offered by Busse-Yachtshop.com Receiving and transmittingCAUTION: Transmitting without an antenna may dam-age the transceiver.q Push [POWER] to turn power ON.w Set the audio and squelch levels.➥ Rotate [SQL] fully counterclockwise in advance.➥ Rotate [VOL] to adjust the audio output level.➥ Rotate [SQL] clockwise until the noise disappears.e To change the channel group, push [DIAL] while pushing[H/L]. (p. 9)r Rotate [CHANNEL] or push [Y]/[Z] on the microphone toselect the desired channel.• When receiving a signal, “BUSY” appears and audio is emittedfrom the speaker.• Further adjustment of [VOL] may be necessary at this point.t Push [H/L] to select the output power if necessary.• “25W” or “1W” appears when high or low power is selected, re-spectively.• Choose low power to reduce an intermodulation for other sta-tions, choose high power for longer distance communications.• Some channels are for low power only.y Push and hold [PTT] to transmit, then speak into the mi-crophone.• “TX” appears.• Channel 70 cannot be used for transmission.u Release [PTT] to receive.IMPORTANT: To maximize the readability of your trans-mitted signal, pause a few sec. after pushing [PTT], holdthe microphone 2.5 to 5 cm from your mouth and speak ata normal voice level.VOLiM601VHF MARINEMICCSQL16/Cweq rrt y u3 BASIC OPERATION10

explicit definitions

in case of emergency

operating rules

panel description

i function display

basic operation

i receiving and transmitting

i call channel programming

i description

scan operations

scan operation

dsc operation

position indication

i distress call

i transmitting dsc calls

i setting the distress information

i dsc individual id

i receiving dsc calls

dsc set mode

i received messages

other functions

automatic foghorn

i microphone lock function

i intercom operation

set mode

i set mode items

connections and maintenance

i connections

i mounting the transceiver

i dimensions

troubleshooting

channel list

specifications and options

i lock functions

i starting a scan

i setting tag channels

i set mode programming

installation notes

hm-134 template

Icom IC-M601 Instruction Manual

IC-M601

vhf marine channel list

hm-134 (optional unit)

circuit description

transmitter circuits

pll circuits

logic circuits

pll adjustments

receiver adjustments

logic board

main unit

front unit