Teo 6210 ISDN Phone - Manual (Page 42)

38 Tone Commander 6210/6220 User Guide
PREF (Off-hook Call Preference – National ISDN only) . page 32
RING (Answer Ringing Call)
IDLE (Select Idle Call Appearance)
NONE (Manual Call Appearance Selection)
VOICE (Voice Mode) ...................................................... page 33
HAND (Handset)
HEAD (Headset)
VOLUME
RCV+/- (Receive Volume Up/Down)
XMT+/- (Transmit Volume Up/Down,
Headset only)
DISPLY (Display Contrast) ............................................. page 34
+ (Increase Contrast)
- (Decrease Contrast)
PASSWD (Call Log Password) ....................................... page 35
SET, CLEAR