Oversized alphanumeric LCD, knobs and keys
30 W Loud Hailer with listen back and 4 fog horns, Bells & Whistles
Direct keypad entry of a channel using the keypad
Removable ClearVoice speaker microphone with 16/9 key and channel
selection
Display shows channel names, and repeats GPS information
Capable of connecting 2 optional enhanced RAM+ second station re-
mote microphones
DSC distress call automatically broadcasts lat/long and vessel ID
DSC position request function and NMEA data input/output to connect to
GPS Plotter
8
Versatile user-programmable Scanning, Priority Scan and Dual Watch
One-button access to Channel 16 and 9
8 with GPS attached
8
8
Page 1GX3500S
TABLE OF CONTENTS
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
1 GENERAL INFORMATION ...................................................................................... 4
2 PACKING LIST ........................................................................................................ 4
The Vertex Standard GX3500S is a VHF/FM transceiver designed for use in
the frequency range of 156.025 to 163.275 MHz. The GX3500S can be operated from 11 to 16 VDC and has a switchable RF output power of 1 watt or 25
watts.
The GX3500S is capable of DSC (Digital Selective Calling) Class D operation
and an Enhanced second station RAM+ mic (CMP25 remote-control speaker/
microphone with display). Class D operation allows continous receiving of Digital Selective Calling functions on channel 70 even if the radio is receiving a call.
Other features of the GX3500S include: Direct keypad entry of a channel using
the keypad, 30W PA/Fog, multi-station intercom, scanning, priority scanning,
submersible speaker mic, high and low voltage warning, and GPS repeatability.
2 PACKING LIST
When the package containing the transceiver is first opened, please check it
for the following contents:
240SW ........................................................... 5 x 8 Rectangular Hail/PA Horn
GX3500SPage 4
4 SAFETY / WARNING INFORMATION
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
This radio is restricted to occupational use, work related operations only where
the radio operator must have the knowledge to control the exposure conditions
of its passengers and bystanders by maintaining the minimum separation distance of 0.6 m (2 feet).
Failure to observe these restrictions will result in exceeding the FCC RF exposure limits.
Antenna Installation:
The antenna must be located at least 0.6 m (2 feet) away from passengers in
order to comply with the FCC RF exposure requirements.
ON-LINE WARRANTY REGISTRATION
Please visit www.standardhorizon.com to register the GX3500S Marine
VHF. It should be noted that visiting the Web site from time to time may
be beneficial to you, as new products are released they will appear on
the Marine Division of Vertex Standard Web site.
PRODUCT SUPPORT INQUIRIES
If you have any questions or comments regarding the use of the GX3500S,
you can visit the Marine Division of Vertex Standard Web site to send an
E-Mail or contact the Product Support team at 800-767-2450 M-F 7:005:00PST.
Page 5GX3500S
5 FCC RADIO LICENSE INFORMATION
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
K6630063X30
511B-30063X30
Vertex Standard radios comply with the Federal Communication Commission
(FCC) requirements that regulate the Maritime Radio Service.
STATION LICENSE
An FCC ship station license is no longer required for any vessel traveling in
U.S. waters (except Hawaii) which is under 20 meters in length. However, any
vessel required to carry a marine radio on an international voyage, carrying a
HF single side band radiotelephone or marine satellite terminal is required to
have a ship station license. FCC license forms, including applications for ship
(506) and land station licenses can be downloaded via the Internet at
www.fcc.gov/forms. To obtain a form from the FCC, call (888) 225-5322.
RADIO CALL SIGN
Currently the FCC does not require recreational boaters to have a Ship Radio
Station License. The USCG recommends the boats registration number and
the state to be used.
CANADIAN SHIP STATION LICENSING
You may need a license when traveling in Canada. If you do need a license
contact their nearest field office or regional office or write:
Industry Canada
Radio Regulatory Branch
Attn: DOSP
300 Slater Street
Ottawa, Ontario
Canada, KIA 0C8
FCC / INDUSTRY CANADA INFORMATION
The following data pertaining to the transceiver is necessary to fill out the license application.
Type Acceptance ......................................................................... FCC Part 80
Output Power ............................................... 1 Watt (low) and 25 Watts (high)
Frequency Range ..................................................... 156.025 to 163.275 MHz
FCC Type Number....................................................................
