9
(5). key:
Press this key to change units selector: “mV/m or V/m” →
“µA/m or mA/m” → “µW/m
2
, mW/m
2
or W/m
2”
→ “µW/cm
2
or
mW/cm
2”
”
Press and hold this key while turning the meter on to
disable the audible sound, the “
” symbol will disappear.
3 Press this key for 3 seconds to turn on or off the LCD
backlight. When no button is pressed at 30 seconds then
the backlight auto off.
(6). key:
Press this key to switch to display date and time.
Press and hold this key while turning the meter on to the
alarm setting mode, press key two times to exit this
mode.
3 Press this key for 3 seconds to switch the alarm function on
or off.
(7). key: Press this key to enter the current data and time
setting mode, press this key again to exit this
mode.
(8). key:
Press this key to change sensor axis selector: “All axis” →
“X axis” → “Y axis” → “Z axis”.
Press and hold this key while turning the meter on to switch
the device to the calibration factor setting mode, press
key to exit this mode.
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