Sprint Nextel SprintVision Katana 2 - Manual (Page 86)

70 Section 2B: Controlling Your Phone’s Settings
Setting Headset Mode
This feature allows you hands-free phone use. Press the Turbo
Button (the operation button) on the headset to activate
useful functions.
To connect the headset:
ᮣ
Simply plug the headset into your phone’s headset jack.
To set headset mode:
1. Select > Settings > Others > Headset Mode.
2. Select Turbo Button.
3. Select On or Off.
To set the ringer sound:
1. Select > Settings > Others > Headset Mode.
2. Select Ringer Sound.
3. Select Normal or Headset Only.