Handset User Guide
Table Of Contents
- Table of contents
- Important safety information
- Registering the C4012 handset
- C4012 handset features
- Using the C4012 handset
- Switching the handset on/off
- Locking/unlocking the keypad
- Switching speech monitoring on/off
- Changing the speaker and loudspeaker volume
- Muting the microphone and ringer
- Making a call
- Making a call from the last number redial list/caller list
- Making a call from the shortcut list
- Answering a call
- Transferring a call
- Conferencing
- Terminating a call
- Programming the C4012 handset
- Subscribing the C4012 handset
- Quick reference
6
C4012 Handset Standard 2.00
Battery information
Read the following information before you handle the batteries:
• Do not replace the batteries in potentially explosive environments, such
as rooms containing flammable liquids or gases.
• Do not charge the batteries unless you use the supplied charger and the
proper batteries.
• Do not let the battery or the charger come into contact with conductive
metal objects.
• Do not dispose of the batteries in a fire.
Battery installation
The C4012 handset uses two NiMH (Nickel-Metal Hydride) rechargeable AA
700 mAh batteries.
Do not use disposable AA batteries.
Battery replacement
To insert and remove the batteries:
1. Push the rear side of the handset upward.
2. Insert or remove the batteries.
Battery charging
Comply with the following:
• Charge the batteries for at least 14 hours before using the handset for the
first time.
553-A0080