Industry Canada Type Approval.................................................
GX3500SPage 6
6 FCC NOTICE
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
NOTICE
Unauthorized changes or modifications to this equipment may void compliance with FCC Rules. Any change or modification must be approved
in writing by Marine Division of Vertex Standard.
NOTICE
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Page 7GX3500S
7 GETTING STARTED
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
7.1 ABOUT VHF RADIO
The radio frequencies used in the VHF marine band lie between 156 and 158
MHz with some shore stations available between 161 and 163 MHz. The marine VHF band provides communications over distances that are essentially
“line of sight” (VHF signals do not travel well through objects such as buildings,
hills or trees). Actual transmission range depends much more on antenna type,
gain and height than on the power output of the transmitter. On a fixed mount
25W radio transmission expected distances can be greater than 15 miles.
7.2 SELECTING AN ANTENNA
Marine antennas are made to radiate signals equally in all horizontal directions,
but not straight up. The objective of a marine antenna is to enhance the signal
toward the horizon. The degree to which this is accomplished is called the
antenna’s gain. It is measured in decibels (dB) and is one of the major factors
in choosing an antenna. In terms of effective radiated power (ERP), antennas
are rated on the basis of how much gain they have over a theoretical antenna
with zero gain. A 3 foot, 3dB gain antenna represents twice as much gain over
the imaginary antenna.
Typically a 3 foot 3dB gain stainless steel whip is used on a sailboat mast. The
longer 8 foot 6dB fiberglass whip is primarily used on power boats that require
the additional gain.
GX3500SPage 8
7.3 COAXIAL CABLE
FCC ID: K6630063X30 / IC ID: 511B-30063X30
Vertex Standard Co., Ltd.
VHF antennas are connected to the transceiver by means of a coaxial cable –
a shielded transmission line. Coaxial cable is specified by it’s diameter and
construction.
For runs less than 20 feet, RG-58/U, about 1/4 inch in diameter is a good choice.
For runs over 20 feet but less than 50 feet, the larger RG-8X or RG-213/U
should be used for cable runs over 50 feet RG-8X should be used. For installation of the connector onto the coaxial cable refer to the figure below.
1/16''
3/4''
1 1/8''
Adapter
3/4''
1/8''
5/8''3/8''
To get your coax cable through a fitting and into your boat’s interior, you
may have to cut off the end plug and reattach it later. You can do this if
you follow the directions that come with the connector. Be sure to make
good soldered connections.
Page 9GX3500S
8 INSTALLATION
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
8.1 LOCATION
The radio can be mounted at any angle. Choose a mounting location that:
• is far enough from any compass to avoid any deviation in compass reading due to the speaker magnet
• provides accessibility to the front panel controls
• allows connection to a power source and an antenna
• has nearby space for installation of a microphone hanger
• the antenna must be mounted at least 3 feet from radio
Note: To insure the radio does not affect the compass or radios performance is
not affected by the antenna location, temporarily connect the radio in the desired location and:
a. Examine the compass to see if the radio causes any deviation
b. Connect the antenna and key the radio. Check to ensure the radio is
operating correctly by requesting a radio check.
8.2 ELECTRICAL CONNECTIONS
CAUTION
Reverse polarity connections will damage the radio!
Connect the power cord and antenna to the radio. Antenna and Power Supply
connections are as follows (see Figure 1):
Antenna
Red
Power Source
Water proof
Deck Outlet
Black
Optional Speaker
Fuse
Optional HAIL/PA Horn
Accessory Cable
GPS Navigation Receiver
Figure 1. General Installation
1. Mount the antenna at least 3 feet away from the radio. At the rear of the
radio, connect the antenna cable. It must have a PL259 connector. RG-8/U
coaxial cable must be used if the antenna is 25 feet or more from the radio.
RG58 cable can be used for distances less than 25 feet.
GX3500SPage 10
2. Connect the red power wire to a 13.8 VDC ±20% power source. Connect
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
the black power wire to a negative ground.
3. If an optional remote extension speaker is to be used, refer to next section
for connections.
4. It is advisable to have a Certified Marine Technician check the power output
and the standing wave ratio of the antenna after installation.
