Preparation Before Use; Precautions On Installation - Kenwood TS-670 Instruction Manual

==2. PREPARATION BEFORE USE
@ 2-1 PRECAUTIONS ON INSTALLATION M 2-2 PREPARATION BEFORE OPERATION
Before operating the equipment, the following preparation
is required. Before connecting the power supply, carry out
the following.
(1) First, to familiarize yourself with the operation of this
Nex OH 3h equipment, read the instruction manual thoroughly. If
SSS you are using the transceiver for the first time, practice
you have mastered the transmit procedure, you may
begin actual operation.
NOTE:
Grounding
Making a good earth connection is important for preven-
Since the heat sink is on the rear panel, avoid placing the | ting dangers such as electric shock and for emitting a
equipment with the bottom and rear sides close to a wall or | high quality signal with minimum spurious radiation.
desk. Bury a commercially available ground rod or copper plate
under the ground and connect it to the GND terminal of
TS-670. A thick wire cut as short as possible, should be
used for the connection.
A city water pipe cannot be used as a good earth in
some cases.
Never use a gas pipe or electrical conduit pipe.
When installing the equipment in an automobile, ensure
adequate ventilation. Install the equipment in a location
where the rear does not make direct contact with the seat,
and is not directly exposed to vibration.
CAUTION:
Power supply
The standard operating voltage of TS-670 is 13.8 V
and the current is 4 A. Do not use a power supply (both
fixed and mobile) that provides over 16 V with the
power switch of TS-670 turned off.
Operation under such a condition will void the warranty.
7) Also, do not use a power supply that does not supply at
{
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t \ t J
& : least 12 V in transmit or receive. Use of such a supply
may cause the performance of the TS-670 to suffer.
Avoid installing the equipment in front of the car heater air
outlet.