10
17. HOLD the key of MEM/SETUP and LOAD 5s to clear
the 99 memory .
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.
2. After turning off the meter, disconnect the battery cover
with a screwier.
3. Disconnect the battery from the instrument and replace
it with a standard 9V battery and go for the cover.
SPECTRAL SENSITIVITY CHARACTERISTIC
¾
To the detector, the applied photo diode with filters
makes the spectral sensitivity characteristic
almost meet C.I.E.(INTERNATIONAL
COMMISSION ON ILLUMINATION) Photo
curve V () as the following chart described.