10
8. Maximum and Minimum recorder mode: Press
MAX/MIN key to cycle through Maximum(MAX) reading,
Minimum(MIN) reading and current reading(MAX/MIN
blink) recorder mode. Press MAX/MIN key two seconds
to exit this mode.
9. Relative reading mode: Press REL key to enter Relative
mode. The display shows zero value and the current
reading will be stored as a zero-in value. Press again to
exit this mode.
10. Reset mode: Every time this key is pressed, the
selected function (HOLD, MAX/MIN,REL,PEAK except
BACK-LIGHT) ,auto-power-off function and counter will
be reset.
11. Backlight function: Press the backlight key to turn on.
Press again to turn off.
12. When the measurement is completed, replace the photo
detector cap and turn the meter off.