Standard Horizon MATRIX GX3000S - Manual (Page 70)

GX3000S Page 70
[DW] Key
Watches for a transmission on CH16 and another selected channel until
either signal is received. (Dual watch)
Secondary use
Press and hold [DW] key, intercom operation will operate between radio
and RAM+ Mic.
[NAV] Key
Press this key, when connected to the GPS receiver, the LCD displays
Position Data and Time from the GPS.
[WX] Key
Immediately recalls the previously selected US NOAA weather channel from
any channel location.
Secondary use
Holding down the [16/9] key while pressing the [WX] key switch the Chan-
nel Group.
NOTE: If position is displayed, this icon will be hidden.
[DISTRESS] KEY
Used to send a DSC Distress Call. To send the distress call refer to section
“11.3.1. Transmitting a DSC Distress Call.”
13.2 PA/FOG OPERATION
The RAM+ is capable of controlling the 30W Public address, 4 fog horns, bells
and whistles.
13.2.1 Operating the PA / Hailer
1. Press and hold the [NAV] key then select “ PUBLIC ADRESS ”
with the [ ] or [ ] key.
2. Press the [CALL/SET] key.
3. Press the PTT switch and speak into the microphone.
4. To turn up the PA Volume, press the PTT switch and press
the [ ] or [ ] keys to adjust the Audio output level. The
level can be set from 0 to 30W.
5. To adjust the listen back volume, (while in listenback mode)
press the [VOL] Key, then press the [ ] or [ ] key to the
desired listen back volume.
To exit from the PA / Hailer mode, press and hold down the
[NAV] key again.