61FT-817ND Operating ManualMenu Item 09 [ARTS BEEP]Function: Select the ARTS beep mode.Available Values: OFF/RANGE/ALLDefault: RANGEOFF: No alert beeps sound; you must look at the display to determine current ARTSstatus.RANGE: A high tone beep will sound when the transceiver first detects that you are withinrange, and a low beep will sound when the other station goes out of range.ALL: A high tone beep will sound every time a polling transmission is received from theother station, and a low beep will sound once when the other station goes out ofrange.Menu Item 10 [BACKLIGHT]Function: Select the LCD lamp mode.Available Values: OFF/ON/AUTODefault: AUTOOFF: Disables the LCD lamp.ON: Illuminates the LCD lamp continuously.AUTO: Illuminates the LCD lamp for five seconds when any key is pressed.Menu Item 11 [BATT-CHG]Function: Select the battery charging time.Available Values: 6/8/10 h (hours)Default: 8 hMenu Item 12 [BEEP FREQ]Function: Select the beep frequencyAvailable Values: 440/880 HzDefault: 880 HzMenu Item 13 [BEEP VOL]Function: Select the beep volumeAvailable Values: 0 ~ 100Default: 50Menu Item 14 [CAT RATE]Function: Set the transceiver’s circuitry for the CAT baud rate to be used.Available Values: 4800/9600/38400 bpsDefault: 4800 bpsMENU O PERATION