27GM FunctionGM Alert BeepTo alert you to the current status of GM operation, the GM (Group Monitor) feature allowstwo kinds of alert beeps (with the additional option of turning them off). Depending on yourlocation and the potential annoyance associated with frequent beeps, you may choosethe Beep mode which best suits your needs.1. Press and hold the [MHz(SETUP)] key, then rotatethe DIAL knob to select “GM RINGR 21”.2. Press the [MHz(SETUP)] key, and then rotate theDIAL knob to select one of the following parame-ters.IN RANGE: Beeps sound only when the radio firstdetects that a station is within range.ALWAYS: Beeps sound every time a pollingtransmission is received from anotherstation.OFF: No alert beeps sound.Default: IN RANGE3. Press and hold the [MHz(SETUP)] key to save thenew setting and exit to normal operation.GM Polling IntervalThe GM (Group Monitor) feature may be programmed to poll normal time (default value)or long time. To change the polling interval:1. Press and hold the [MHz(SETUP)] key, then rotatethe DIAL knob to select “GM INTVL 22”.2. Press the [MHz(SETUP)] key, then rotate theDIAL knob to select the desired polling interval(NORMAL or LONG).Default: NORMAL3. Press and hold the [MHz(SETUP)] key to save thenew setting and exit to normal operation.