Kenwood TM-701A Instruction Manual page 8

2. Before connecting and disconnecting the power connec-
tor be sure to turn OFF the POWER switch on the front
panel of the transceiver and the power supply.
3. Observe proper polarities when connecting the DC power
cable to the supply.
Remember red is positive and black is negative.
3-2-3. Antenna
The type of antenna that is used will greatly affect the per-
formance of the transceiver. Use a properly adjusted anten-
na, of good quality, to enable your transceiver to perform
at its best. The antenna input impedance is 50 ohms. Use
50 ohm coaxial cable such as RG-8U or 8D-2V for this con-
nection. If the antenna is far from the transceiver the use
of low loss cable is recommended. Match the impedance
of the coaxial cable and that of the antenna so that the SWR
will be less than 1.5 to 1. The protection circuit in the tran-
sceiver will activate if the SWR is particularly poor (greater
than 3 to 1). High SWR values will cause the transmitter
output to fall off and may lead to TVI or BCI reports.
CAUTION:
We recommend that you install a high quality lightening ar-
restor in your antenna lines for protection against fire, elec-
tric shock, personal injury, or damage to the radio itself.
4. OPERATION
4-1. CONTROL FUNCTIONS
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Lock
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2)
@ POWER switch
Press to turn the transceiver ON or OFF.
@ Tuning control
This control
is used to select the desired transmit-
ter/receiver
frequency,
Memory Channel,
Frequency
Step, Tone Frequency, Scan Direction, etc.
@ VOL control
This control is used to adjust the volume from the inter-
nal and external speaker (if used). Clockwise rotation will
increase the volume and counterclockwise rotation will
decrease the volume.
@ SQL (Squelch) control
This
control is used
to select
the desired
squelch
threshold level.
© LOW/DIM key
LOW
This function is used to select the transmit output pow-
er level (HI, or LOW).