
Operation with a Fist Microphone |
Pressing and holding MON/1/25 for 2 seconds toggles the output power between 1 and 25 watts. While in the 1 Watt mode, the 1W indicator illuminates on the LCD.
Pressing this key while holding PTT overrides the 1W output setting. See the Frequency tables in Section 6 for the affected channels.
%16/9 Key
Pressing and releasing 16/9 switches the radio between the current channel and the Priority Channel (9 or 16).
Pressing and holding 16/9 for 2 seconds toggles the Priority Channel between 16 and 9.
&D/L / I.C. Key
Pressing and releasing D/L / I.C. switches receiver sensitivity between Distant (full) and Local (desensitized) modes.
While in the Local mode, the DESENS indicator is illuminated.
Holding D/L / I.C. for 2 seconds toggles on and off the Intercom function between the microphone on the base station and an optional remote Full Function Handset. Press PTT to converse with the other station.
'DSC/ PRI Key
Pressing and releasing the DSC/PRI and D/L / I.C. keys simultaneously places the radio in DSC mode, which is used to make Individual Ships Calls, Group Calls, All Ships Calls, and Distress Calls.
DSC mode may be exited at any time by pressing the 16/9 key.
Pressing and holding DSC/PRI for 2 consecutive seconds returns Priority control from an optional Second Station Full Function Handset to the base station. This feature is for immediately taking radio operation control from the second station in case of an emergency.
DIM Key
Pressing this key once starts Dimmer mode, which adjusts the brightness of LCD's backlight.
Each successive press of the DIM key switches the brightness from Off, to Low, to Medium, to High, then back to Off.