VELLEMAN GB
3
2.1 Range Control Button
Range for AC/DC voltage, AC/DC current(µA and mA only), Resistance and
Frequency measuring can be selected manually or autorange. Push this button as
following to choose range the desired mode or range.
2.2 DATA HOLD button
When this button is pushed, the display will show the last reading and " D-H " symbol
will appear until the button is pushed again.
Data holding will be cancelled automatically when the function switch is rotated.
2.3 AC/DC Current or / Selecting button
Push this button to select AC or DC current measuring function when the function
switch is set at µA, mA, A positions.
Push this button to select
or
measuring when the function switch is set at
/
position.
Power On or Function Changing
AutoRanging
Manual Ranging
Range Changed
Push button
for over
3 sec.
Push button once
"R-H"displayed
Push button for
less than 1 sec.