Using the 9350 Automatic Tuning Whip Antenna with a 2110 Manpack Transceiver
50 Manpack Transceiver 2110 series Reference Manual
Power supply
Power can be provided by either:
• the transceiver’s own battery pack (with optional DC charging capability)
• a 12 V DC vehicle battery
Power supply from a vehicle battery
Vehicle batteries need to be well-charged and in good condition to ensure effective
operation. Poor condition of the vehicle battery usually leads to poor performance of
your station. This includes reduced power output and signal distortion during
transmission.
If use of a mobile transceiver results in a heavy drain on the vehicle battery, a two-battery
system can be used. Generally the vehicle alternator and charge system copes with the
extra battery, however an isolation circuit should be provided between the batteries.
Checking the vehicle battery
It is important to maintain the condition of the vehicle battery to ensure that it is in
suitable working order.
WARNING
All installations should be checked by a qualified technician before power
is applied to the transceiver.
Table 16: Vehicle battery maintenance
Check for... Comment
Correct charge Use a multimeter or a hydrometer to check the charge
condition of the battery.
Water level in cells The plates should be sufficiently covered with electrolyte.
Add clean distilled water if the electrolyte is below the
top of the plates. Never overfill cells as this causes
corrosion.
Corrosion-free terminals Where there is corrosion on the terminal posts, the whole
area should be neutralised and cleaned. This can be
achieved using a wire brush, paint scraper, and a solution
of water and baking soda.
WARNING
Any cleaning of the terminals should be
done in a well-ventilated area using the
appropriate personal protective equipment.
Tight electrical connections Check for defective cables, loose connections, corrosion,
cracked cases or covers, loose hold-down clamps, and
deformed or loose terminal posts.
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