User guide

MEASUREMENT OPERATION

RANGE button

 Press RANGE to enter the manual ranging mode; the Meter beeps.

 Press RANGE to step through the ranges available for the selected function; the

Meter beeps.

 Press and hold RANGE for over 2 seconds to return to auto ranging mode; the

Meter beeps.

MAX MIN button (GDM-360/397/398 only)

 Press MAX MIN to start recording of maximum and minimum values. Steps the

display through high (MAX) and low (MIN) readings. The Meter enters manual

ranging mode after pressing MAX MIN button.

 Press and hold MAX MIN for over 2 seconds to exit MAX MIN mode and return

to the present measurement range.

Peak Hold (GDM-461 only)

 Under voltage and current measurement mode, press the PEAK button to enter

manual ranging mode and start recording of Pmax and Pmin values. The LCD

displays MANU/Pmax.

 Press PEAK again to display MANU/Pmin.