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1. Equipment required:
1.1 Wattmeter
1.2 2. 50 ohm dummy load capable of handling 5000 Watts.
1.3 Two 50 ohm coaxial cables capable of handling 5000 Watts, one less than 10 feet long, and the
other any length.
2. Setup:
2.1 Disconnect AC Power to generator.
2.2 Connect Wattmeter to output of Unit Under Test (UUT) with a 50 ohm coaxial cable no longer
than 10 feet long.
2.3 Connect dummy load to Wattmeter with a 50 ohm coaxial cable of any length.
2.4 Disconnect any connector attached to the 25 pin ‘D’ Remote I/O connector at the rear of the
unit and jump AC interlock pins 1-14.
2.5 Connect AC power and cooling water.
3. Procedure:
3.1 Flip ‘CALIBRATE’ toggle switch on right side of front panel up to ‘CALIBRATE’ or
‘450KHz’ position.
3.2 Turn AC power on and enable RF with the front panel RF enable toggle switch.
3.3 Turn power setpoint knob to 4000 Watts as indicated by the front panel meter with the meter
switch in the ‘SETPOINT’ position.
3.4 Verify actual output power as indicated on external Wattmeter to be 4000 Watts +/- 3% or +/-
120 Watts.
3.5 Disable RF output and AC power.
3.6 Return ‘CALIBRATE’ toggle switch down to the ‘AUTOTUNE’ position.
