LDR: Intelligent Backlight Control Mode
In LDR, the power meter will automatically adjust the backlight to
ambient light within 15 seconds.
Key Control Mode
In key control mode, pressing the
off.
1. With power meter turned on, press and hold the
2. The BL/SET light will turn red. (Fig X)
3. After 10 seconds, the indicator light will turn off. Key control
mode is active.
Changing Backlight Mode
Press and hold the
the other. Green B/L Set light indicates the LDR is active.
Handheld Optical Power Meter
Backlight Control
key to switch from one backlight mode to
29
B/L SET
1. Green when LDR activates
2. Red when key control
mode activates
key turns the backlight on or
key.