7
3. Remove the photo detector cap and face it light source
in a horizontal position.
4. Press the REC/SET key and RANGE/APO key,
Enable the AUTO power off or Disable this function.
5. Read the illuminance nominal from the LCD display.
6. Over range: If the instrument only displays “OL”, the
input signal is too strong, and a higher range should be
selected. The range will show on the down of the LCD,
LUX :400 -> 4K -> 40k -> 400k; FC: 40 -> 400-> 4k ->
40k.
7. Data-Hold mode: Press the hold key to select Data-Hold
mode. When HOLD mode is selected, the illuminance
meter stops all further measurements. Press the HOLD
key again to exit Data-Hold mode. Then it resumes
normal operation.
8. Peak-Hold mode: Press the PEAK key to choose
Pmax or Pmin recorder mode, and expose the photo
detector to light pulse measuring field. Press the PEAK
key again to exit PEAK recorder mode, then the meter
will resume normal operation.
9. Maximum and Minimum mode: Press MAX/MIN key to
choose the Maximum (MAX) reading, Minimum (MIN)
reading and current reading (MAX/MIN blink) recorder
