing any unnecessary memory channels can be cleared. The cleared memory channels become blank chan- nels. Q push [v/m 1] to select memory mode. W push [dn ▼] or [▲up] to select the desired mem- ory channel to be cleared. E push [m-cl 5] for 1 sec. To clear the cont...

  • Page 46: ■ Memo Pads

    44 6 memory operation ■ memo pads the ic-910h has a memo pad function for each fre- quency band to store frequency and operating mode for easy write and recall. The memo pads are separate from memory channels. The default number of memo pads is 5, however, this can be increased to 10 in the memo pad...

  • Page 47: Scans

    7 45 scans ■ scan types scanning searches for signals automatically and makes it easier to locate new stations for contact or lis- tening purposes. The ic-910h has several scan types; programmed scan, memory scan and mode select scan. The scanning operation can be performed indepen- dently for main ...

  • Page 48: ■ Memory Scan Operation

    46 7 scans ■ programmed scan operation scans speci fi ed frequency range, programmed in the memory channel 1a/1b, 2a/2b and 3a/3b. Before start- ing the programmed scan, scan edges should be pro- grammed in these channels. ◊ selecting scanning range q push [m/s • band] or [sub] to select the desired...

  • Page 49: ■ Mode Select Scan

    47 7 scans ■ mode select scan scans the memory channels, desired operating mode is programmed, only. Q push [m/s • band] or [sub] to select the desired frequency band to be scanned. W push [v/m 1] to select memory mode. E push [ssb/cw] or [fm] to select the desired oper- ating mode to be scanned. • ...

  • Page 50: Satellite Operation

    435 mhz band 435 mhz band 145 mhz band 145 mhz band fuji 3 (fo-29) uplink downlink 8 48 satellite operation ■ satellite communications outline both satellite mode b (435 mhz uplink, 145 mhz downlink) and mode j (145 mhz uplink, 435 mhz downlink) can be operated from the ic-910h, and mode l can be op...

  • Page 51: ■ Tracking Selection

    49 8 satellite operation ■ setting the satellite vfo q push [satellite] to enter the satellite mode. • “ satl ” indicator with either “ nor ” or “ rev ” indicator ap- pears. W push [v/m 1] to toggle satellite vfo and memory mode. • vfo or memory mode indicator is displayed in the sub band (lower are...

  • Page 52: ■ Preparation

    50 8 satellite operation ■ preparation q decide on a usable satellite. W con fi rm the approximate location of the satellite and operating mode (e.G. “ b, ” “ j, ” etc.) through docu- mentation (magazine, etc.) or via appropriate satel- lite tracking software. E set the antenna direction for the des...

  • Page 53: ■ Satellite Operation

    51 8 satellite operation ■ satellite operation when your own signal can be received with a loop test, satellite communication can be performed. Q rotate the tuning dial to re-tune the uplink fre- quency after pushing [swp 0 Í], when shifting a frequency with the doppler effect. • the downlink freque...

  • Page 54: Data Communication

    9 52 data communication ■ connections for afsk ◊ connections via [data] socket use fm mode for 9600 bps operation. Use ssb or fm mode for 1200 bps operation. ◊ connections via [acc(1)] socket or [mic] connector use fm mode for 9600 bps operation. Use ssb or fm mode for 1200 bps operation. Q data in ...

  • Page 55: ■ Operating Mode Notes

    53 9 data communication ■ operating mode notes use fm mode for 9600 bps operation. Use ssb or fm mode for 1200 bps operation. ■ operating frequency notes ◊ operating notes for rtty and amtor rtty or amtor operating frequency in lsb mode differs from the displayed frequency. [your operating freq.] = ...

  • Page 56: ■ Setting The Acc Socket

    54 9 data communication ■ setting the acc socket when operating afsk, set the specifications of the acc socket to fit your tnc or scan converter in ad- vance. Q push [set] for 1 sec. To enter the set mode. W push [dn ▼] or [▲ up] to select the 9600 bps data mode setting item, then rotate the tuning ...

  • Page 57: Set Mode

    10 55 set mode ■ set mode description set mode is used for programming infrequently changed values or conditions of functions. The ic-910h has a regular set mode and additional 12 in- dependent set modes for simple condition changing. ◊ set mode operation q push [set] for 1 sec. To enter the general...

  • Page 58: ■ General Set Mode

    ■ general set mode 56 10 set mode display backlight brightness adjust backlight brightness for the function display to the desired level within 0 (dark) to 100 (bright) range. Beep tone adjust key touch beep output level to the desired level within 0 (no output) to 100 (max. Output) range. Rf/sql co...

