Summary of IC-M45A
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Instruction manual im45a vhf marine transceiver.
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Ii foreword thank you for purchasing this icom product. The ic-m45a vhf marine transceiver is designed and built with icom’s su- perior technology and craftsmanship. With proper care this product should provide you with years of trouble-free operation. Important read all instructions carefully and c...
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Iii cautions rwarning! Never connect the transceiver to an ac outlet. This may pose a fire hazard or result in an electric shock. Rwarning high voltage! Never touch the antenna or an internal antenna connector during trans- mission. This may result in an electric shock or a burn. Never connect the t...
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Iv foreword ....................................................................... Ii important ........................................................................ Ii explicit definitions ..................................................... Ii features ...........................................
Page 5: Operating Rules
1 1 operating rules d priorities • read all rules and regulations pertaining to 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...
Page 6: Panel Description
2 2 panel description ■ front panel q channel up/down switches [yup]/[zdn] push to select an operating channel. (p. 6) • push and hold to ‘speed’ scroll up or down through the available channels. W scan switch [scan • tag ] ➥ push to start/stop scanning. (p. 9) • scan type can be selected in set mod...
Page 7: ■ Microphone
3 2 panel description ■ microphone q channel up/down switches [y]/[z] select an operating channel in the selected channel group. • these switches can be used instead of the transceiver’s [up]/[dn] switches. W high/low power switch [hi/lo] the same function as the transceiver’s [h/l] switch—tog- gles...
Page 8: ■ Function Display
4 2 panel description ■ function display q transmit indicator appears while transmitting. (p. 8) w busy indicator appears when receiving a signal or when [squelch] is rotated too far clockwise. (p. 7) e channel indicator shows the operating channel (pgs. 5, 6) r tag channel indicator appears when th...
Page 9: Basic Operation
5 3 basic operation ■ power on ➀ rotate [pwr/vol] clockwise to turn power on. ➁ operate the transceiver as indicated in the following sec- tions. D low voltage indicator when “b” appears and flashes as shown at right, there is a dc power source problem. In this case, check your vessel’s battery and ...
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6 3 basic operation d usa, canadian and international channels there are 57 usa, 57 canadian and 57 international chan- nels. These channel groups may be specified for the operat- ing area. ➀ push [ch/wx] to select a regular channel. • if regular channels (usa, can or int) are already selected, this...
Page 11: ■ Receiving
7 3 basic operation ■ receiving ➀ rotate [pwr/vol] to turn power on. ➁ rotate [squelch] fully counterclockwise. ➂ adjust [pwr/vol] to a suitable listening level. ➃ rotate [squelch] clockwise until the audio noise disap- pears. ➄ select a channel. See pgs. 5–6 for details. • when a signal is received...
Page 12: ■ Transmitting
8 3 basic operation ■ transmitting before transmitting, read the call procedures at right. ➀ select an operating channel. See pgs. 5–6 for details. ➁ push [h/l] to select a transmit output power. • “low” appears when low output power is selected. • high power cannot be selected on some channels. Ref...
Page 13: ■ Scan Function
9 3 basic operation ■ scan function the transceiver has a high speed scan function for standing by on utility signals. The scan speed is 8 channel/sec. (ex- cept when the weather alert function is in use). Two scan types are available: normal scan (scans all tag channels in sequence) and priority sc...
Page 14: ■ Display Backlighting
10 3 basic operation ■ call channel programming pushing [ 16 • 9] for 1 sec. Selects the call channel, channel 9 by default, however you can program your most often-used channels in each channel group for quick recall. ➀ while push and hold [h/l] push [ch/wx] one or more times to select the desired ...
Page 15: Set Mode
11 4 set mode ■ entering set mode set mode is used to customize operation of the transceiver to suit your operating needs. D to enter set mode: ➀ while pushing [16], turn power on. • keep pushing [16] until the initial set mode display appears. • set mode is selected. ➁ to exit set mode, turn power ...
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D scan timer this item sets the scan timer on or off. D weather alert this item sets the weather alert function on or off. (p. 6) 12 4 set mode beep tones on (default) beep tones off normal scan (default) priority scan weather alert off (default) weather alert on scan timer off (default) scan timer ...
Page 17: Connections And Maintenance
13 5 connections and maintenance ■ unpacking ➀ mounting bracket ............................................................ 1 ➁ dc power cable (opc-891) ............................................ 1 ➂ microphone hanger ......................................................... 1 ➃ mounting bracket ...
Page 18: ■ Connections
14 5 connections and maintenance ■ connections q dc power connector connects the supplied dc power cable from this connector to an external 12 v dc power source. W antenna connector connects a marine vhf antenna with a pl-259 connector to the transceiver. ☞ caution: transmitting without an antenna w...
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15 5 connections and maintenance ■ mounting the transceiver the universal mounting bracket supplied with your transceiver allows overhead or dashboard mounting. Please read the fol- lowing instructions carefully. • mount the transceiver securely with the 2 supplied screws (m5 × 20) to a surface whic...
Page 20: ■ Dimensions
16 5 connections and maintenance ■ dimensions 152 mm (6 in) 178 mm (7 in) 67 mm (2 5 ⁄ 8 in) 51 mm (2 in) 28.5 mm (1 1 ⁄ 8 in) 86.5 mm (3 13 ⁄ 32 in) 25 mm (1 in).
Page 21: Troubleshooting
17 6 troubleshooting problem possible cause solution ref. No power comes on. • power cord not connected properly. • blown fuse. • check the power cord connection. • check the polarity of the power connection, then, replace the fuse. P. 14 p. 13 no sound comes from the speaker. • [squelch] is rotated...
Page 22: Vhf Marine Channel List
18 7 vhf marine channel list channel number usa can transmit receive 01 156.050 160.650 01a 156.050 156.050 02 156.100 160.700 02a guard guard 03 156.150 160.750 03a 156.150 156.150 156.200 160.800 04a 156.200 156.200 156.250 160.850 05a 05a 156.250 156.250 06 06 156.300 156.300 156.350 160.950 07a ...
Page 23: Specifications And Options
19 8 specifications and options ■ specifications general • frequency coverage : transmit 156–157.5 mhz receive 156–163 mhz • usable channels : all usa, international and canadian channels plus 10 weather channels • mode : 16k0g3e • power supply requirement : 13.8 v dc ±10% (negative ground) • curren...
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Count on us! 1-1-32 kamiminami, hirano-ku, osaka 547-0003 japan a-5581d-1us-q printed in japan © 1999 icom inc..