Sony PP-A2780 - Manual (Page 87)

Additional Information 87 US
Additional Information
Carrying the cordless handset by the
belt clip
You can hang the cordless handset on the belt using the belt clip.
Open the belt clip of the cordless
handset by pressing the top of it,
and then attach the cordless handset
to the belt.
Using the headset
You can talk on the cordless
handset without using your hands
by connecting a headset (optional)
to the I (HEADSET) jack on the
cordless handset.
I (HEADSET)
jack