Icom IC-M603 Instruction Manual

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Contents

448 SET MODED Beep toneYou can select silent operation by turning beep tones OFF,or you can have confirmation beeps sound at the push of akey by turning beep tones ON.(Default: ON)--Set Mode--Beep˘ONOFFD Internal speakerWhen an external speaker is connected and the trans-ceiver’s internal speaker is not required, the speaker of thetransceiver and the connected microphone can be deacti-vated.(Default: ON)--Set Mode--Internal Speaker˘ONOFFD LCD contrastThis item adjusts the contrast of the LCD in 8 steps.(Default: 5)--Set Mode--Contrast˘5 ≤432 ≥˘Exit / ENT˘OK>D Automatic foghorn frequencyThe audio frequency of the automatic foghorn can be ad-justed to suit your preference. While this item is selected,pushing [PTT] outputs the foghorn— experiment with thefrequencies available until you find one you like.• Available frequency range is 200 Hz to 850Hz in 50 Hz step.(Default: 400)--Set Mode--Foghorn Frequency˘400 ≤350300250 ≥˘Exit / ENT˘OK>D Radio power(Appears when a COMMANDMICIII™ is connected)This item sets the Radio power function ON or OFF.ON : The transceiver’s power is controlled by the optionalcommand microphone. When the command micro-phone is turned OFF, the transceiver will also beturned OFF automatically.OFF : The transceiver’s power is not controlled by the optionalcommand microphone. Even if the command microphoneis turned OFF, the transceiver will continue to work.(Default: ON)--Set Mode--Radio Power˘ONOFF