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C3419M-B (11/06) 7
9. Configure DIP switches SW1 and SW2 located on the top of the dome drive. For DIP switch settings, refer to the
labels located on the top of the dome drive or to the Switch Settings section of this manual.
NOTE: When connecting more than one Spectra
®
dome to a single controller, terminate the unit farthest from the
controller. To terminate the dome drive set the SW2-10 switch to the ON position.
10. Install the dome drive. Refer to Table D for a list of a compatible dome drives and back boxes. Line up the blue and
red tabs with the blue and red arrows on the hinged door inside the back box. Push in on the tabs. Insert one side and
then the other side. Continue pushing on the ends of the tabs until both sides click into place.
11. Install the lower dome. Snap the clip of the lower trim ring leash (D) into the hole on the lip of the back box. Insert
both keys in the barrel locks (E). Turn keys clockwise to the unlocked position. Keys cannot be removed from lock in
the unlocked position. Align ball studs (F) (located on the mount ring) with the ball stud receptacles (G) (located on
the inside of the lower dome). Place the lower dome over the back box. Hold and turn both keys to the locked
position.
To use your dome, refer to the operation and programming manual.
Troubleshooting
If your dome does not power up properly after installation, use the following steps.
1. Check the fuse on the circuit board inside the back box for continuity. Replace the fuse if needed.
2. Check the wiring with a volt meter to ensure proper voltage is being received into the back box.
If your dome powers up correctly, but you do not have accurate control, use the following steps.
1. Check the signal with a volt meter or an oscilloscope.
NOTE: This step will not apply if you are using Coaxitron control.
2. Ensure that the switch settings on the dome drive are set correctly. Refer to the Switch Settings section.
3. If you are using a Pelco controller, ensure that the factory-installed 16-pin jumper has not been removed. If you are
using a third-party controller, a TXB Series translator board must be installed. The dome will not function without this
16-pin jumper or a translator board installed.
Table D. Spectra Dome Drive and Back Box Compatibility
Dome Drive
Back Box
Spectra II Spectra III Spectra IV
Spectra II
®
•
Spectra III
™
•• •
Spectra IV • • •