HF-90 Operation & Installation Guide
You should use the HF-90 in conjunction with a
Q-MAC Battery. If you plan to use any other type of
battery pack you must contact your Q-MAC
Representative to ensure that the battery you have
chosen is suitable.
The HF-90 must be properly connected to a suitably
charged 12 - 24 Volt battery. If the set does not
receive adequate voltage it will not operate properly -
there may be speech distortion on transmit and the
LED display will begin to dim.
Q-MAC recommends that you have a fuse in-line
with the battery cable, so as to avoid damage to the
cable and battery in the event of a short circuit.
Q-MAC offers a variety of battery charger options,
so that you can charge your battery from a solar
source, mains power terminal or vehicle battery.
Power source
Grounding
In all mobile systems, an adequate ground (earth) is
essential for satisfactory operation of the HF-90
radio.
If a counterpoise is provided with your wire antenna
system, ensure this is fully extended.
If a ground stake is provided with your wire antenna
system, ensure this is placed into the ground as far as
possible.
Grounding will also be improved where the
surrounding soil is wet or damp.
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Section 8.1