Standard Horizon HX370S User Manual
HX370S
VHF/FM Marine
Handheld Transceiver
Owner's Manual
HX370S
TABLE OF CONTENTS
FCC LICENSE INFORMATION ......................................................................... 3
FCC NOTICE ..................................................................................................... 4
1. GENERAL INFORMATION ........................................................................... 5
2. ACCESSORIES ............................................................................................. 6
2.1 PACKING LIST ....................................................................................... 6
2.2 OPTIONS ................................................................................................ 6
3. BATTERY ...................................................................................................... 7
3.1 BATTERY CHARGING ........................................................................... 7
3.2 BATTERY REMOVAL/INSTALLATION ................................................... 7
3.3 USING THE NC-88 BATTERY CHARGER ............................................. 8
3.4 FBA-25A ALKALINE BATTERY CASE ................................................... 8
3.5 BATTERY SAFETY ................................................................................. 9
4. CONTROLS AND INDICATORS ................................................................. 10
4.1 CONTROLS and CONNECTIONS ....................................................... 11
4.2 INDICATORS ........................................................................................ 13
5. OPERATION ................................................................................................ 15
5.1 INITIAL SETUP ..................................................................................... 15
5.2 RECEPTION ......................................................................................... 16
5.3 TRANSMISSION .................................................................................. 17
5.4 TRANSMIT TIME-OUT TIMER (TOT) .................................................. 17
5.5 USA, CANADIAN, AND INTERNATIONAL BANDS ............................. 18
5.6 NOAA WEATHER CHANNELS ............................................................ 18
5.7 SCAN .................................................................................................... 20
5.8 PROGRAMMABLE PRIORITY SCAN .................................................. 21
5.9 DUAL WATCH ...................................................................................... 21
5.10 EMERGENCY (CHANNEL 16 USE) ................................................... 22
5.11 CALLING ANOTHER VESSEL (CHANNEL 16 OR 9) ........................ 22
5.12 OPERATING ON CHANNEL 13 ......................................................... 23
5.13 OPERATING ON CHANNEL 67 ......................................................... 23
5.14 PRESET CHANNELS (1 ~ 8):INSTANT ACCESS ............................. 24
5.15 SIMPLEX/DUPLEX CHANNEL USE .................................................. 25
5.16 ENABLING S.O.S STROBE OPERATION .........................................25
5.17 VOICE SCRAMBLER UNIT ................................................................ 26
5.18 SETUP MODE .................................................................................... 27
5.19 CLONING ........................................................................................... 30
6. MAINTENANCE ........................................................................................... 31
7. PRODUCT SUPPORT INQUIRIES ............................................................. 32
8. CHANNEL ASSIGNMENTS ........................................................................ 32
9. WARRANTY ................................................................................................ 39
10. SPECIFICATIONS ..................................................................................... 42
HX370S
RF Exposure Safety Statement
This Radio has been tested and complies with the Federal Communications
Commission (FCC) RF exposure limits for Occupational Use/Controlled exposure environment. In addition, it complies with the following Standards and Guidelines:
H FCC@96-326, Guidelines for Evaluating the Environmental Effects of Radio-
Frequency Radiation.
H FCC OET Bulletin 65 Edition 97-01 (1997) Supplement C, Evaluating Compli-
ance with FCC Guidelines for Human Exposure to Radio Frequency Electromagnetic Fields.
H ANSI/IEEE C95.1-1992, IEEE Standard for Safety Levels with Respect to
Human Exposure to Radio Frequency Electromagnetic Fields, 3kHz to 300
GHz.
H ANSI/IEEE C95.3-1992, IEEE Recommended Practice for the Measurement
of Potentially Hazardous Electromagnetic Fields-RF and Microwave.
WARNING
This radio generates RF electromagnetic energy during transmit mode. This
radio is designed for and classified as Occupational Use Only, meaning it
must be used only during the course of employment by individuals aware of
the hazards, and the ways to minimize such hazards. This radio is not intended for use by the General Population in an uncontrolled environment.
