Standard Horizon Marine Tranciever Quantum GX35000S Operating Instructions

Page 71 GX3500S
[
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.
Secondary use
Press and hold [
NAV]
 key to access PA/FOG function menu.
[
WX]
 Key
Immediately recalls the previously selected US NOAA weather channel...

GX3500S Page 72
RECEIVED ACK: acknowledgment signal is received.
RECEIVED RLY: relay signal is received from another vessel or coast
station.
8. To cancel the DSC distress alarm signal from the speaker, press any
key.
13.2  INTERCOM OPERATION
13.2.1  Communication
1. Press and hold the [
DW]
 key while in the “RADIO” mode, the mode is
changed to “INTERCOM” mode.
2. If your GX3500S is equipped with two RAM+ Mic, select the companion you
wish to communicate (RADIO, RAM, or ALL) with the [

]
/[
]
 key,...

Page 73 GX3500S
13.3  PA/FOG OPERATION
The RAM+ is capable of controlling the 30W Public address, 4 fog horns, bells
and whistles.
13.3.1  Operating the PA / Hailer
1. Press and hold the [
NAV]
 key then select PA 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...

GX3500S Page 74
13.4  DSC/RADIO SETUP MODE
The RAM+ can access the DSC / RADIO setup menu (refer to section “10
DIGITAL SELECTIVE CALLING” and section “12 RADIO SETUP” for details).
The 
LAMP, CONTRAST, and KEY BEEP menu item accessed from the RAM+
only controls the RAM+’s display and speaker.
DSC/RADIO Setup mode from the RAM+:
1. Press and hold down the [
CALL/SET]
 key until “
RADIO SETUP” menu ap-
pears.
2. Press the [

]
/[
]
 key to select “
RADIO SETUP” or “DSC SETUP” menu.
3. Press the [...

Page 75 GX3500S
14  MAINTENANCE
The inherent quality of the solid-state components used in this transceiver will
provide many years of continuous use. Taking the following precautions will pre-
vent damage to the transceiver.
• Keep the microphone connected or the jack covered at all times to prevent
corrosion of electrical contacts;
• Never key the microphone unless an antenna or suitable dummy load is con-
nected to the transceiver.
• Ensure that the supply voltage to the transceiver does not exceed 16...

GX3500S Page 76
SYMPTOM
Transceiver fails to
power up.
Transceiver blows fuse
when connected to
power supply.
Popping or whining
noise from the speaker
while engine runs.
Sound is not emitted
from the internal or ex-
ternal speaker.
Receiving station re-
port low transmit
power, even with trans-
ceiver set to HI power.
“HI BATTERY” or “LO
BATTERY” message is
appeared when the
power is turned on.
“PA ERROR” or “FOG
ERROR” message is
shown when the PA/
FOG mode is acti-
vated.
Your position is not dis-...

Page 77 GX3500S
15.  CHANNEL ASSIGNMENTS
Tables on the following columns list the VHF Marine Channel assignments for
U.S.A. and International use. Below are listed some data about the charts.
1. VTS. Where indicated, these channels are part of the U.S. Coast Guard’s
Vessel Traffic System.
2. Alpha channel numbers, that is, channel numbers followed by the letter A
(such as Channel 07A) are simplex channels on the U.S.A. or Canadian
channel assignments whose counterparts in the International assignments...

GX3500S Page 78
6. Marine vessels equipped with VHF radios are required to monitor
Channel 16.
VHF MARINE CHANNEL CHARTCH U C I S/D TX RX CHANNEL USE01 X X D 156.050 160.650 Public Correspondence (Marine Operator)
01A X S 156.050 Port Operation and Commercial.
VTS in selected areas02 X X D 156.100 160.700 Public Correspondence (Marine Operator)03 X X D 156.150 160.750 Public Correspondence (Marine Operator)03A X S 156.150 US Government only, Coast Guard
04 X D 156.200 160.800 Public Correspondence...

Page 79 GX3500S
VHF MARINE CHANNEL CHARTCH U C I S/D TX RX CHANNEL USE23 X X D 157.150 161.750 Public Correspondence (Marine Operator)23A X S 157.150 U.S. Government Only24 X X X D 157.200 161.800 Public Correspondence (Marine Operator)25 X X X D 157.250 161.850 Public Correspondence (Marine Operator)26 X X X D 157.300 161.900 Public Correspondence (Marine Operator)27 X X X D 157.350 161.950 Public Correspondence (Marine Operator)28 X X X D 157.400 162.000 Public Correspondence (Marine Operator)60 X X D...

GX3500S Page 80
VHF MARINE CHANNEL CHARTCH U C I S/D TX RX CHANNEL USE75 X S 156.775 Port Operations (Inter-ship only) (1W)76 X S 156.825 Port Operations (Inter-ship only) (1W)77 X X S 156.875 Port Operations (Inter-ship only) (1W)77 X S 156.875 Port Operations (Inter-ship only)
78 X D 156.925 161.525 Public Correspondence (Marine Operator),
Port operation, ship-movement78A X X S 156.925 Non-commercial (Recreational)79 X D 156.975 161.575 Port operation and Ship movement79A X X S 156.975 Commercial80 X D...