  • Page 59

    57 10 set mode microphone up/dn speed select continuous changing speed with microphone ’ s [up]/[dn] operation from high and low. Headphone audio switch the audio output separation capability for the headphones on and off. • on : the main and sub band audio is sepa- rated in right (main) and left (s...

  • Page 60

    58 10 set mode acc socket pin 8 assign the acc socket pin 8 action/connection from alc and microphone up/down. • alc : inputs alc signal. • ud : inputs up/down signals from the microphone. Acc socket pin 4/data socket pin 1 select modulation signal input level from high and low. • hi : high modulati...

  • Page 61

    59 10 set mode preampli fi er controller for 430(440) mhz switch the preamplifier control capability on and off. When using the optional ag-35, on must be se- lected. Otherwise, the preampli fi er is never activated. Do not connect any equipment, such as an swr or power meter, between the transceive...

  • Page 62: ■ Fm Set Mode

    60 10 set mode ■ fm set mode offset frequency for 144 mhz set the offset frequency for duplex (repeater) opera- tion within 0 – 10.00000 mhz range. This item is displayed when the 144 mhz band is ac- cessed, including the sub band access capability. • default value: 0.6000 fm offset frequency for 43...

  • Page 63

    61 10 set mode tone squelch frequency for 144 mhz select tone squelch frequency from one of 50 avail- able tone frequencies. This item is displayed when the 144 mhz band is ac- cessed, including the sub band access capability. • default value: 88.5 fm -sq sql t tone squelch frequency for 430(440) mh...

  • Page 64: ■ Ssb/cw Set Mode

    62 10 set mode ■ ssb/cw set mode squelch threshold select the squelch threshold level from 12 and 13 o ’ - clock. • 12 : the squelch closes around the 12 o ’ clock po- sition of the [sql] control. • 13 : the squelch closes around the 13 o ’ clock po- sition of the [sql] control. Carrier frequency ad...

  • Page 65

    63 10 set mode af control relation turn the relation of [af] control for cw side tone out- put level on and off. • on : cw side tone output level is adjustable via [af] control adjustment. • off : cw side tone output level is fixed regard- less of [af] control setting. C w c w cw side tone output le...

  • Page 66: ■ Scan Set Mode

    64 10 set mode ■ scan set mode ■ memo pad set mode programmed scanning range select the programmed scan range from 1a-1b, 2a- 2b and 3a-3b. • 1a-1b : scans within the range programmed in the memory channel 1a and 1b. • 2a-2b : scans within the range programmed in the memory channel 2a and 2b. • 3a-3...

  • Page 67: ■ Vox Set Mode

    65 10 set mode ■ vox set mode vox sensitivity adjust the vox sensitivity within 0 – 100% range. Vox vox delay time adjust the transmit-to-receive switching delay to the desired level within 0.0 sec. To 2.0 sec. Range in 0.1 sec. Steps. Vox ■ attenuator set mode attenuation level for 144 mhz adjust t...

  • Page 68: ■ Transmit Set Mode

    66 10 set mode ■ transmit set mode time-out timer select the time period for the time-out timer function from off, 3, 5, 10, 20 and 30 min. Ptt lock turn the transmission inhibit capability on and off. Any control for transmission is inhibited when this item is on. Sub band mute turn the sub band au...

  • Page 69: ■ Nr Set Mode

    Noise reduction level for 1200 mhz adjust the noise reduction level to the desired level within 0 – 15 for the 1200 mhz band operation. Adjust it to the level that noise signals are reduced, and received audio has no distortion. This item is displayed only when the optional ut-106 is installed. Nr s...

  • Page 70: ■ Rit/shift Set Mode

    ■ rit/shift set mode 68 10 set mode rit control assignment assign [rit] control function from rit, dial, subdial and sub-sft. • rit : [rit] control functions as rit control. • dial : [rit] control functions as tuning dial for main band. • subdial : [rit] control functions as tuning dial for sub band...

  • Page 71: ■ Speech Set Mode

    69 10 set mode ■ speech set mode output level adjust the speech audio output level within 0 (no out- put) to 100 (maximum output) range. • default value: 50 announcement language select the announcement language from english, japanese and off. • eng : announces in english. • jpn : announces in japan...

  • Page 72: Option Installations

    11 70 option installations circuitly fuse (fgb 4 a) cooling fan j1801 for ut-102 connection ssb filter (main band) cw-n filter (main band) cw-n filter (sub band) ssb filter (sub band) main unit pll unit dsp unit pll ref. Signal (for ux-910) dsp unit dc power connector ■ internal view • top view — pa...