CAUTION
To ensure that your expose to RF electromagnetic energy is within the FCC
allowable limits for occupational use, always adhere to the following guidelines:
SAFETY INFORMATION
This radio is NOT approved for use by the general population in an uncontrolled environment. This radio is restricted to occupational use, work related operations only where the radio operator must have the knowledge to
control its RF exposure conditions.
H When transmitting, hold the radio in a vertical position with its microphone
1 to 2 inches (2.5 to 5 cm) away from your mouth and keep the antenna at
least 1 inch (2.5cm) away from your head and body.
H The radio must be used with a maximum operating duty cycle not exceed-
ing 50 %, in typical Push-to-Talk (Manual PTT or VOX) configurations.
DO NOT transmit for more than 50 % of total radio use time (50 % duty
cycle). Transmitting more than 50 % of the time can cause FCC RF exposure compliance requirements to be exceeded.
The radio is transmitting when the red LED on the front panel of the radio
is illuminated. You can cause the radio to transmit by pressing the PTT
button or by speaking into the microphone if using the optional VC-24
VOX accessory.
H Only use the Standard Horizon accessories designed for this product de-
tailed on Page 6.
HX370S Page 1
Congratulations on your purchase of the HX370S! Whether this is your first
portable marine VHF transceiver, or if you have other STANDARD HORIZON
equipment, the STANDARD HORIZON organization is committed to ensuring your enjoyment of this high-performance transceiver, which should provide you with many years of satisfying communications even in the harshest
of environments. STANDARD HORIZON technical support personnel stand
behind every product we sell, and we invite you to contact us, should you
require technical advice or assistance, at (800)767-2450.
We appreciate your purchase of the HX370S, and encourage you to read
this manual thoroughly, so as to learn and understand the capabilities of the
HX370S fully.
ABOUT VHF MARINE 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. The approximate distance a portable 5W radio
may communicate is about 5 miles in if there are no obstructions (buildings, hills etc.) restricting line of sight transmission.
ABOUT LMR CHANNELS
The HX370S is capable of PC programming 40 LMR (Land Mobile Radio) channels by a dealer. The frequency range is 137 to 174MHz which
may be setup for 25kHz (wide) or 12.5kHz (narrow) channel stepping
with CTCSS and DCS signaling. Contact your dealer or Standard Horizon
Product Support (800-767-2450) for further details.
HX370SPage 2
FCC RADIO LICENSE INFORMATION
Standard Horizon radios comply with the Federal Communication Commission (FCC) requirements that regulate the Maritime Radio Service.
PROHIBITED COMMUNICATIONS
The FCC prohibits the following communications:
H False distress or emergency messages:
H Messages to “any boat” except in emergencies and radio tests;
H Messages to or from a vessel on land;
H Transmission while on land;
H Obscene, indecent, or profane language (potential fine of $10,000).
STATION LICENSE
An FCC ship station license is no longer required for any vessel traveling in
U.S. waters which uses a VHF marine radio, RADAR or EPIRB, and which is
not required to carry radio equipment. FCC license forms, including applications for ship (506) and land station licenses can be downloaded via the
Internet at
(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 boat’s registration number and
the state to be used.
www.fcc.gov/formpage.html. To obtain a form from the FCC, call
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
HX370S Page 3
FCC/INDUSTRY CANADA INFORMATON
The following data pertaining to the transceiver is necessary to fill out the
license application.
FCC Type Accepted .............................................................. Part 80/Part 90
Output Power with FNB-83/-V57IS ...
