VT22 Operating Instructions A9341 / August 2001
3
+ 12 IN
+12 to SW
+12 fr SW
VID +12V
GND IN
MIC PWR
VID IN
VID GND
MIC IN
Mic
Camera
1
2
3
4
5
6
7
8
9
+12V
GND
GND
MIC PWR
VID IN
MIC IN
J1
ELECTRET MIC
VIDEO IN
POWER IN
SWITCH PINS
- MIC PWR
- VID IN
- +12V
- +12 TO SW
- MIC IN
- VID GND
- GND
- +12 FROM SW
- MIC GND
- VID +12
CONNECT GND_IN (4) TO MIC_GND IN WIRE HARNESS
Figure 3
VT22 Connector Interface Diagram
Step 3
-
Frequency Agile Transmitters, Only. Locate and loosen the small screw next to the
recessed cover plate on the transmitter housing (see Figure 4).
NOTE:
Do not remove the screw or cover plate may fall into transmitter housing.
Step 4
-
Slide the recessed cover plate back to expose the frequency select switch.
Step 5
-
Holding the transmitter as shown in Figure 4 with the transmitter connectors pointing up,
enter the proper code starting with position 1 on the extreme left of the 14 pin dip switch.
A logic 0 is entered when each switch position is moved up (toward the transmitter
connectors). A logic 1 is entered when each switch position is moved down (away from
the transmitter connectors). Enter the frequency desired by selecting the corresponding
switch position logic as shown in Table 1 or Table 2, as applicable to the transmitter P/N
(VT22ML - 1710-1850 MHz; VT22MS - 2400-2500 MHz).
NOTE:
Always use a hard wooden, plastic or metal object when setting the dip switch
positions. Never use a soft material (such as a felt tip or pencil lead) in order to
avoid introducing foreign material into the transmitter circuitry.
Step 6 -
Slide the transmitter cover plate back into position and tighten the screw.
