switel DC 611 Mode D'emploi page 179

Setting the telephone
Setting the Dial mode
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In most situations the "Tone" option should be selected.
Setting the Recall Time
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The recall time for access to analogue telephone networks is
typically 100 ms. The recall time for systems in France is typically
250 ms.
Press the Menu/OK key.
Select Settings and press
Menu/OK.
Select Base Settings and press
Menu/OK.
Select Dial mode and press
Menu/OK.
Select Tone or Pulse
and confirm with Menu/OK.
Press the Menu/OK key.
Select Settings and press
Menu/OK.
Select Base Settings and press
Menu/OK.
Select Recall time and press
Menu/OK.
Select one of the settings and confirm
with Menu/OK.
GB
33