Standard Horizon Marine Tranciever Quantum GX35000S Operating Instructions

Page 31 GX3500S
10.13.1  Operating the PA HAIL mode
1. Press  the [
F]
 key followed by the [
8(
PA)]
 key to acti-
vate the PA HAIL mode.
2. Press the PTT switch to speak through the HAIL/PA
speaker.
Rotate the CHANNEL selector knob to control the
AF output level. The AF output level can be set from
0 to 30 watts.
3. To exit the PA HAIL mode and return to radio opera-
tion mode, press the [
F]
 key followed by the [
8(
PA)]
 key again.
10.13.2  Operating the FOG HORN mode
Operator can select from...

GX3500S Page 32
10.15  LCD DIMMER
Allows setting up the backlight intensity or to turn it off.
1. Press the [
F]
 key followed by the [
1(
DIM)]
 key to en-
abling the setting up the backlight intensity.
2. Turn the CHANNEL selector knob to select the de-
sired backlight intensity.  You will be able to see the
effects of your changes.
3. When you have completed the adjustment, press the [
F]
 key followed by
the [
1(
DIM)]
 key again, return to radio operation mode.
10.16  INTERCOM OPERATION
If the RAM+...

Page 33 GX3500S
10.16.1  Communication
1. Press the [
F]
 key followed by the [
5(
IC)]
 key, the mode
is changed to “INTERCOM” mode.
2. If your GX3500S is equipped two RAM+ Mic’s, se-
lect the companion you wish to communicate (RAM1,
RAM2, or ALL) with the CHANNEL selector knob, then press the [
ENT]
 key.
3. When the “INTERCOM” operation is
activated, “
Intercom” is displayed on
the GX3500S, and “IC” is displayed on
the RAM+ Mic.
4. Press the PTT switch. “
Talk” will be
shown on the display.
NOTE: A...

GX3500S Page 34
10.17  VOICE SCRAMBLER
If privacy of communications is desired, a CVS2500 voice scrambler (VS) can
be installed in the transceiver. Contact your Dealer to have a CVS2500 installed.
1. Press the [
F]
 key followed by the [
7(
SCRM)]
 key, the
voice scrambler is activated. “VS” will appear on the
LCD.
2. Press the [
F]
 key then press and hold the [
7(
SCRM)]
key for 1 second, the “
SCRM Code” will appear.
3. Turn the CHANNEL selector knob to change the
scrambler code. The scrambler code...

Page 35 GX3500S
MEMO 

GX3500S Page 36
11  DIGITAL SELECTIVE CALLING
11.1  GENERAL
WARNING
This radio is designed to generate a digital maritime distress and safety
call to facilitate search and rescue. To be effective as a safety device,
this equipment must be used only within communication range of a shore-
based VHF marine channel 70 distress and safety watch system. The
range of signal may vary but under normal conditions should be approxi-
mately 20 nautical miles.
NOTE
A DSC Warning sticker is included
with the GX3500S....

Page 37 GX3500S
11.2  MARITIME MOBILE SERVICE IDENTITY (MMSI)
11.2.1  What is an MMSI?
An MMSI is a nine digit number used on Marine Transceivers capable of using
Digital Selective Calling (DSC). This number is used like a telephone number to
selectively call other vessels.
THIS NUMBER MUST BE PROGRAMMED INTO THE RADIO TO OPERATE
THE GX3500S DSC FUCTIONS.
How can I obtain an MMSI assignment?
Boat US offers online registration of a MMSI. Visit www.boatus.com/mmsi
11.2.2 Programming the MMSI
WARNING
User...

GX3500S Page 38
11.3  DSC DISTRESS CALL
The GX3500S is capable of transmitting and receiving DSC Distress messages
to all DSC radios. The GX3500S may be connected to a GPS to also transmit
the Latitude, Longitude of the vessel.
11.3.1 Transmitting a DSC Distress Call
NOTE
To be able to transmit a DSC distress call an MMSI number must be
programmed, refer to section “11.2.2 Programming the MMSI.”
In order for your ships location to be transmitted a GPS must be connected to
the GX3500S, refer to section...

Page 39 GX3500S
Transmitting a DSC Distress Call with Nature of Distress
The GX3500S is capable of transmitting a DSC Distress Call with the following
“Nature of Distress” categories:
Undesignated, Fire, Flooding, Collision, Grounding, Capsizing, Sinking,
Adrift, Abandoning, Piracy, MOB
1. Lift the red spring loaded DISTRESS cover and press the [DISTRESS] key.
The “DISTRESS” menu will appear on the LCD.
2. Turn the CHANNEL selector knob to select the de-
sired nature of distress category.
3. Press and...

GX3500S Page 40
11.3.2  Receiving a DSC Distress Call
1. When a DSC Distress call is received, an emergency
alarm sounds.
Then channel 16 is automatically selected.
2. Press any key to stop the alarm.
3. Turn the CHANNEL selector knob to change the dis-
play to show the position of the vessel in distress.
4 If the position of the vessel distress data does not
include position, the LCD will show the display on the
left.
NOTE
You must continue monitoring channel 16 as a coast station may require
assistance...