4. Observing the proper polarity as shown on the plastic holder, install
two new batteries in the holder.
5. If either end-cover was removed during removal of the back cover,
reinsert it in its original location. (The dark IR lens must be at
the top.)
6. If the dark IR lens at the top of the unit is dirty, clean with soapy
water and dry before reinstalling it.
• The lens must be clean for proper operation.
7. With both lenses in place, replace the rear cover and re-install the
four case screws.
8. Turn unit ON to verify operation.
NOTE: Changing the controller batteries does not effect the
internal real time clock or stored programs; therefore, the
time and date values remain as previously set.
Determining a Low Battery Condition on the Ultima Calibrator
1. Turn unit ON by pressing any button.
• Low battery results in a double beep for each key press
• Normal battery results in a single beep for each key press.
To Install New Batteries in the Ultima Calibrator
1. Turn OFF the Calibrator and remove the four screws from the rear
of the Ultima Calibrator unit.
2. Remove the two AAA batteries from their holders.
3. Observing the proper polarity as shown on the plastic holder, install
two new batteries in the holder.
4. Re-install the back cover of the Calibrator.
5. Press any Calibrator button and listen for beep to ensure unit
is operational.
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