Quick Start Guide
This document is written to provide a quick overview of the amplifier sufficient
to get you operational quickly.
Getting going
The Gemini HF-1K is essentially a fully automatic amplifier. Specifically the
amplifier automatically senses the frequency of transmission of the driving
transceiver and band switches wihout requiring either user input or any CAT
or other interface.
User control is via the touchscreen display. Behind the normal operating
screen are sub-menus for setting up antenna /band usage, power up status,
sounds, network control etc.
Other than physically connecting up and setting up which antenna socket
should be used for which band there are no other procedures required before
you use the amplifier for the first time.
Before you power up
Drive level
The most important consideration is drive level. In manufacture we will have
configured the amplifier to your requested specification. This will be for either
10, 25 or 50W input drive level for maximum output.
It is most important that you do not exceed the input drive level. Whilst the
amplifier has an input overdrive detector that will inhibit transmit if it detects
overdrive this cannot ever be 100% guaranteed to protect the LDMOS
devices. It is a fast acting circuit but damage can occur in a single frequency
cycle if over-driven sufficiently.
Damage to the amplifier due to over-driving is not covered under warranty.
Please therefore ensure that your transciever is configured correctly. We
recommend getting into the habit of a quick tx with the amplifier off-line to
check the output power of rig using your in-line power/vswr meter before then
turning the amplifier on. If your rig is configured to provide different power
levels for each band then take a minute to check that all bands are set to a
level at or below the amplifier maximum drive input level.
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