Wait for the dial tone.
Press the RD button.
The unit will redial the last dialled number automatically.
HOLD button
When ST100-L is connected directly to the trunk line you have to press the
HOLD button in order to put a call on hold. When, instead, ST100-L is
connected to a PBX you have to press the FLASH button.
Initial situation: conversation in progress over the trunk line.
Press the HOLD button to put the trunk line on hold.
The outside line will still be retained just listening to music, so the other party
cannot hear your conversation.
You may replace the handset.
If the handset is not replaced press HOLD button, otherwise pick up the
handset, to go back to normal conversation.
PAUSE button
A pause (3,6 s) can be inserted into the sequence of digits (or dial string) by
using the Pause button.
Press the PAUSE button.
LCD brightness
The BRT button allows you to choose the LCD brightness (5 levels).
Lift the handset.
Press the BRT button repeatedly.
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