V1.0 Page 35 of 38 ICM MP CC ST
A35-A36-A40 Company Confidential 09/01
8.2 Light (keypad and backlight)
All LED´s (Keypad and Backlight) are connected to BATT+. The LED´s are switched Notes
on by the EGOLD+ (miscellaneous N7) controlled signal LIGHT_ µC via the
transistor V193. The signal LIGHT_OFF can be used to switch off the light during
the TX-Burst is active.
The Illumination: a) Display
b) Keypad
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