NXR-710 / NXR-810 INSTRUCTION MANUAL
VHF DIGITAL BASE-REPEATER / UHF DIGITAL BASE-REPEATER
THANK YOU!
We are grateful you purchased this Kenwood repeater. We
believe this easy-to-program repeater will be highly effective in
your communications system, and will keep personnel operating
at peak efficiency.
PRECAUTIONS
• Do not expose the unit to rain or moisture; to prevent fire or
electric shock.
• Do not open the unit under any circumstances; to avoid risk
of electric shock.
• Do not expose the unit to long periods of direct sunlight, nor
place it close to heating appliances.
• Do not place the unit in excessively dusty and/or humid
areas, nor on unstable surfaces.
• If you detect an abnormal odor or smoke coming from the
unit, disconnect the power from the unit immediately. Contact
your Kenwood service center or dealer.
NOTICES TO THE USER
Government law prohibits the operation of unlicensed radio
◆
transmitters within the territories under government control.
Illegal operation is punishable by fine and/or imprisonment.
◆
Refer service to qualified technicians only.
◆
FCC WARNING
This equipment generates or uses radio frequency energy. Changes
or modifications to this equipment may cause harmful interference
unless the modifications are expressly approved in the instruction
manual. The user could lose the authority to operate this equipment
if an unauthorized change or modification is made.
INFORMATION TO THE DIGITAL DEVICE USER REQUIRED BY
THE FCC
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 generate 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 the 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 to an outlet on a circuit different from that
•
to which the receiver is connected.
Consult the dealer for technical assistance.
•
This repeater is intended for use as a fixed base station with
◆
the antenna located outdoors on the rooftop or on an antenna
tower.
This repeater is designed for a 13.6 V DC power source!
◆
Never use a 24 V DC or higher source to power the repeater.
Use only the supplied DC cord.
◆
Do not remove the ferrite core attached to the DC cord. Doing
◆
so may cause interference with radio communications.
UNPACKING AND CHECKING EQUIPMENT
Note: The following unpacking information is for use by your
Kenwood dealer, an authorized Kenwood service center, or the
factory.
Carefully unpack the repeater. We recommend that you identify
the items listed in the following table before discarding the
packing material. If any items are missing or have been damaged
during shipment, file a claim with the carrier immediately.
Item Part Number Quantity
Hardware fixture J21-8559-XX 1
Front glass B10-2635-XX 1
Name plates B11-1259-XX 1
Cushion G13-1801-XX 4
Cushion G13-1802-XX 4
Foot J02-0475-XX 2
Foot J02-0492-XX 2
Grommet J59-0302-XX 2
Handle K01-0418-XX 1
Screws N30-4006-XX 2
Screws N35-3006-XX 5
DC cord E30-3427-XX 1
Lead wire with connector (15 pin) E31-3228-XX 1
Fuse F05-1537-XX 1
Instruction Manual B62-2199-XX 1
INSTALLATION
To install the handles onto the front panel of the repeater, align
the handles with the holes on the front panel, then secure the
handles using the supplied screws.
Please consult your dealer for installing the repeater and
antenna.
MICROPHONE
Connect an optional KMC-30, KMC-35, , KMC-27A, KMC-27B
or KMC-9C Kenwood microphone to the MIC jack on the front
panel.
Firmware Copyrights
The title to and ownership of copyrights for firmware embedded in
Kenwood product memories are reserved for Kenwood Corporation.
The AMBE+2TM voice coding Technology embodied in this product
is protected by intellectual property rights including patent rights,
copyrights and trade secrets of Digital Voice Systems, Inc. This voice
coding Technology is licensed solely for use within this Communications
Equipment. The user of this Technology is explicitly prohibited from
attempting to extract, remove, decompile, reverse engineer, or
disassemble the Object Code, or in any other way convert the Object
Code into a human-readable form. U.S. Patent Nos. #5,870,405,
#5,826,222, #5,754,974, #5,701,390, #5,715,365, #5,649,050,
#5,630,011, #5,581,656, #5,517,511, #5,491,772, #5,247,579,
#5,226,084 and #5,195,166.
1
CONTROLS AND FUNCTIONS
CH/STATUS
VOLUME
BUSY
TX
POWER
MIC
FUSE
N SY N C
DC 1 3 .6 V
REFIN RXIN
TX OUT
CONTROL
I/ O
TEST/SPKR
■
Front Panel
a
b d e
c
Speaker
a
CH/STATUS Display
b
Two 7-segment digits display the channel number, name,
or status.
VOLUME control
c
Rotate to adjust the audio.
POWER switch
d
POWER indicator
e
Lights green when power is supplied to the DC 13.6V
jack.
■
Rear Panel
b d e
a
h
c
g
f
MIC jack
f
hi
g
f
Connect a microphone to this 8-pin modular jack.
Programmable Function keys
g
Press these keys to activate their programmable functions.
BUSY indicator
h
Lights green while a signal is being received.
TX indicator
i
Lights red while transmitting.
TX OUT jack
a
Connect a TX antenna or a duplexer to this receptacle.
CONTROL I/O jack
b
Connect a repeater controller or a remote panel to this
DB-25 interface.
REF IN jack
c
Connect to a 10 MHz external oscillator.
RX IN jack
d
Connect an RX antenna or a duplexer to this BNC
receptacle.
REPEATER OPERATION
Note: Please consult your dealer for programming the repeater.
When power is applied to the unit, the POWER indicator lights:
• Green when using the main DC jack.
Rotate the VOLUME control to adjust the audio.
The BUSY indicator lights green while receiving a signal and the
TX indicator lights red while transmitting.
FUSE
e
Insert 15 A blade fuse into this fuse holder.
DC 13.6V jack
f
Connect a 13.6 V DC power supply to this jack.
N SYNC 1 / 2 jack
g
This jack is currently not used . You can connect another
repeater here for future functions.
TEST/SPKR jack
h
Test input/output jack. Connect an external speaker to
this jack.
TRANSCEIVER OPERATION
Receive
■
Adjust the volume to your desired level. You may need to
readjust the volume if you are having interference while
receiving a message from your dispatcher or another member
in your fleet.
The
■
2
BUSY indicator lights green while a signal is being
received.
Transmit
1 Listen to the channel before transmitting, to make sure it
is not being used.
2 Press the microphone PTT switch, then speak in your
normal speaking voice.
The TX indicator lights red while transmitting.
3 When you finish speaking, release the PTT switch.