Uniden XCA4500 - Manual (Page 20)

Setting the Handset Retainer
The Handset Retainer holds the Handset in place if your phone is mounted
on a wall. These steps describe how to remove and replace the retainer so
that the tab faces up.
1. Push up on the Handset
Retainer on the Base Unit,
and slide the tab out.
2. Flip the Retainer over so the
tab faces up.
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