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Hot Drink Center Set-Up Manual
B-2 6530007
March, 2001
Calibration
1. Remove the plastic cap in the rear of the sensing unit, exposing the potenti-
ometer adjusting screw, as shown in figure B1.
2. Turn the screw clockwise to increase sensitivity of cup detection, or coun-
terclockwise to decrease sensitivity.
3. Calibrate the sensor:
CAUTION
Do not adjust sensitivity too far, or unreliable sensing could
result.
a. Using a piece of WHITE poster board or heavy cardboard, make a 5" x
5 5/8" target.
NOTE
IT IS VERY IMPORTANT THAT THIS MATERIAL BE
WHITE.
b. Place the target in the cup station just beyond the cup deflectors (see fig-
ure B-2). The target should be standing vertically; not tilted forward or
backward.
c. With the target in place, turn the adjusting screw clockwise very slowly
until the indicator just turns ON.
d. Turn the adjusting screw counterclockwise very slowly until the indica-
tor just turns OFF.
4. Replace the plastic cap.
5. Insert a mug into the cup station in the vending position and check to see
that the red indicator light is ON.
This calibration will be adequate for most cups or mugs. In some cases, a
slightly more sensitive setting is needed if the cup or mug is a dark color.