Horner APG QX751 OCS User Manual
Page 71

MAN0890-02-EN
CH. 13
August 20, 2009
Page 71 of 96
ECN # 979
4. Open the battery access door by squeezing in on the latch and lifting up on the door (Fig.
13.2).
5. Disconnect and remove the old battery. Use care in removing the battery from the holder
without breaking the retaining ears.
6. Dispose of the battery properly. Please see the above
warning on disposal regulations
.
7. Slide the new battery into the holder. Reconnect the battery connector making sure it is
inserted properly (the battery connector is keyed).
8. Apply power to the unit. Check that the battery error is no longer reported. If the unit still
reports the error, remove the battery immediately and contact Horner APG Technical
Support.
Figure 13.1 – Battery Door
Figure 13.2 – Battery Compartment