8.3 ACCESSORY CABLE
White: External speaker (+)
Shield: External speaker (–)
Red: PA speaker (+)
Shield: PA speaker (–)
Blue: NMEA IN (+) from GPS navigation receiver
Green: NMEA IN (–) from GPS navigation receiver
Gray: NMEA OUT (+) to GPS navigation receiver
Brown: NMEA OUT (–) to GPS navigation receiver
When connecting the external speaker or GPS navigation receiver, strip off
about 1 inch (2.5 cm) of the specified wire’s insulation, then splice the ends
together using proper waterproofing techniques.
PA Speaker
-/*
DISTRESS
PULL OPEN
Wire Color/Description
WHITE - External Speaker (+
SHIELD - External Speaker
RED - PA Speaker (+
SHIELD - PA Speaker
BLUE- NMEA Input (+)
GREEN - NMEA Input
GRAY- NMEA Output (+)
BROWN-NMEA Output
Shield
JKL
Red
BlueNMEA OUT
Green
NMEA OUT
NMEA IN
Gray
NMEA IN
Brown
Shield
Whi te
( )
( )
( )
( )
GPS Receiver
External Speaker
Connection Examples
)
Connect to external 4 Ohm audio speaker
(–)
Connect to external 4 Ohm audio speaker
)
(–)
(–)
Connect to external 4 Ohm PA speaker
Connect to external 4 Ohm PA speaker
Connect to NMEA
Connect to NMEA
(+)
output of GPS
(–)
output of GPS
Connect to NMEA (+) input of GPS
(–)
Connect to NMEA
(–)
input of GPS
Page 11GX3500S
8.4 CONNECTION OF GPS WITH NMEA OUTPUT
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
Manufacturer/Model
STANDARD HORIZON
Furuno GP30, 36
Furuno GP1650, 1850
Garmin Fixed Mounts
Garmin Portables
JRC GPS500
JRC 100 SERIES
JRC 200 SERIES
Lowrance Fixed Mount
Wires
Green
Blue
Brown
White
Blue
White
Black
Blue
Black (GND)
Brown
Black (GND)
Yellow
Green
Green
Black
White
Black
White
Black (GND)
GX3500S
Green
Gray
Blue
Blue
Green
Blue
Green
Blue
Green
Blue
Green
Blue
Green
Blue
Green
Blue
Green
Blue
Green
Manufacturer/Model
Lowrance Portable
Magellan Fixed Mount
Magellan Portable
Northstar
Raytheon 420
Raytheon 520 / 620
Raytheon RL SERIES
Simrad
Sitex Neptune, Nautilus
•The GPS must have the NMEA Output turned on and set to 4800 Baud in
the setup menu. If there is a selection for parity select none.
•For further information on interfacing /setting up your GPS. Please contact
the manufacturer of the GPS receiver.
•GX3500S can read NMEA-0183 version 2.0 or higher.
•The NMEA supported sentences are:
Input: GLL, GGA, RMC and GNS (RMC sentence is recommended)
Output: DSC and DSE
(DSC sentences to Standard Horizon Plotter for Position Polling)
Wires
Orange
Black (GND)
Gray
Black (GND)
Orange
Black (GND)
Yellow
Black (GND)
Yellow
Brown
Blue
Brown
White
Brown
White
Brown
Gray
Brown
GX3500S
Blue
Green
Blue
Green
Blue
Green
Blue
Green
Blue
Green
Blue
Green
Blue
Green
Blue
Green
Blue
Green
If you have further inquires, please feel free to contact Product Support at:
After connections have been made between the GX3500S and the GPS, a
small satellite icon will appear on the top right corner of
the LCD display. To see additional GPS information, press
the [F] key momentarily, then press the [6(NAV)] key.
The GX3500S shows the Date, Time, SOG and COG.
GX3500SPage 12
8.6 CHANGING THE GPS TIME
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
From the Factory the GX3500S shows GPS satellite time or UTC time. A time
offset is needed to show the local time in your area.
1. Press and hold down the [CALL(MENU)] key until
“Radio Setup” menu appears.
2. Press the [ENT] key, then select “Time Set” with the
CHANNEL selector knob.
