Kenwood TKR-750 User manual

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 (E type only), KMC-27A,
KMC-27B, or KMC-9C KENWOOD microphone to the
MIC jack on the front panel.
VHF FM REPEATER/ UHF FM REPEATER
TKR-750/ TKR-850
INSTRUCTION MANUAL KENWOOD CORPORATION
© B62-1327-00 (K,E)
09 08 07 06 05 04 03 02 01 00
NOTICES TO THE USER
UNPACKING AND CHECKING EQUIPMENT
Note: The following unpacking information is for use by your KENWOOD
dealer, an authorized KENWOOD service facility, 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.
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.
◆ GOVERNMENT LAW PROHIBITS THE OPERATION OF
UNLICENSED RADIO TRANSMITTERS WITHIN THE
TERRITORIES UNDER GOVERNMENT CONTROL.
◆ ILLEGAL OPERATION IS PUNISHABLE BY FINE OR
IMPRISONMENT OR BOTH.
◆ REFER SERVICE TO QUALIFIED TECHNICIANS ONLY.
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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.
KENWOOD incorporates the latest in advanced
technology into all of our products. As a result, we feel
strongly that you will be pleased with the quality and
features of this product.
FEATURES
• You can easily program channel data using the KPG-66D
software on a PC.
• You can recall 1 of 16 preset channels using either a PF key
or the external control line.
• The firmware can be written to the Flash memory through
an external source.
• QT/DQT signalling can be programmed on each channel. It
simultaneously decodes up to 16 different QT/DQT tones.
• When using the KPG-66D, RX PLL lock voltage, RX input
signal strength, TX PLL lock voltage, TX output power, and
the power supply voltage can be monitored on a PC.
• The interface port can be used with external equipment,
such as a repeater controller.
• The repeater has multi-mode capability.
Wide: 30 kHz, 25 kHz/ Narrow: 15 kHz,12.5 kHz (TKR-750)
Wide: 25 kHz/ Narrow: 12.5 kHz (TKR-850)
• You can adjust the following functions from a PC:
• CW ID Deviation
• DQT Deviation
• Maximum Deviation
• QT Deviation
• Repeat Gain Level
• TX Power
• RX Audio Signal Output (RA)
• RX Detector Signal Output (RD)
• Test Tone Deviation
• TX Audio Input (TA)
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.

REPEATER OPERATION
Note: Please consult your dealer for programming the repeater.
When power is applied to the unit, the Power indicator
lights green.
Turn the VOLUME control clockwise until a click sounds,
to unmute the volume. Rotate to adjust the volume. Turn
the VOLUME control counterclockwise fully to mute the
volume.
The BUSY indicator lights green while receiving a signal
and the TX indicator lights red while transmitting.
qq
qq
qSpeaker
ww
ww
wCH/STATUS Display
Two, 7-segment digits display the channel number
or status.
ee
ee
eVOLUME control
Turn clockwise until a click sounds, to unmute the
volume. Rotate to adjust the volume. Turn
counterclockwise fully to mute the volume.
rr
rr
rPower switch
tt
tt
tPower indicator
Lights green when power is applied from the DC
13.6V jack (DC 13.2V jack on E type versions).
Lights red when power is applied from the BACK
UP battery terminal.
yy
yy
yMIC jack
Connect a microphone to this 8-pin modular jack.
uu
uu
uProgrammable Function keys
Press these keys to activate their programmable
functions.
ii
ii
iBUSY indicator
Lights green while a signal is being received.
oo
oo
oTX indicator
Lights red while transmitting.
■Rear Panel
qq
qq
qTX OUT jack
Connect a TX antenna or a duplexer to this
receptacle.
ww
ww
wCONTROL I/O jack
Connect an external programming device or
repeater controller to this DB-25 interface.
ee
ee
eFUSE
Insert 15 A blade fuses into these fuse holders.
rr
rr
rRX IN jack
Connect a RX antenna or a duplexer to this BNC
receptacle.
tt
tt
tDC 13.6V (K type) / DC 13.2V (E type) jack
Connect a 13.6 V (K type) or 13.2 V (E type) DC
power supply to this jack.
yy
yy
yBACKUP battery terminal
uu
uu
uTEST/SPKR jack
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 when you receive a message
from your dispatcher or another member in your fleet.
• The BUSY indicator lights green while a signal is
being received.
■Transmit
1Listen to the channel before transmitting, to make
sure it is not being used.
2Press the microphone PTT switch, then speak in
your normal speaking voice.
• FCC regulations require that you identify the
station you are calling as well as your own
station (your assigned call sign).
• The TX indicator lights red while transmitting.
3When you finish speaking, release the PTT switch.
CONTROLS AND FUNCTIONS
■Front Panel
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
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oo
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ee
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* The K type model is
shown in this diagram.