Abus Terxon PSTN Installation Instructions Manual page 50

Press the
"DIALLING", which indicate the respective modes.
To change to pulse dialling, press the
are displayed alternately.
Press the
Confirm by pressing
display.
Press again to show the display for further programming.
Press to end data entry.
key. The display changes between "TONE" and
key again to display automatic mode recognition.
. The following message is shown in the
TONE
DIALLING
key. PULSE and DIALLING
PULSE
DIALLING
AUTOMATIC
DIALLING
ENT 1-4
READY
50