11
Ⅵ
BATTERY CHECK-UP & REPLACEMENT
1. When 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, remove the battery cover with
a screwier.
3. Disconnect the battery from the instrument and replace
it with a standard 9V battery and replace the cover.
Ⅶ
SPECTRAL SENSITIVITY CHARACTERISTIC
To the detector, the applied photo diode with filters
makes the spectral sensitivity characteristic
almost meet C.I.E. (INTERNATIONAL
COMMISSION ON ILLUMINATION) Photopic
curve V (
λ
) as the following chart described.