User`s guide

Fire GL1 Software Utilities 29
♦
Sync Polarity
: If you do not get a satisfactory display with
the default sync polarity setting for the current resolution,
you may try and change the settings.
♦
Undo
: Click this button to undo the last change you made
(when you clicked
Apply
). If you have made a modification
that causes your screen to go blank or to be unreadable, the
keyboard shortcut for ‘Undo’ is
Alt-U
.
♦
Default
: Click this button to set the
Monitor Tuning
to
the manufacturer's default settings.
Notes:
(1)
Press the
ESC
key on your keyboard to undo the changes if
your monitor has lost synchronization. You may also use the
keyboard shortcut for ‘Undo’ -
Alt-U
.
(2)
If you change the resolution (in
Settings
) and/or the
refresh rate (in
Monitor
), you may need to re-adjust the
monitor's display.