Emission ............................................................... 16K0G3E (Marine: Wide)
Frequency Range .......................... 156.025 to 157.425 MHz (Marine Band)
FCC Type Number .................................................................. K6630083220
Industry Canada Type Approval ...........................................511B-30083220
1 W (Low), 2.5 W (Mid), and 5 W (High)
16K0F3E (LMR: Wide)
11K0F3E (LMR: Narrow)
137 to 174 MHz (LMR Band)
FCC NOTICE
Unauthorized changes or modifications to this equipment may void
compliance with FCC Rules. Any change or modification must be
approved in writing by STANDARD HORIZON, the 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:
• 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 marine electronics technician
for help.
HX370SPage 4
1. GENERAL INFORMATION
1.1 INTRODUCTION
The HX370S is a submersible, miniature 5-Watt portable two-way VHF marine transceiver. The transceiver has all allocated USA, international, or
Canadian channels. It has an emergency channel 16 which can be immediately selected from any channel by pressing the 16/9 key. NOAA weather
channels can also be accessed immediately by pressing the WX key.
Besides VHF marine transceiver operation, the HX370S provides LMR (Land
Mobile Radio) transceiver operation.
The transceiver includes the following features: Memory Scanning, Programmable Priority Scanning, NOAA Weather Alert, Battery Saver, easy-to-read
large LCD display, EEPROM memory back-up, Battery Life displayed on
LCD, and a transmit Time-Out Timer (TOT).
The transmitter provides a maximum of 5 Watts output, and has the selection
of 2.5 Watts and 1 Watt to assist the user in ensuring maximum battery life.
The optional FVP-31 Voice Scrambler can be installed to permit secure voice
communications with other STANDARD HORIZON radios with the FVP-31
scramblers installed.
HX370S Page 5
2. ACCESSORIES
2.1 PACKING LIST
When the package containing the transceiver is first opened, please check
it for the following contents:
• HX370S Transceiver
• FNB-83
• FNB-V57IS
• NC-88B 120 VAC Overnight Charger
• CD-26 Charger Cradle
• FBA-25A Alkaline Battery Case (Except for IS version)
• CAT460 Antenna
• E-DC-19A
• CLIP-14 Belt Clip with screw
• Owner’s Manual
2.2 OPTIONS
CE68 PPS Software
CT-111 Cable SET for CE68
CAW230 Radio-to-Ship’s-Antenna Adapter
7.2 V, 1400 mAh Ni-MH Battery Pack
7.2 V, 1100 mAh Ni-Cd Battery Pack
Depends on the transceiver version.
DC Cable with 12 V Cigarette Lighter Plug (Except for IS version)
CMP460 Noise-canceling Waterproof Speaker/Microphone
MH-57
Mini Speaker/Microphone (Except for IS version)
A4B
VC-24 VOX Headset
VC-27 Earpiece/Microphone (Except for IS version)
CT-32 Clone Cable
FVP-31 Voice Scrambler
CD-26 Charger Cradle
FBA-25A Alkaline Battery Case
(Except for IS version)
FNB-83 7.2 V, 1400 mAh Ni-MH
Battery Pack
E-DC-19A DC Cable with 12 V
Cigarette Lighter Plug
(Except for IS version)
NC-88B 120 VAC Overnight Charger
E-DC-6 DC Cable; plug and wire only
Note: Before operating the HX370S for the
first time, it is recommended that the battery be charged.
HX370SPage 6
3. BATTERY
The FNB-83 and FNB-V57IS (intrinsically Safe Version) are high performance rechargeable battery providing high capacity in a compact package.
Note: FNB-83 is supplied with the HX370S and the FNB-V57IS is supplied
with the HX370AS only.
CAUTION
To avoid risk of explosion and injury, FNB-83/FNB-V57IS battery pack
should only be removed, charged or recharged in non-hazardous environments.
3.1 BATTERY CHARGING
If the radio has never been used, or its charge is depleted, it may be charged
by connecting the NC-88 battery charger (see figure 2 on page 8). If 12V DC
power is available, the optional E-DC-6 or the E-DC-19A DC adapter with
cigarette plug may be used for charging the battery. The NC-88, E-DC-6 and
E-DC-19A will charge a completely discharged FNB-83/FNB-V57IS battery
pack in about 10 hours.
