Icom IC-M604A Instruction Manual

Also see for IC-M604A: Instruction manual Instruction manual

Contents

488 SET MODED Weather AlertA NOAA broadcast station transmits a weather alert tonebefore important weather information. When “ON” is selected,the previously selected (used) weather channel is checkedany time during standby, or while scanning. When “ONwith WX SCAN” is selected, the weather channels aresequentially checked during standby, or while scanning.The “WX ALERT” indicator blinks until the transceiver isoperated after the transceiver detects the alert.• “WX ALERT” is displayed instead of “WX” when the function is turned ON.(Default: OFF) 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) 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 beadjusted to suit your preference. While this item is selected,holding down [PTT] sounds the foghorn— experiment withthe selectable frequencies until you find one you like.• The selectable frequency range is 200 Hz to 850 Hz, in 50 Hz steps.(Default: 5) (Default: Min) (Default: 400) (Default: ON)