Icom IC-M604A Instruction Manual

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Contents

488 SET MODED Weather AlertA NOAA broadcast station transmits a weather alert tonebefore important weather information. When “10” is se-lected, the previously selected (used) weather channel ischecked any time during standby, or while scanning. When“10 YKVJ 9: 5%#0” is selected, the weather channelsare sequentially checked during standby, or while scanning.The “9:#.'46” indicator blinks until the transceiver is op-erated after the transceiver detects the alert.• “9:#.'46” appears instead of “9:” when the function is turned ON.(Default: OFF),>,> 8+,8+, 5,:>5,:> B0>/B0>/ ****D 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),>,> 8+,8+,,,9,,9****D Internal speakerWhen an external speaker is connected, and the transceiver’sinternal speaker is not required, the internal speaker and thespeaker in the microphone can be deactivated.D LCD contrastThis item adjusts the contrast of the LCD in 8 steps.D Attenuation levelThis item sets the receive attenuation level for the Attenuatorfunction from 3 levels.D Automatic foghorn frequencyThe audio frequency of the automatic foghorn can be ad-justed to suit your preference. While this item is selected,holding down [PTT] sounds the foghorn— experiment withthe selectable frequencies until you fi nd one you like.• The selectable frequency range is 200 Hz to 850Hz, in 50 Hz steps.(Default: 5),>,> 8+,8+,87>:';>87>:';>G G C0>C0> E 2H2H(Default: Min),>,> 8+,8+,** >>,7?'>8:>>,7?'>8:'C'C0+0+0707(Default: 400),>,> 8+,8+,*8./8:7*8./8:7 *:,&?,7)D*:,&?,7)DG G C0>C0> E 2H2H(Default: ON),>,> 8+,8+,7>,:7'57>,:7'5 9,'4,:9,'4,:****