CEI 499 ULTRAK - Manual (Page 13)

BATTERY CHANGE
When the battery low indicator lights up, as shown in Fig.25, battery replacement is
necessary.
Fig.25.
1. Unscrew and remove the back cover.
2. Unscrew the battery contact.
3. Replace with fresh Lithium battery CR2032 or equivalent.
4. Before putting in the fresh battery make sure that the triangular contact is in the
triangular slot under the battery.
5. Use a small metal tool (such as a tweezers or screw driver) to momentarily short
circuit the AC pad next to the battery.
6. Re-screw the back cover.