For
a more in-depth description of these functions and instructions on how
to set up the amplifier for your transceiver correctly, please consult
your amplifier's manual.
There are two methods for your linear amplifier to
obtain operating frequency information from your transceiver
automatically. You can use the
information here to choose which you prefer. You will then need to buy
the corresponding Cat or Band control cable as they are wired
differently.
Cat control
The amplifier is able to determine the exact frequency that the transceiver is tuned to. It then automatically switches to the correct band and if amplifier has an ATU fitted, recalls the appropriate ATU setting from memory.
Pro - The ATU in the amplifier is able to more accurately match the antenna before you transmit.
Con - May make it difficult or impossible to control the transceiver from your computer e.g. for logging software.
Band control
The
amplifier is able to determine the amateur band that the transceiver is
set to. It then automatically switches to the correct band.
Pro
- Doesn't use your Cat connection so you can use this to control
your transceiver from your PC e.g. for logging software.
Con - 1. The ATU in the amplifier can only coarse tune the antenna when switching bands and can only determine the exact operating frequency when you begin transmitting. 2. Support for 60m (5MHz) band may not be available.