Amprobe AM-120 TRMS User Manual page 14

13
Relative mode (AM-130 only)
Relative zero allows the user to offset the meter consecutive measurements with the
displaying reading as the reference value. Practically all displaying readings can be set
as relative reference value including MAX/MIN feature readings. Press the button
momentarily to activate and to exit relative zero mode.
Manual or Auto-ranging
Press the RANGE button momentarily to select manual-ranging, and the meter will
remain in the range it was in, the LCD annunciator turns off. Press the button
momentarily again to step through the ranges. Press and hold the button for 1 second
or more to resume auto-ranging.
Note: Manual ranging feature is not available in Hz function.
Set Beeper Off
Press the Hz button while turning the meter on to disable the Beeper feature.