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FREQUENCY COUNTER
The frequency counter enables you to measure any frequency between 0.4MHz to 475 MHz.
1) Select Frq. Counter on the test box and press OK.
2) Press ↑ and ↓ to select frequency range and press OK.
3) Choose between Meas and Cont. Then, activate the transmitter.
In the Meas (= measure) mode the test box will perform and display a single frequency
measurement and store it in the memory.
In the Cont (= continue) mode the test box will continue taking measurements until pressing the
EXIT button stops it. Cont readings are not stored, but the feature can be used e.g. for
checking/adjusting the antenna.
TEST BOX SETTINGS
Time & date
In the Set Time & Date mode, press → to move the cursor and ↑ to change the digit.
Press OK to store.
Backlight time
The backlight time can be adjusted from 0 to 200 seconds. Default is 60 seconds.
Press ↑ or ↓ to adjust and OK to store.
LCD contrast
The LCD contrast can be adjusted from 0 to 100%. Default is 90%. Press ↑ or ↓ to adjust and
OK to store.
OCXO time
The
Oven-Controlled Crystal Oscillator
(OCXO) may not be active all the time, only when
required during tests etc. In order to save battery and thereby increase operation time with
battery power, the OCXO can be set to go to sleep after a adjustable time between 0 and 99
minutes. Default is 10 minutes. Press ↑ or ↓ to adjust and OK to store.
Return to Default Settings
Turn the test box off and keep the OK button down while turning on again.
TEST BOX INFO
This menu presents the following information in the test box display. The information may
consist of two or more lines. Press ↑ or ↓ to toggle between the lines.
Test box model
Serial number
Software version
Calibration due date
Battery voltage
Battery capacity indication (for guidance only):
13.0 V = 100%, 12.2 V = 50%,11.9 V = Needs charging now.
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