Samsung SWC-R640LBAXAR - Manual (Page 27)

Understanding Your Phone 22
Side Views of the Phone
1. Headset Connector: Used to connect a headset or TTY device
to your phone. (For more information, refer to “TTY Mode” on
page 169.)
2. Strap holder: Allows you to attach an optional carrying strap
(not included).
3. Volume Key: Allows you to adjust the ring volume in Standby
mode, adjust the voice volume during a call, or mute the ringer
during an incoming call.
7
6
2
3
4 5
1