OverviewControlsDriving hintsCommunication NavigationEntertainmentMobilityReference
245
Display shows:
✓
DTMF Touchtone
You can only use control codes for accessing
network services or for controlling communication
devices if the DTMF touchtone is switched on, see
page 244.
<
Proceed similarly to switch off the DTMF touchtone.
ba.book Page 245 Thursday, December 19, 2002 8:13 PM