Comelit MT SB 01 - U21 How to Activate (MASTER) or Deactivate (SLAVE) the

MT SB 01
MT SB 0133
E N
When the secondary switchboard receives a call from
the main switchboard:
CALL FOR
SWITCHBOARD
- to answer the call coming from the main
switchboard, lift the handset;
- to end the conversation, hang up the handset.
U20 How to answer a call from the main
switchboard to the secondary switchboard
(available from R.I.006)
When using 2 main switchboards congured in series
(see page 86), use one of the following methods:
• press the A/V key on the active switchboard
(MASTER), the following screen will appear:
* 1- MASTER
2 - SLAVE
- press 2 to deactivate it (SLAVE).
The switchboard will switch off, while the other
switchboard will switch on automatically to become
the MASTER.
or
• press ON/OFF on the deactivated switchboard
(SLAVE) to switch it on.
- press the A/V key and the following screen will
appear:
* 1- MASTER
2 - SLAVE
- press 1 to conrm that you wish to activate the
switchboard (MASTER).
- press ESC repeatedly to return to the main
screen.
The other switchboard will be deactivated
automatically, to become the SLAVE.
U21 How to activate (MASTER) or deactivate
(SLAVE) the main switchboards
(available from R.I.006)