3. Press the [ENT] key.
4. Turn the CHANNEL selector knob to select time offset from UTC. See illustration below to find your offset time from UTC. If “0:00” is assigned, the time is
the same as UTC (Universal Time Coordinated or
GMT Greenwich Mean Time).
5. Press the [ENT] key to store the time offset.
6. Press the [16/9] key or turn the CHANNEL selector knob to select “Exit,”
then press the [ENT] key to return to the “Radio Setup” menu, select “Exit”
and press the [ENT] key to return to radio operation.
OFFSET TIME TABLE
Page 13GX3500S
8.7 CHANGING THE TIME LOCATION
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
You may select the time display between local time and UTC (time GPS sends
to radio). Time is displayed when GPS position (LAT/LON) is displayed by pressing the [F] key followed by the [6(NAV)] key.
1. Press and hold down the [CALL(MENU)] key until
“Radio Setup” menu appears.
2. Press the [ENT] key, then select “Time Disp” in the
“Radio Setup” menu with the CHANNEL selector
knob.
3. Press the [ENT] key.
4. Turn the CHANNEL selector knob to select “UTC” or
“Local.”
5. Press the [ENT] key to store the selected setting.
6. To exit this menu and return to radio operation mode
press the [16/9] key.
In the local time mode, the display shows the time by the 12-hour system.
Meanwhile, the display shows the time by the 24-hour system in the UTC mode.
(
“UTC” mode
)(
“LOCAL” mode
)
GX3500SPage 14
8.8 CHANGING COG TO TRUE OR MAGNETIC
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
Allows customizing the NAV data showing GPS Course Over Ground (COG).
Factory default is True however following the steps below the COG can be
changed to Magnetic.
1. Press and hold down the [CALL(MENU)] key until
“Radio Setup” menu appears.
2. Press the [ENT] key, then select “Magnetic” with the
CHANNEL selector knob.
3. Press the [ENT] key.
4. Turn the CHANNEL selector knob to select “On” (representing “Magnetic”) or “Off” (representing “True”).
5. Press the [ENT] key to store the selected setting.
6. Turn the CHANNEL selector knob to select “Exit,”
then press the [ENT] key to return to the “Radio
” menu, select “Exit” and press the [ENT] key
Setup
to return to radio operation.
Page 15GX3500S
8.9 OPTIONAL MMB-84 FLUSH MOUNT INSTALLATION
A
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
1. To assist in flush mounting, a template has been included. Use this template to find the mounting location.
2. Use the template to mark the location where the rectangular hole is to be
cut. Confirm the space behind the dash or panel is deep enough to accommodate the transceiver (at least 6 inches or 15 cm deep).
There should be at least 1/2 inch (1.3 cm) between the transceiver’s heatsink
and any wiring, cables or structures.
3. Cut out the rectangular hole and insert the transceiver.
4. Fasten the brackets to the sides of the transceiver with the lock washer nut
combination; so that the mounting screw base faces the mounting surface
(see Figure 2).
5. Turn the adjusting screw to adjust the tension so that the transceiver is tight
against the mounting surface.
Bracket
Lock-washer nut combination
Figure 2. MMB-84 Flush Mount Installation
djusting Screw
GX3500SPage 16
8.10
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
OPTIONAL ENHANCED RAM+ SECOND STATION MIC INSTALLATION
The GX3500S is capable of using up to 2 Enhanced RAM+ mics to remotely
control the Radio, DSC and PA/Fog functions. In addition the GX3500S can
operate as a full function intercom system. With 2 RAM+ mics connected the
GX3500S or RAM+ mics can selective call each station individually or all at one
time.
1. Connect the RAM+ MIC Cable to the RAM MIC CONNECTOR on the rear
panel, then tighten the Cable Nut (See Figure 3).
2. Referring to Figure 3, make a 1.2” (30 mm) hole in the wall, then insert the
RAM+ MIC Cable into this hole. Connect the Gasket and Mount Base to the
RAM+ MIC Cable Connector using the Nut.
3. Drill the four Screw holes (approx. 2 mm) on the wall, then install the Mounting
Base to the wall using four screws.
4. Put the Rubber Cap on to the Nut. The installation is now complete.
5. Wires for a external speaker are provided on the RAM+ mic cable. Connect
any 8 Ohm external speaker. When connected the RAM+ controls the volume level of this speaker.
