The COM COM-DB90 Manuel utilisateur
Owner’s Manual
COM-DB90Mobile Radio &
S4S Stereo Intercom
Premium UTV Communication System
i
Congratulations on your purchase and welcome to the COMplete Radio InterCOM
COMmunication family. We thank you for your purchase with care the unit should give you good
service.
Please read these instructions carefully, by doing so you will get full use of the products
This Manual is broken up into parts:
1. Radio manual
2. Intercom manual
Email if you have any questions or concerns that this manual does not address.
Copyright © 2020 by TheCOM; https://utvcom.com
www.utvcom.com
info@utvcom.com
ii
Contents
COM-DB90 Dual Band Mobile Radio ............................................................................................ 1
Features................................................................................................................................... 1
Info & Warnings......................................................................................................................... 1
FCC Notice ................................................................................................................................. 2
RF Energy Exposure................................................................................................................... 2
Getting to Know The COM-DB90 ............................................................................................. 4
Front of the Radio................................................................................................................... 4
Back of the Radio.................................................................................................................... 6
Hand Mic ................................................................................................................................ 7
Screen Icons............................................................................................................................ 8
Antenna....................................................................................................................................... 9
Mounting Tips......................................................................................................................... 9
Antenna Ground Wire............................................................................................................. 9
Powering TheCOM................................................................................................................... 10
Turing off the Mobile Radio................................................................................................. 10
Operations................................................................................................................................. 10
Adjusting the volume............................................................................................................ 10
Receiving & Transmitting a Call.......................................................................................... 10
Selecting a Channel............................................................................................................... 10
Toggling between Bands A/B/C/D....................................................................................... 11
Function Menu.......................................................................................................................... 12
Other Settings and Options....................................................................................................... 18
Programing............................................................................................................................ 18
Keypad Lock-out .................................................................................................................. 18
PTT ID.................................................................................................................................. 18
Scanning Modes.................................................................................................................... 18
Troubleshooting TheCOM-DB90............................................................................................. 19
Specifications............................................................................................................................ 20
Technical Specifications....................................................................................................... 20
Receiver Specifications......................................................................................................... 20
Transmit Specifications ........................................................................................................ 20
Frequency List .......................................................................................................................... 21
S4S Stereo Intercom..................................................................................................................... 24
iii
Introduction............................................................................................................................... 24
Main Features............................................................................................................................ 25
Installing TheCOM................................................................................................................... 26
General Install Guidelines..................................................................................................... 26
Headsets.................................................................................................................................... 27
Installing Helmet Headsets................................................................................................... 27
Mic Placement ...................................................................................................................... 27
Fitting the headset parts to your helmet................................................................................ 27
Front Keypad Controls.............................................................................................................. 29
Power On / Off...................................................................................................................... 29
Volume Controls................................................................................................................... 29
VOX...................................................................................................................................... 29
Rear Intercom Ports .................................................................................................................. 30
Power Wires.......................................................................................................................... 30
PTT ....................................................................................................................................... 30
Radio..................................................................................................................................... 30
Audio Out.............................................................................................................................. 30
Phone / Audio In................................................................................................................... 31
HS-1...................................................................................................................................... 31
HS-2...................................................................................................................................... 31
HS-3...................................................................................................................................... 31
HS-4...................................................................................................................................... 31
Bluetooth................................................................................................................................... 32
Troubleshooting the S4S........................................................................................................... 32
Contact Info .............................................................................................................................. 33
1
COM-DB90 Dual Band Mobile Radio
Features
TheCOM-DB90 mobile 2-way radio is unique for its compact body, powerful output and
frequency range design. It's also designed with new and personalized operation menu to give you
easy-to-use and exceptional operation experience. We believe its mini size and cost-effective
price will allow the off-road community the ability to install the radio in more locations without
having to modify their vehicles.
Before operation and to obtain the best performance, we recommend that you read this user
manual carefully to become familiar with the features.
➢Frequency range VHF 136-174 MHz / UHF 400 –480 MHz
➢Color Display
➢Simple plug and play connection to the S4S intercom
Info & Warnings
IMPORTANT! Changes or modifications to this unit not expressly approved by TheCOM could
void your right to operate this unit. Your radio is set up to transmit a regulated signal on an
assigned frequency. It is against the law to alter or adjust the settings inside the mobile radio to
exceed those limitations. Any adjustment to your radio must be made by qualified technicians.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions;
1. this device does not cause any harmful interference, and
2. this radio must accept any interference that may cause undesired operations.