3.2 BATTERY REMOVAL/INSTALLATION
1. Turn the transceiver off.
2. To remove, open the Battery Pack Latch on the bottom of the transceiver, then slide the battery downward and out from the transceiver.
3. To install, insert the battery pack into the battery compartment on the
back of the transceiver, then close the Battery Pack Latch until it locks in
place with a “click.”
Install the Battery Pack
«
«
Close the
Figure 1
Important Notice
To avoid the ingress of water between the transceiver body and battery
pack/case, close the Battery Pack Latch until it locks in place with a
“click” while pressing and holding the battery pack/case in to ward the
top panel (secure the upper edge of the battery pack/case snugly against
the upper edge of the battery nest).
HX370S Page 7
Battery Pack Latch
3.3 USING THE NC-88 BATTERY CHARGER
1. Install the supplied FNB-83/FNB-V57IS battery pack on the rear of the
HX370S. Ensure that the transceiver is
switched off.
2. Plug the NC-88 Overnight Charger into the
AC line outlet, then insert the cable plug
into the jack located on the side panel of
the CD-26 Charger Cradle.
3. Insert the transceiver and battery pack into
the CD-26; the antenna jack should be at
the left side when viewing the charger from
the front.
4. If the transceiver and battery pack are inserted correctly, the Red indicator on the
CD-26 will glow. A fully-discharged pack will
be charged completely in 10 hours.
Figure 2
Important Notes:
H The NC-88 is not designed to power the transceiver for operation (re-
ception or transmission).
H Do not leave the charger connected to the transceiver for continuous
periods in excess of 24 hours. Long term overcharging can degrade the
Ni-MH battery pack and significantly shorten its useful life.
H If using a charger other than the NC-88/CD-26, or if using a battery pack
other than the FNB-83/FNB-V57IS, follow the appropriate instructions
provided with the charger/battery. Contact your Dealer if you have any
doubts about the appropriateness of the particular charger or battery
pack you intend to use.
3.4 FBA-25A Waterproof Alakline Battery Tray
FBA-25A is a battery case that holds six alkaline batteries and is used with the
HX370S transceiver.
When installing batteries, insert the (–) end first, then press in the (+) end so
the battery snaps into place. Always replace all six batteries at the same
time, paying attention to the polarity indicated inside the case.
The FBA-25A must not be used with rechargeable cells. The FBA-
25A does not contain the thermal and over-current protection
circuits (provided in the "FNB" series of Ni-MH Battery Packs) required
when utilizing Ni-Cd and Ni-MH cells.
HX370SPage 8
3.5 BATTERY SAFETY
Battery packs for your transceiver contain Ni-MH/Ni-Cd batteries. This type
of battery stores a charge powerful enough to be dangerous if misused or
abused, especially when removed from the transceiver. Please observe the
following precautions:
DO NOT SHORT BATTERY PACK TERMINALS
Shorting the terminals that power to the transceiver can cause sparks, severe overheating, burns, and battery cell damage. If the short is of sufficient
duration, it is possible to melt battery components. Do not place a loose
battery pack on or near metal surfaces or objects such as paper clips, keys,
tools, etc. When the battery pack is installed on the transceiver, the terminals that transfer current to the transceiver are not exposed.
DO NOT INCINERATE
Do not dispose of any battery in a fire or incinerator. The heat of fire may
cause battery cells to explode and/or release dangerous gases.
Caution
Never short-circuit the connection terminals on the battery or charger !
CONTAINS NICKEL-METAL-HYDRIDE BATTERY.
MUST BE RECYCLED OR DISPOSED OF PROP-
Ni-MH
HX370S Page 9
ERLY.
CONTAINS NICKEL-CADMIUM BATTERY.
MUST BE RECYCLED OR DISPOSED OF
PROPERLY
4. CONTROLS AND INDICATORS
NOTE
This section defines each control of the transceiver. For detailed operating instructions, refer to section 5 of this manual. Refer to Figure 3 for
the location of the following controls, indicators, and connections.
