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10 Measurement Procedures and
Preparation
Battery loading : Remove the battery cover on the
back and put a 9V battery inside.
Battery replacement: When the low battery
symbol of
”
” appears on the LCD display, the
battery should be replaced with a new one.
10.1 POWER button
：
Press
”
”button to power on.
Press
”
”button to power off.
10.2 Data hold button:
Press the
“
” button to go into hold mode, and
“HOLD” appears on the screen to allow you to
read the data.
