Sopho ErgoLine D340 - Using a Function Key to Activate or Deactivate a Function; Using a Speeddial Key During a Call

Setting up and using memory keys
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Using a function key to activate or deactivate a function
If a memory key has a function allocated to it, its LED
will be lit, indicating that the function is active. Press
the function key to toggle the function on and off
Note: If this function has been programmed under the
second level of the key, the LED will not light
Using a speeddial key during a call
If there is already a call on hold, you cannot use this facility
During a connection press a memory key which is
programmed for speed dialling.
This puts the original call on hold and dials the speed
dial number
Note: This will only work if one keystroke call setup
is on. See the section Toggling features on and off