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LDK 5481 + LDK 4700 User’s Guide | Base unit 3-15
3.5.1 Setup switches
The rear of the base unit has six miniature rocker switches. The table below describes their
function. Switch them On or Off as follows:
Figure 3-8. Dry contact signalling
Table 3-9. Base unit setup switches
3.5.2 Audio out connector
Figure 3-10. Audio out connector
Switch Function On Off (default)
1 Intercom system type 2-wire 4-wire
2 Video output R, G, B Y, Pr, Pb
3 (not used)
4 (not used)
5 (not used)
6 Sub-D connector control RS-232 RS-422
1 2 3 4 5 6
On
Side view of switches
Off
3
1
2
1
. Audio Screen
2. Audio Out
3. Audio Return
Sensitivity range: -64 dBu to -22 dBu
Signal at pin 2 of audio output is in phase with signal at
pin 2 of audio input.
XLR 3-pin male; panel view
Panel part number: 2422 026 02985