User Manual
Extech Instruments
30 TKG250- EN V2.4 11/13
The Gain selection is available from the Measurement screen to either AGC (Auto Gain
Control) or Manual (1dB step) for the waveform models. You can also adjust the gain for
waveform gauges from the live A-Scan. To adjust gain during a live A-Scan, press the
right or left arrow until gain is highlighted, then use the up or down arrow or F2 to return
to AGC and F1 when done.
In the non-datalogger version gauge, the F3 key allows you to select the Gain option
directly without having to go to through the Measurements Setup mode. In the
datalogger version, F3 becomes Dir (Directory).
1. Use the up and down arrow keys in the Measurement screen to highlight the
Gain option and press the OK key.
The following Gain parameters are available:
2. Use the up and down arrow keys to select the desired Gain option.
3. Press the OK key to accept the parameter and return to Measure mode.
In the Measure mode screen the Gain option that you select is displayed to the left of the
battery indicator as shown below under the F for freeze flag on the bottom right: