8
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 again to exit
this mode.
9. Relative reading mode: Press REL key to enter Relative
mode. The display shown zero value and the current
reading will be stored as a zero-in value. Press again to
exit this mode.
10. USB mode: connect with pc with USB
11. Back-light 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.
Ⅵ BATTERY CHECK-UP & REPLACEMENT
1. As the battery power is not sufficient, LCD will display
low battery, and replacement of one new battery is
required.