Quasar CM-4251 Series User and Installation Guide
3. Unscrew the module-fastening screw.
Caution:
The CM-4251-x0 is an indoor camera and should be kept in a clean and dry indoor
environment. Operating temperature should be maintained within a range of 10° to 50°C
(-14° to 122°F). Operating humidity is 10% to 90% (non-condensing). The camera should
be kept dry, free from water condensation, dust, dirt, and smoke.
4. Press in the camera module flanges to unsnap the camera module from the base plate.
5.6 Mounting Instructions
The following are mounting instructions for the CM-4251 series cameras.
CM-4251-10-I and CM-4251-11-I Mounting Tips
Mounting the CM-4251-10-I Indoor Camera
Mounting the CM-4251-11-I Outdoor Camera
5.6.1 CM-4251-10-I and CM-4251-11-I Mounting Tips
To eliminate IR reflection:
1. Clean the bubble from dirt and finger prints.
2. Make sure the bubble has no scratches.
3. Fasten the screw that secures the snap-in chassis in order to have the rubber sealed against
the bubble.
4. Avoid aiming the IR where there are nearby objects closer than the scene of interest which
might reflect back into the lens.
12
Figure 8: Releasing the Module
Figure 9: Removing the Camera Module from the Base Plate