PowerMaster II RF Wattmeter www.arraysolutions.com Rev 4.1 - February 23, 2017
Using two identical couplers.
With two identical couplers (3 kW & 3 kW) (10 kW & 10 kW) etc., you can connect the two couplers to the Power Master II and be able to read
the power from either one automatically without switching between them.
The Power Master II wattmeter has the ability to have two couplers connected to it, and it has provision to allow switching very
easily between the two couplers through only two button presses on the front panel.
When operating SO2R, you do not want to have to toggle from one coupler to another. We make matched couplers available for
SO2R users and due to the nature of these couplers being high impedance devices, we can actually connect the two coupler
inputs in parallel and instead of toggling between the two couplers, they will both be connected and active at the same time.
The first step is to disconnect all connections to the rear panel of your Power Master II and remove the two #6-32 philips screws
on either side of the cabinet.
Then locate JP1 on the right side of the board.
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