Nokia LCH-6 - Manual (Page 8)

8 Copyright © 2005 Nokia. All rights
3. Basic and call functions
■ Lock keys
Slide the keylock switch to lock and unlock the headset buttons.
When locked, all button presses are ignored and appears on the display. Press
the call or end/stop button to answer or reject incoming calls even if the buttons
are locked.
■ Adjust earpiece volume
Press the volume up and volume down buttons to adjust the earpiece volume. If
you press and hold either button, the volume continues to increase or decrease
until you release the button.
The current volume level appears on the display.
■ See received messages
When you receive SMS or MMS messages, the following icons appear near the call
button:
indicates you have at least one unread SMS message that you can view on
the phone.
indicates you have at least one unread MMS message that you can view on
the phone.