Fujitsu PSN 900 Plus Operating Manual page 19

depending on your need. If it is enabled, you can click the "+" or "-" button or drag
the slider to increase or decrease the volume. You can carry out audition by clicking
the test button. If the System Beeps is disabled or the beep volume is 0, there will
be no beeps during card swiping, recognition or local alarms.
6) Screen Backlight:
Click the LCD Backlight button to enter the following screen:
You can follow screen prompts to click the "+" or "-" button or drag the slider to
increase or decrease the screen brightness, which is recommended to be 03 or less.
The default brightness of the screen backlight is 03.
7) System Information:
You can click the System Info button to check system settings.
8）Identify Mode
Click the Identify Mode button to enter the following screen. You can select the
Single-Hand Recognition or Arbitrary-Hand Recognition.
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