The AC adaptor must remain connected at all times (It is normal for the adaptor to feel warm
during use).
6.1.3. Optional Headset
Plugging an optional headset into the handset allows hands-free phone conversations. Please
use only the Panasonic KX-TCA89AL headset. While using the headset, speakerphone is not
available. To switch to speakerphone, disconnect the headset.
Connecting the optional headset to the handset
Open the headset jack cover, and connect the optional headset to the headset jack as shown.
6.2. Symbols Used in This Service Manual
12