Sper Scientific 840046 RF Microwave Meter User Manual

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flash on the LCD. The meter will
continue measuring, holding the
maximum and minimum values
on the LCD until exceeded.

4. Press and hold MAX/MIN for more

than one second to exit and return
to Normal Mode.

5. Press HOLD to freeze the current

value on the display. “DH” (Data
Hold) will appear on the LCD.
Press HOLD again to release
the data hold.

Auto Power Off

1. To save battery life, the meter

will automatically turn off
after 30 minutes of inactivity.
To disable this function:

MEASUREMENT PROCEDURES