RAM+ or External Speaker Selection
By default the RAM+ internal speaker is turned on, however using the RAM+
mic this speaker can be turned off so the external speaker can be used.
1. Press and hold the [CALL/SET] key on the RAM+ Mic.
2. Using the [] or [] keys to select “RAM
” and press the [CALL/SET] key.
SPK
3. Press the [] or [] key to turn the RAM+
Speaker “oF.”
4. Press the [16/9] key to exit this mode.
Figure 3. Enhanced RAM+ MIC Installation
EXP SP Cable for the RAM+ MIC
Wall
RAM MIC Cable
Gasket
Mounting Bracket
Cap
Nut
Page 17GX3500S
9 CONTROLS AND INDICATORS
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
NOTE
This section defines each control of the transceiver. See Figure 4 for
location of controls. For detailed operating instructions refer to section
“10 BASIC OPERATION.”
VOLUME CONTROL (VOL
)
Adjusting this control clockwise, increases the audio volume level.
SQUELCH CONTROL (SQL
)
Adjusting this control clockwise, sets the point at which random noise on
the channel does not activate the audio circuits but a received signal does.
This point is called the squelch threshold. Further adjustment of the squelch
control will degrade reception of wanted transmissions.
MICROPHONE CONNECTOR
Connect the supplied MH-63A6 Hand Microphone to this jack.
KEY BUTTON
[
16/9] Key
Immediately recalls channel 16 from any channel location. Holding down
this key recalls channel 9. Pressing the [16/9] key again reverts to the
previous selected working channel.
Secondary use
Press and hold the [16/9] key then press the [WX] key to switch the
Channel Group.
[WX]
Key
Immediately recalls the previously selected NOAA weather channel from
any channel.
Secondary use
Holding down the [16/9] key while pressing the [WX] key changes the
Channel Group.
[
H/L] Key
Toggles between 25 W (High) and 1 W (Low) power. When the [H/L] key
is pressed while the transceiver is on channel 13 or 67, the power will
temporarily switch from LO to HI power until the PTT is released.
The [H/L] key does not function on transmit inhibited and low power only
channels.
GX3500SPage 18
DISTRESS
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
PULL OPEN
-/*
JKL
Figure 4. Controls and Connectors
Page 19GX3500S
[
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
PWR] Key
Turns the transceiver on and off. To turn the transceiver on, press and
hold this key until the LCD turns on. To turn it off, press and hold this key
until the LCD turns off. When the power is turned on, the transceiver is
set to the last selected channel.
CHANNEL SELECTOR KNOB
Rotary knob used to select channels and to choose menu items (such as the
DSC menu, radio setup menu, and DSC setup menu). The [UP()] /
[
DOWN()] keys on the microphone can also be used to select channels and
menu items.
When the PA/FOG mode is activated, the CHANNEL selector knob adjust
the audio output level.
Secondary Use (Depends on the transceiver version)
While holding down the [SCAN] key and turning the CHANNEL selector
knob, you can confirm memory channels for scanning.
KEYPAD
[1(
DIM)] Key
When in radio mode, this key is used to directly select channel digit “1” in
a channel number.
Secondary use
Press the [F] key first then press the [1(DIM)] key, access the LCD Dimmer menu. Refer to section “10.15 LCD DIMMER” for details.
[2(
MEM)] Key
When in radio mode, this key is used to directly select channel digit “2” in
a channel number.
Secondary use (Depends on the transceiver version)
Press the [F] key first then press the [2(MEM)] key, memorize the selected channel into the transceiver scan memory for scanning. When
repeat the same procedures ([F] [2(MEM
)])
, DELETES the channel
from the scan memory. Refer to section “10.12 SCANNING” for details.
[3(
SCAN)] Key
When in radio mode, this key is used to directly select channel digit “3” in
a channel number.
Secondary use (Depends on the transceiver version)
Press the [F] key first then press the [3(SCAN)] key, start and stop the
scanning of programmed channels. Refer to section “10.12 SCANNING”
for details.
GX3500SPage 20
[4(DW)]
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
Key
When in radio mode, this key is used to directly select channel digit “4” in
a channel number.
