Maintenance

See also:

“Information� screen
...

Electronic key battery
Replace the battery with a new one if it is depleted.  - You will need the following items: • Flathead screwdriver • Small Phillips-head screwdriver • Lithium battery (CR1632)  - ...

Call waiting
When a call is interrupted by an incoming call from a third party, the fol- lowing options will become available: • Answer the incoming call: Press the off-hook switch. (Press the off- hook switc ...