ASA Electronics AOS-33 - Manual (Page 5)

FUNCTIONS AND OPERATION, CONTINUED....
Rear of Monitor.
1 Power connection;
AOS-33 Operations Manual
1
2
3
4
5
6
2, Camera A input
3. Camera B input
4 External speaker connection
not used
Ground - black wire
Reverse circuit - blue wire
not used
not used
+12VDC ignition - red wire
connection to camera extension cable
connection to additional camera extension cable
center pin is positive audio output. Used to disable the internal speaker and
remotely mount a speaker for driver convenience.
CAMERA COMPONENTS AND CONTROLS
Camera:
1. Microphone - waterproof microphone for audio pickup.
2. Mirror/Normal switch - waterproof switch to change camera image from a mirror view (rear of vehicle
mounted) to normal view (side or front mounted camera) See Figure 7.
AFFIXING DISTANCE MARKERS TO THE MONITOR SCREEN
Clean monitor screen surface of fingerprints. Set the camera into the "DOWN" position Place distance indicators
behind the vehicle at (3) feet, (6) feet and (9) feet along the width of the vehicle. These distances are measured
from the rear bumper. (Refer to figure 8.)
2, Attach the markers to the monitor screen over the images of the distance indicators. These markers represent a
distance of (3) feet, (6) feet, and (9) feet from the back of the vehicle. (See Fig 8).
3 Affix the "STOP" marker on the monitor screen over the image of the rear bumper to locate the rear bumper.
4 The monitor screen is now "calibrated" for distances behind the vehicle of (3) feet, (6) feet and (9) feet
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