Secondary use (Depends on the transceiver version)
Press the [F] key first then press the [4(DW)] key, scan for voice commu-
nications on the priority channel and another selected channel until a
signal is received on either channel (Dual Watch). Refer to section “10.11
DUAL WATCH (TO PRIORITY CHANNEL)” for details.
[5(IC)]
Key
When in radio mode, this key is used to directly select channel digit “5” in
a channel number.
Secondary use
Press the [F] key first then press the [5(IC)] key, when the optional RAM+
Mic is connected, intercom operation will operate between radio and RAM+
Mic. Refer to section “10.16 INTERCOM OPERATION” for details.
[6(
NAV)] Key
When in radio mode, this key is used to directly select channel digit “6” in
a channel number.
Secondary use
Press the [F] key first then press the [6(NAV)] key, the LCD displays NAV
GPS Data, Time, SOG (Speed Over Ground), and COG (Course Over
Ground) when a GPS is connected to the accessory cable of the
GX3500S. See section “8.4 CONNECTION OF GPS WITH NMEA OUT-
PUT” for details.
[7(
SCRM)] Key
When in radio mode, this key is used to directly select channel digit “7” in
a channel number.
Secondary use
Press the [F] key first then press the [7(SCRM)] key, when the optional
CVS2500 Voice Scrambler Unit is installed, available to operate the Voice
Scrambler function. Refer to section “10.17 VOICE SCRAMBLER” for
details.
[8(PA)]
Key
When in radio mode, this key is used to directly select channel digit “8” in
a channel number.
Secondary use
Press the [F] key first then press the [8(PA)] key, available to operate the
30 Watt PA function. Refer to section “10.13 PA/FOG OPERATION” for
details.
Page 21GX3500S
[9(
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
FOG)] Key
When in radio mode, this key is used to directly select channel digit “9” in
a channel number.
Secondary use
Press the [F] key first then press the [9(FOG)] key, available to operate
the Fog Horn function. Refer to section “10.13 PA/FOG OPERATION”
for details.
[0]
Key
When in radio mode, this key is used to directly select channel digit “0” in
a channel number.
[
CLR] Key
Press the [CLR] Key to cancel the menu selection and/or keypad entry.
[
ENT] Key
Press the [ENT] Key to determine the menu selection and/or keypad
entry.
[
CALL(MENU)] Key
Press the [CALL(MENU)] key to access the DSC OPERATION menu.
The “INDIVIDUAL CALL,” “GROUP CALL,” and “ALL SHIPS CALL” functions can be accessed from the DSC OPERATION menu.
Secondary use
Press and hold the [CALL(MENU)] key to access the “Radio Setup”
(refer to section “12 RADIO SETUP”) or “DSC Setup” menu (refer to
section “11 DIGITAL SELECTIVE CALLING”).
“Radio Setup” menu“DSC Setup” menu
GX3500SPage 22
[F]
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
Key
Press the [F] key to activate the “Alternate” key function.
[
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).”
ACCESSORY CONNECTION CABLE
Connects the GX3500S to a GPS, a PA speaker, and an external speaker.
DC INPUT CABLE
Connects the radio to a DC power supply capable of delivering 12V DC.
RAM+ MIC CONNECTORS
Connects the GX3500S to the enhanced RAM+ MIC (Remote Access Microphone). Refer to section “13 ENHANCED RAM+ MIC OPERATION” for
details.
ANTENNA JACK
Connects an antenna to the transceiver. Use a marine VHF antenna with
an impedance of 50 ohms.
PTT (Push-To-Talk) SWITCH
Keys the transmitter when the transceiver is in radio mode. If the transceiver
is in the intercom operation mode (between the RAM+ and the GX3500S),
or PA mode, it activates the GX3500S microphone for voice communications.
MICROPHONE
Transmits the voice message with reduction of background noise, using
Clear Voice Noise Reduction Technology.
MICROPHONE SPEAKER
The audio heard through internal radio speaker is heard through microphone speaker.
[UP()]
/ [DOWN()] KEYS
The [UP()] and [DOWN()] on the microphone function the same as the
CHANNEL selector knob on the front panel of the transceiver.
[
16/9] Key
Pressing the [16/9] key immediately recalls channel 16 from any location.
