Instruction manual im23 vhf marine transceiver.
Ii doc ce versions of the ic-m23 which display the “ce” symbol on the serial number label, comply with the essential requirements of the european radio and telecommunication terminal direc- tive 1999/5/ec. This warning symbol indicates that this equip- ment operates in non-harmonised frequency bands...
Ii in case of emergency recommendation if your vessel requires assistance, contact other vessels and the coast guard by sending a distress call on channel 16. ❍ using channel 16 distress call procedure 1. “mayday mayday mayday.” 2. “this is ……………… ” (name of vessel) 3. Your call sign or other descri...
Foreword thank you for purchasing this icom radio. The ic-m23 vhf marine transceiver is designed and built with icom’s state of the art technology and craftsmanship. With proper care this radio should provide you with years of trouble-free operation. Important read all instructions carefully and com...
Iv rwarning! Never connect the transceiver to an ac outlet. This may pose a fi re hazard or result in an electric shock. Rwarning! Never hold the transceiver so that the antenna is closer than 2.5 cm from exposed parts of the body, especially the face or eyes, while transmitting. The transceiver wil...
V doc ................................................................................................... I in case of emergency ............................................................. Ii recommendation ....................................................................... Ii foreword ..........
D priorities • read all rules and regulations pertaining to call priorities, and keep an up-to-date copy handy. Safety and distress calls take priority over all others. • you must monitor channel 16 when you are not operating on another channel. • false or fraudulent distress calls are prohibited un...
2 supplied accessories and attachments 2 ■ supplied accessories ■ attachments d flexible antenna connect the supplied flexible an- tenna to the antenna connector. Caution: • never carry the transceiver by holding just the antenna. • transmitting without an antenna can damage the transceiver. D hands...
Make sure the rubber seal is properly seated in the groove and there is dust or other material is on it. Bp-266 bp-266 rubber seal groove battery cover battery cover correct position incorrect position bp-266 d battery pack to remove the battery pack: slide the latch and then lift the battery cover ...
4 panel description 3 ■ front, top and side panels q antenna connector (p. 2) connect the supplied antenna here. W dc jack [dc] (p. 23) connect the charger or optional cable here. Note: attach the [dc] jack cap when the charger or op- tional cable is not connected. Otherwise, water will get into the...
T volume/squelch/monitor key [vol/sql moni] ➥ push to enter the volume adjustment mode or the squelch adjustment mode.(p. 10) ➥ hold down for 1 second to activate the monitor func- tion.(p. 13) ➥ while holding down this key, hold down [ ] to turn on the power and enter the set mode.(p. 17) ➥ while i...
6 3 panel description ■ function display q transmit icon (p. 11) appears while transmitting. W busy icon ➥ appears while receiving a signal or when the squelch opens. (p. 11) ➥ blinks while monitoring. (p. 13) e tag channel icon (p. 15) appears when a tag channel is selected. R call channel icon (p....
!1 sub channel readout ➥ displays channel 16 during a priority scan, dualwatch or tri-watch. (p. 16) ➥ displays the set mode item while in the set mode. (p. 17) ➥ displays the volume level while in the volume adjust- ment mode. (p. 10) ➥ displays the squelch level while in the squelch adjust- ment m...
8 basic operation 4 ■ channel selection important: prior to using the transceiver for the first time, the battery pack must be fully charged for optimum life and operation (p. 23). To avoid damage to the trans- ceiver, turn off the power while charging. D channel 16 channel 16 is the distress and sa...
D usa, international, canadian and atis channels the transceiver is pre-programmed with usa* 1 , interna- tional, canadian* 2 and atis* 3 channels. Choose the appro- priate channel groups for your operating area. Q push [ch] to select a regular channel. W hold down [ch] for 1 second, one or more tim...
10 4 basic operation ■ adjusting the volume level the volume level can be adjusted using [vol/sql] and [ y] or [ z]. Q push [vol/sql] once to enter the volume adjustment mode, then push [ y] or [z] to adjust the volume level. • the “vol” icon starts blinking. • the transceiver has 31 volume levels a...
■ receiving and transmitting caution: transmitting without an antenna can damage the transceiver. Q hold down [ ] to turn on the power. W set the volume and squelch levels. You can enter each adjustment mode by pushing [vol/ sql]. ➥ enter the squelch adjustment mode, and then push [ z] one or more t...
12 4 basic operation ■ call channel programming call channel is used to access channel 16 (default; may dif- fer depending on the version). However, you can program the call channel with your most often-used channel in each channel group, for quick recall. Q hold down [ch] for 1 second, one or more ...