Use only “TheCOM” supplied or approved accessories, cables and headsets.
Turn off your radio prior to entering any area with flammable materials. Do not operate or turn
on your mobile radio at a gas station or while fueling your vehicle.
Do not mount your radio in the area over an air bag deployment area if equipped or in a location
that obstructs the drives sight.
Do not expose the radio to direct sunlight for prolonged periods of time, nor place it close to a
heat source.
Do not transmit for long intervals, as it may overheat the mobile radio.
Do not pressure wash your COM for any reason. To clean, blow off as much dust and debris then
wipe with a damp cloth while the unit is in the OFF position. Allow to dry for several hours then
operations may resume.
2
If the unit emits smoke or an odor, you should immediately cut off the power supply. Then
Protect your unit as much as possible from dusty, damp and wet conditions and never submerge
TheCOM
Use the correct power supply. TheCOM is designed to operate at about 12.0 to 13.8V; do not use
24V power supply to TheCOM or mobile radio.
If there's any electromagnetic interference, please keep the mobile radio away from the sources
such as TV set, engine generator etc.
FCC Notice
The COM-DB90 operates on UHF/VHF frequencies, which require a Federal Communications
Commission (FCC) license (learn more here https://www.fcc.gov/). You must be licensed prior
to operating. Serious penalties may result from unlicensed use or operation in violation of FCC
rules, as stipulated in the Communications Act’s Sections 501 and 502 (amended). You will be
issued a call sign by the FCC that should be used for station identification when operating your
radio. You should also cooperate by engaging in permissible transmissions only, avoiding
channel interference with other users, and being prudent with the length of your transmission
time.
To obtain a license or ask questions about the license application, contact the FCC at 1-888-
CALL FCC or go to the FCC’s website: https://www.fcc.gov/
Request form 605.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions:
1. This device may not cause harmful interference, and
2. This device must accept any interference received, including interference that may cause
undesired operation
The scanning receiver in this equipment is incapable of tuning, or readily altered, by the user to
operate within the frequency bands allocated to the Domestic public Cellular
Telecommunications Service in Part 22.
WARNING: Modification of this device to receive cellular radiotelephone service signals is
prohibited under FCC rules and federal law.
RF Energy Exposure
The COM-DB90 is designed to comply with the following national and international standards
and guidelines regarding exposure of human beings to radio frequency electromagnetic energy.
➢United States Federal Communications Commission (FCC), Code of Federal
3
Regulations: 47 CFR part 2 sub-part J
➢To control your exposure and ensure compliance with the general population or
uncontrolled environment exposure limits, transmit no more than 50% of the time. The
radio generates measurable RF energy exposure only when transmitting.
➢The consumer must maintain a minimum safe separation distance of 2 ft from the antenna
when transmitting.
4
Getting to Know The COM-DB90
Please check the packaging of your radio for any signs of damage. Carefully open the box, if you
find the radio or the included accessories are damaged or lost, immediately contact your dealer or
Front of the Radio
1. V/M Mode Switch (Channel/Frequency)
2. Monitor (Moni) function
3. Call key
4. FM radio function key
5. Power, On/Off (Press) & Volume Knob (Rotate)
6. Exit Menu, Toggle A/B/C/D bands
7. Display screen
8. RJ-45 Microphone Connector
9. Channel Selector (rotate) Menu Knob (Press) Confirm Key (Press)
5
Toggle between
Memory & Channel
mode (for simple
channel driven radio
leave on memory
mode)
Current band indicator
(similar to AM and FM on
your car radio
Radio Volume &
press and hold to
power down or
power up
Channel
Selector or
press to
enter radio
menu
Toggle between
bands A, B, C & D
6
Back of the Radio
1. TRRS 3.5 mm connection for S4S intercom connection –Pinout diagram below:
2. DATA, Programming Jack TRS 3.5 mm: (Restricted to comply with FCC Part 90)
3. Cooling Fan
4. SO-239 RF Antenna Connector: Connects to PL-259 Antennas
5. 12V DC Power supply (13.8 Volts –7 Amps peak)
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