Press and hold the [16/9] key to recall channel 9. Pressing the [16/9] key
again will revert the radio to the previous selected channel.
Page 23GX3500S
10 BASIC OPERATION
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
10.1 RECEPTION
1. After the transceiver has been installed, ensure that the power supply and
antenna are properly connected.
2. Press and hold the [PWR] key until the radio turns on.
3. Turn the SQL knob fully counterclockwise. This state is known as “squelch off”.
4. Turn up the VOL knob until noise or audio from the speaker is at a comfortable level.
5. Turn the SQL knob clockwise until the random noise disappears. This state
is known as the “squelch threshold.”
6. Turn the CHANNEL selector knob to select the desired channel. Refer to
the channel chart on page 78 for available channels.
7. The keypad on the front may be used to directly select channels. Example
to select channel 68:
1. Press [6(NAV
2. Press [8(PA
3. Press [ENT
In the USA and Canadian modes, press and hold in the [0] key to select the
“A” channel. Example to select channel 22A:
1. Press [2(MEM
2. Press [2(MEM
3. Press [0] until “A” appears to the right of the channel number
4. Press [ENT
8. When a message is received, adjust the volume to the desired listening
level. The “” indicator in the LCD is displayed indicating that the channel is being used.
)]
)]
]
)]
)]
]
10.2 TRANSMISSION
1. Perform steps 1 through 6 of RECEPTION.
2. Before transmitting, monitor the channel to ensure it is clear.
THIS IS AN FCC REQUIREMENT!
3Press the PTT (push-to-talk) switch. The “” indicator in the LCD is
displayed.
4. Speak slowly and clearly into the microphone.
5. When the transmission is finished, release the PTT switch.
NOTE
This is a noise-canceling microphone. The oval slot on the bottom of
microphone should be positioned within 1/2 inch (1.3 cm) from the mouth
for optimum performance.
GX3500SPage 24
10.3 TRANSMIT TIME - OUT TIMER (TOT
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
When the PTT switch on the microphone is held down, transmit time is limited to
5 minutes. This limits unintentional transmissions due to a stuck microphone.
About 10 seconds before automatic transmitter shutdown, a warning beep will be
heard from the speaker(s). The transceiver will automatically go to receive mode,
even if the PTT switch is continually held down. Before transmitting again, the PTT
switch must first be released and then pressed again.
)
10.4 SIMPLEX/DUPLEX CHANNEL USE
Refer to the VHF MARINE CHANNEL CHART (page 78) for instructions on use
of simplex and duplex channels.
NOTE
All channels are factory-programmed in accordance with International,
Industry Canada (Canada), and FCC (USA) regulations. Mode of operation cannot be altered from simplex to duplex or vice-versa.
10.5 INTERNATIONAL, USA, AND CANADA MODE
1. To change the modes, hold the [16/9] key and press the [WX] key. The
mode changes from International to Canadian to USA with each press of
the [WX] key.
2. “INTL” will be displayed for International mode, and “CAN” will be displayed
for Canadian mode, and “USA” will be displayed on the LCD for USA mode.
3. Refer to the VHF MARINE CHANNEL CHART (page 78) for allocated channels in each mode.
10.6 NOAA WEATHER CHANNELS
NOTE
NOAA Weather channels are available in the waters of USA and Canada only.
1. To receive a NOAA weather channel, press the [WX] key from any channel.
The transceiver will go to the last selected weather channel.
2. Turn the CHANNEL selector knob on the radio or [UP()] / [DOWN(
keys on the microphone to select a different NOAA weather channel.
3. To exit from the NOAA weather channels, press the [WX] key. The transceiver returns to the channel it was on prior to a weather channel.
10.6.1 NOAA Weather Alert
In the event of extreme weather disturbances, such as storms and hurricanes,
the NOAA (National Oceanic and Atmospheric Administration) sends a weather
alert accompanied by a 1050 Hz tone and subsequent weather report on one of
the NOAA weather channels. When the Weather Alert feature is enabled (see
Page 25GX3500S
)]
section “12.9 WX ALERT”), the transceiver is capable of receiving this alert if
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
the following is performed:
1. Program NOAA weather channels into the transceiver’s memory for scanning. Follow the same procedure as for regular channels under section “10.12.”