■ lock function this function electronically locks all keys (except for [ptt], [vol/ sql], [moni] (vol/sql), [ ] (hi/lo) and [ y] or [z]*) to pre- vent accidental changing of the channel and function access. * only in the volume or squelch adjustment mode, and volume loud and volume mute functions. ...
14 scan operation (except holland version) 5 ■ scan types scanning is an effi cient way to quickly locate signals over a wide frequency range. The transceiver has a priority scan and a normal scan. In addition, the auto scan function is selectable for standby convenience. This function can be simult...
■ setting tag channels for more efficient scanning, add the desired channels as tag channels, or clear the tag on unwanted channels. Channels that are not tagged will be skipped while scan. Tag channels can be independently assigned to each usa, international, canada and atis channel group. Q hold d...
16 dualwatch/tri-watch (except holland version) 6 ■ description dualwatch monitors channel 16 while you are receiving on another channel; tri-watch monitors channel 16 and the call channel while receiving another channel. Dualwatch/tri- watch are convenient for monitoring channel 16 when you are ope...
■ set mode programming the set mode is used to change the settings of transceiver's functions: beep tone function, priority scan function*, scan resume timer*, auto scan function*, dual/tri-watch function*, monitor key action, automatic backlighting, lcd contrast setting and power save function. *no...
18 7 set mode ■ set mode items d beep tone function “bp” turn the key touch beep sound on or off. • off : for silent operation. • on : a beep sounds. D priority scan function “pr” (not available with holland version) the transceiver has 2 scan types— normal (off) and pri- ority (on) scan. A normal s...
D dual/tri-watch function “dt” (not available with holland version) set the watch type to dualwatch or tri-watch. (p. 16) d monitor key action “sq” the monitor key temporarily opens the squelch. This item sets the key action. • pu (push) : the monitor function is activated by holding down [moni] (vo...
20 7 set mode d power save function “ps” the power save function reduces current drain by turning off the receiver circuit for preset intervals. • off : the power save function is turned off. • on : the power save function is turned on. The power save function will be activated when no signal is rec...
21 8 battery charging 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ battery caution r danger! Use and charge only specifi ed icom battery pack with icom radios or icom chargers. Only icom battery packs are tested and approved for use and charge with icom radios or icom chargers. Using third-party or coun...
22 8 battery charging ■ battery caution (continued) caution: shorter battery life could occur if the battery is left fully charged, completely discharged, or in an excessive temperature en- vironment (above +50˚c) for an extended period of time. If the bat- tery must be left unused for a long time, ...
23 8 battery charging 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ supplied battery charger d charging do not use a charger other than the specifi ed one. Q turn off the transceiver's power. W connect the charger as shown below. • “ ” appears, and the battery icon scrolls while charging. E the charging ...
24 8 battery charging d ad-123 installation (continued) w install the ad-123 into the holder space of the bc-119n or bc-121n with the supplied screws as shown. D charging • for bc-119n the optional bc-119n provides rapid charging of the li-ion battery pack. (charging time: approximately 2.5 hours) t...
25 8 battery charging 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ad-123 charger adapters are installed in each slot. Ac adapter (purchased separately) dc power cable (opc-656) (connect to a dc power supply; 13.8 v/at least 7 a) x x see the instruction manual for details of the charger, led indication, o...
26 troubleshooting 9 problem possible cause solution ref. The transceiver does not turn on. • the battery is exhausted. • the battery pack is not correctly in- serted. • recharge the battery pack. • correctly insert the battery pack. P. 23 p. 3 no sound from speaker. • the squelch level is too high....
27 10 vhf marine channel list 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 * 1 low power only. * 3 for u.K. And china versions. * 2 uk marina channels: m1=37a (tx/rx: 157.850 mhz), m2=p4 (tx/rx: 161.425 mhz) for u.K. Version only. Note: simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 cannot be lawfully...
28 specifications and options 11 ■ specifi cations d general • frequency coverage : transmitting 156.000–161.450 mhz receiving 156.000–163.425 mhz • mode : fm (16k0g3e) • antenna impedance : 50 Ω (nominal) • power supply requirement : bp-266 only • current drain (approximately) : tx (5 w/1.0 w/0.5 w...
29 ■ options d battery pack • bp-266 l i - ion battery pack voltage/capacity : 3.7 v/1500 mah (minimum), 1590 mah (typical) d chargers • bc-199s ac adapter for regular charging of the battery pack. Charging time : approximately 8.5 hours • bc-119n desktop charger + ad-123 charger adapter + bc-145s a...
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