Figure 3
Controls and Connectors
HX370SPage 10
4.1 CONTROLS AND CONNECTIONS
POWER SWITCH/VOLUME CONTROL
Turns the transceiver on and off, and adjusts the volume.
MIC/SP JACK
Accepts the optional CMP460, MH-57
VOX Headset. When this jack is used, the internal speaker is disabled.
Do not allow the HX370S to become submerged in water while
the plastic cover over the MIC/SP jack is removed.
speaker microphone or VC-24
A4B
Antenna Connector
The supplied CAT460 flexible antenna is attached here.
PUSH-TO-TALK (PTT) SWITCH
Activates transmission.
SQUELCH (SQL) SWITCH
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 the reception of wanted transmissions.
BUSY/TX INDICATOR
This indicator glows green when a signal is being received and red when
transmitting.
When the Emergency feature is activated, this indicator blinks the internationally-recognized Morse Code “S.O.S” message.
UP () KEY
Used to select a desired channel. Each press increases the channel
number. When held down, the channels increase continuously.
DOWN () KEY
Used to select a desired channel. Each press decreases the channel
number. When held down, the channels decrease continuously.
16/9 KEY
Immediately recalls channel 16 from any channel location. Holding down
this key recalls channel 9. The 16/9 key is also used to revert to the
channel selected before pressing the 16/9 key.
Example: select Ch68, press 16/9 key (Ch16 appears), press the 16/9
key again and Ch68 is shown.
HX370S Page 11
WX KEY
Immediately recalls the last-used NOAA Weather Channel from any channel location. Recalls the previously- selected working channel when the
WX key is pressed again.
Secondary use: When the 16/9 key is held and the WX key is pressed,
the radio will change modes between the USA, International, and Canadian channel bands.
H/L KEY
Toggles the transmitter power level between High (5 Watts), Medium
(2.5 Watts), and Low (1 Watt) of output. Does not operate on “low power
only” and transmission-inhibit channels.
When operating on Canadian channel 13, or USA channels 13 or 67,
pressing this key momentarily toggles the power level from Low power
to Medium or High power.
Hold down this key to lock the displayed channel functions (except the
H/L, PTT, and SQL keys) so that they are not accidentally changed. The
key lock symbol “
Hold down until the key lock symbol “
dio.
” will appear, to indicate that the functions are locked.
” disappears to unlock the ra-
SCAN KEY
Starts scanning and Priority scanning of programmed channels. When
scanning, press and hold this key to turn on and off Priority scan (P is
shown on the left side of the display during Priority scanning).
PRESET KEY
Immediately recalls one of up to eight user preset memories for operation (shown as 1-8 on the LCD). Pressing this key repeatedly scrolls
through the preset memory channels.
MEM KEY
Press to select a channel for scanning. Press this key again to delete a
memorized channel. (“MEM” appears on the LCD display during memory
operation).
HX370SPage 12
4.2 INDICATORS
Figure 4
Indicators
Channel Display
The operating channel is shown on the LCD in both the transmission and
reception modes.
A Indicator
Signifies ship-to-ship channels in USA or Canadian mode (whose counterpart in the International mode is a public correspondence (marine operator)
channel).
USA/INTL/CAN Indicator
Denotes the “band” of operation for the particular channel. “USA” indicates
the USA band; “CAN” indicates the Canadian band; and “INTL” indicates
the International band.
/ / Indicators
“ ” indicates High power (5 Watts); “ ” indicates Medium power (2.5 Watts);
and “
ceive-only channel.
” is for Low power (1 Watt). “Blank” in this location indicates a re-
P Indicator
Ch16 Priority Scan is activated.
DW Indicator
Dual watch is activated.
SCN Indicator
Scan is activated.
TX Indicator
Appears during transmission.
HX370S Page 13
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