Amprobe AM-270 Specifications download pdf (Page 18)

Relative Mode

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.

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Amprobe AM-270 Specifications Page 18