14
Operating and installation instructions
RF-KIT Power Amplifier RF2K-S
Offset Calibration
The unavoidable frequency-dependent deviations of the linearity of the di-
rectional coupler used for internal power measurement can be minimized
for each bandpass range.
The adjustment should be carried out at an output power of 1 kW.
Use your preferred reference wattmeter for the adjustment.
Selection of the bandpass range is done automatically during transmission.
The detected band is highlighted.
►
Adjust the internal power display by pressing the buttons > (increase
value) respectively < (decrease value).
Brief actuation changes the value in the indication area Forward by 0.1 W.
Longer actuation changes the value continuously.
►
Press the switching area Save to store the settings.
►
Repeat this procedure for each bandpass range to be adjusted.
Indication area
Band
Switching area
<
(decrease value)
Switching area
>
(increase value)
Indication area
Reflected
Indication area
Forward
Switching area
>
(increase value)
Switching area
<
(decrease value)
Switching area
Close
Touching this switching area closes the user menu;
subsequently the main screen will be displayed
Switching area
Save
Touching this switching area
stores the settings