  • Page 73: ■ Opening The Transceiver

    Follow the case and cover opening procedures shown here when you want to install an optional unit or adjust the internal units, etc. Q remove the 5 screws from the top of the transceiver and the 4 screws from the sides, then lift up the top cover. W turn the transceiver upside down. E remove the 5 s...

  • Page 74: ■ Ut-106

    72 11 option installations the ut-106 provides af dsp functions such as noise reduction and auto notch. Up to 2 dsp units can be installed for simultaneous dsp operation for both main and sub bands. When only 1 dsp unit is installed, dsp functions can be operated in either the main or sub band, whic...

  • Page 75: ■ Ux-910

    73 11 option installations the ux-910 is a band unit for 1200 mhz band opera- tion. Fm, ssb (usb/lsb), cw and cw narrow mode operations are available. Q remove the bottom cover as shown in the diagram on p. 71. W remove the antenna plate from the chassis using a standard screw driver. Warning! Never...

  • Page 76: ■ Cr-293

    74 11 option installations by installing the cr-293, the total frequency stability of the transceiver will be improved. Q remove the bottom cover as shown in the diagram on p. 71. • remove the ux-910 if you have installed it. (p. 73) w remove the 6 screws from the pll shield cover, then lift up the ...

  • Page 77: ■ Fl-132/fl-133

    75 11 option installations the ic-910h has a cw narrow mode to provide bet- ter s/n (signal-to-noise), or to reject interference. To operate the cw narrow mode, an optional cw narrow fi lter is necessary. Note: for cw narrow mode during satellite opera- tion, the fl-133 (for sub band fi lter) is nec...

  • Page 78: Maintenance

    Power receive transmit scan displa y problem possible cause solution ref. Speech 11 76 maintenance ■ troubleshooting the following chart is designed to help you correct problems which are not equipment malfunctions. If you are unable to locate the cause of a problem or solve it through the use of th...

  • Page 79: ■ Fuse Replacement

    77 11 maintenance ■ fuse replacement if a fuse blows or the transceiver stops functioning, try to fi nd the source of the problem, and replace the dam- aged fuse with a new, rated fuse. Caution: disconnect the dc power cable from the transceiver when changing a fuse. The ic-910h has 2 types of fuses...

  • Page 80: Control Command

    Controller to ic-910h fe fe fe 60 e0 cn sc data area fd preamble code (fixed) transceiver ’ s default address controller ’ s default address command number (see table at right) sub command number (see table at right) bcd code data for frequency or memory number entry end of message code (fixed) ok m...

  • Page 81

    79 13 control command command sub command 00 — 01 same as command 06 02 — 03 — 04 — 05 — 00 06 01 03 04 — 00 01 07 a0 b0 d0 d1 — 01 – 0106* 08 09 — 0a — 0b — 0c — 0d — 00 0e 01 d0 d3 00 01 0f 10 11 12 00 01 02 03 04 10 05 06 07 08 09 10 11 11 00 10, 20, 30 description send frequency data for trans- ...

  • Page 82: Specifications

    • general • frequency coverage : (unit: mhz) * 1 optional ux-910 * 2 guaranteed range is 144.0 – 148.0 mhz. * 3 guaranteed range is 430.0 – 450.0 mhz. * 4 guaranteed range is 1240.0 – 1300.0 mhz. • mode : usb, lsb, cw, fm, fm-n* *not available in 1200 mhz • no. Of memory ch. : 212 (99 regular, 6 sca...

  • Page 83: Options

    15 81 options sm-20 desktop microphone unidirectional, electret microphone for base station operation. Includes [up] and [down] switches and a low cut function. Sp-21 external speaker designed for base station operation. • input impedance: 8 Ω • max. Input power: 5 w ct-17 ci-v level converter for r...

  • Page 84: Installation Notes

    16 82 installation notes for amateur base station installations it is recom- mended that the forwards clearance in front of the an- tenna array is calculated relative to the eirp (effective isotropic radiated power). The clearance height below the antenna array can be determined in most cases from t...

  • Page 85

    83 16 installation notes declaration of conformity we icom inc. Japan 1-1-32, kamiminami, hirano-ku osaka 547-0003, japan kind of equipment: vhf/uhf all mode transceiver this compliance is based on conformity according to annex iii of the directive 1999/5/ec using the following harmonised standards:...

  • Page 86

    Count on us! 1-1-32 kamiminami, hirano-ku, osaka 547-0003 japan a-5699h-1ex-r printed in japan © 2000 icom inc. Ger aut gbr irl fra ned bel lux esp por ita gre swe den fin ger aut gbr irl fra ned bel lux esp por ita gre swe den fin ger aut gbr irl fra ned bel lux esp por ita gre swe den fin ic-910h ...