User Manual

Press REL% key again to show the current readings on

primary display and the “REL” symbol will be blinking. The

percentage range is from -99.9% ~ 99.9%. When the present

value is larger than double of initial value, the “OL%” indication

will be shown on the secondary display.

During relative measurement, analog bar is always indicating

the present measurement value but not the relative value.

7.7. Open/Short calibration

1. Press CAL key larger than 2 seconds to start the

open/short calibration procedure.

2. In open calibration mode, the secondary display will show

“Open”. There are two ways for open state input:

3. When using square terminals, the square terminals and

CUR

POT

CUR

terminals hang in the air

4. When using L

CUR

POT

CUR

terminals, insert the black

and red testing lines with alligator clip into the "L

CUR

", "L

POT

terminal and "H

CUR

" , "H

POT

" terminal respectively

5. Press CAL key and the 30-second countdown will be

shown on LCD panels. If the open calibration is finished,

the PASS or FAIL symbol will shown on the primary

display. Press CAL key again to save the calibration data

and enter into the short calibration mode.

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