I.R.I.S. IRISPen Express 6 for Mac - Manual (Page 27)

C HAPTER 4 - B ASIC PARAMETERS
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• Select the button to be programmed (left or right), then select the
operation to be executed with a single click and/or double click
(use the arrows on the right). Click OK to confirm and close the
window.
Frequent operations are proposed. The User String option can
be used to program custom operations.
None
This corresponds to a "null" operation. A single or double click will
not trigger off any action.
This option is usually used to deactivate a programmed operation.
Key sequence
This allows you to program your own key sequences, i.e.: any other
keyboard command, the addition of characters, or any combination of
all. To enter your key sequence, tick Key Sequence, click on Set, then
introduce the commands and/or characters in the proposed field and
click OK to confirm.
Switch reading mode
This allows you to program the switch to the next reading mode in the
list of reading modes available. See: Basic parameters, Selecting the
reading mode. If the current reading mode is Text, this will make you
switch to the Image reading mode.
Remember that the reading mode is always specified in the Status
window.
User String
This allows you to program the addition of a character string. To enter
your key sequence, tick User String, then introduce the character
string in the proposed field and click OK to confirm.