DVI-300 Installation Manual
Document Rev. 01.004
DOC0456
Page 23 of 31
Restricted Proprietary and Confidential Information
5.1.1.1
INDICATORS
The indicators are turned ON to full brightness in bright (day) mode. In dim (night) mode, the indicators brightness
is set to medium level of brightness. At any time, the brightness of the indicators can be controlled manually using
the keypad function key as indicated in the DVI-
300 User’s Guide (DOC0499).
5.1.1.2
BACKLIGHTING
The backlighting is ON in bright (day) mode. In dim (night) mode, the brightness of the backlighting varies
depending on how the DIM_CTRL_IN is wired.
1.
If DIM_CTRL_IN is left unconnected, the backlighting is always ON.
2.
If DIM_CTRL_IN is connected to the aircraft dimmer bus, but the dimmer voltage is off (below 0.7 volts,
the backlighting is ON).
3.
If DIM_CTRL_IN is connected to the aircraft dimmer bus and the dimmer voltage is above 1.3 volts, then
the backlighting follows the dimmer bus voltage).
UNCONTROLLED COPY IF PRINTED