2. Press the [SCAN] key once to start memory scanning or hold down the
[
SCAN] key during memory scanning to start priority scanning.
3. The programmed NOAA weather channels will be scanned along with the
regular-programmed channels. However, scanning will not stop on a normal weather broadcast unless a NOAA alert is received.
4. When an alert is received on a NOAA weather channel, scanning will stop and
the transceiver will emit a loud beep to alert the user of a NOAA broadcast.
5. Press the [WX] key to stop the alert tone and receive the weather report.
NOTE
If the [WX] key is not pressed the alert tone will be emitted for 5 minutes
and then the weather report will be received.
NOTE
The Weather Alert feature is also engaged while the transceiver is receiving on one of the NOAA weather channels.
10.6.2 NOAA Weather Alert Testing
NOAA tests the alert system ever Wednesday between 11AM and 1PM. To test
the QUANTUM’s NOAA Weather feature, on Wednesday between 11AM and
1PM, setup as in previous section and confirm the alert is heard.
10.7 EMERGENCY (CHANNEL 16 USE)
Channel 16 is known as the Hail and Distress Channel. An emergency is defined as a threat to life or property. In such instances, be sure the transceiver is
on and set to CHANNEL 16. Then use the following procedure:
1. Press the microphone push-to-talk switch and say “Mayday, Mayday, May-day. This is , , ” (your vessel’s name).
2. Then repeat once: “Mayday, ” (your vessel’s name).
3. Now report your position in latitude/longitude, or by giving a true or magnetic bearing (state which) to a well-known landmark such as a navigation
aid or geographic feature such as an island or harbor entry.
4. Explain the nature of your distress (sinking, collision, aground, fire, heart
attack, life-threatening injury, etc.).
5. State the kind of assistance your desire (pumps, medical aid, etc.).
6. Report the number of persons aboard and condition of any injured.
7. Estimate the present seaworthiness and condition of your vessel.
GX3500SPage 26
8. Give your vessel’s description: length, design (power or sail), color and
Vertex Standard Co., Ltd.
FCC ID: K6630063X30 / IC ID: 511B-30063X30
other distinguishing marks. The total transmission should not exceed 1
minute.
9. End the message by saying “OVER.” Release the microphone button and
listen.
10. If there is no answer, repeat the above procedure. If there is still no response, try another channel.
10.8 CALLING ANOTHER VESSEL (CHANNEL 16 OR 9
)
Channel 16 may be used for initial contact (hailing) with another vessel.
However, its most important use is for emergency messages. This channel
must be monitored at all times except when actually using another channel.
It is monitored by the U.S. and Canadian Coast Guards and by other vessels.
Use of channel 16 for hailing must be limited to initial contact only. Calling
should not exceed 30 seconds, but may be repeated 3 times at 2-minute intervals. In areas of heavy radio traffic, congestion on channel 16 resulting from its
use as a hailing channel can be reduced significantly in U.S. waters by using
channel 9 as the initial contact (hailing) channel for non-emergency communications. Here, also, calling time should not exceed 30 seconds but may be
repeated 3 times at 2-minute intervals.
Prior to making contact with another vessel, refer to the channel charts in this
manual, and select an appropriate channel for communications after initial contact. For example, Channels 68 and 69 are some of the channels available to
non-commercial (recreational) boaters. Monitor your desired channel in advance
to make sure you will not be interrupting other traffic, and then go back to either
channel 16 or 9 for your initial contact.
When the hailing channel (16 or 9) is clear, state the name of the other vessel
you wish to call and then “this is” followed by the name of your vessel and your
Station License (Call Sign). When the other vessel returns your call, immediately request another channel by saying “go to,” the number of the other channel, and “over.” Then switch to the new channel. When the new channel is not
busy, call the other vessel.
After a transmission, say “over,” and release the microphone’s push-to-talk
(PTT) switch. When all communication with the other vessel is completed, end
the last transmission by stating your Call Sign and the word “out.” Note that it is
not necessary to state your Call Sign with each transmission, only at the beginning and end of the contact.
Remember to return to Channel 16 when not using another channel. Some
radios automatically monitor Channel 16 even when set to other channels or
when scanning.
Page 27GX3500S
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