Depaepe Telecom Securphone Notice D'utilisation page 32

Keypad and memory key lightning
Keyboard and memory keys can be back lighted with choice of either steady
backlight or only during Off-hook and ringing mode.
The choice is done by switches.
This feature must be powered with the DC adaptor provided in the pack. Connect
the wires from DC adaptor as follows:
Ringer volume
Ringer volume can be adjusted with a dip-switch located on the PCboard inside
the set.
All manuals and user guides at all-guides.com
OFF : Low ringer volume
ON : High ringer volume
-
ON : Steady
:
- Lighted only during
OFF
ringing and off-hook modes
TRT3 (TNV-3) access:
Leds access 24 Volts
DC/AC 50Hz 200 mA