3
Table of contents
General operating conditions ............................................................. 5
Device overview ................................................................................. 6
Keypad ............................................................................................... 9
Package contents ............................................................................... 9
Explosion protection - device description ........................................... 10
Characteristic data ............................................................................. 13
Identification ....................................................................................... 14
Assembly and installation .................................................................. 15
Connection diagram ........................................................................... 16
Support hook ...................................................................................... 16
Hole pattern ....................................................................................... 17
Putting into service ............................................................................ 17
Maintenance ....................................................................................... 17
Handset operation ............................................................................. 18
Open listening ................................................................................... 18
Hands-free mode ............................................................................... 18
Using the headset ............................................................................. 19
Operation ......................................................................................... 20
Receiving calls ............................................................................ 20
Making a call ................................................................................ 20
Redialling .................................................................................... 20
Making a second call ................................................................... 20
Operation with active phone lock .................................................. 20
Changing the phone settings ...................................................... 21
Signal tones ................................................................................ 21
Configuration .................................................................................... 22
Setting the ringer volume ............................................................ 22
Selecting a ringtone .................................................................... 22
Setting the handset volume ........................................................ 22
Setting the speaker volume for open listening .............................. 22
Setting the speaker volume for hands-free operation .................. 22
Setting the headset volume ........................................................ 22
Setting or deleting phone numbers for speed dialling .................. 23
Setting the call procedure ........................................................... 23
Storing or deleting a trunk access code ...................................... 23
Setting the length of pause after dialling a trunk access code ......... 23
Setting the duration of the loop current interruption (flash time)
when pushing the second call button ........................................... 24
Activating/deactivating the change lock ...................................... 24
Determine phone lock .................................................................. 24
Determine or delete a preset direct call number .......................... 24
Setting the PIN number ................................................................ 25
Restoring factory settings ............................................................ 25
Setting the procedure when disconnecting the headset .............. 25
Factory settings ................................................................................. 26
