PSC 8100 User Manual

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The Volume/Tone Push Button also performs multiple functions depending 
upon the duration of time it is pressed:

Field Replace-
able Unit (FRU) 
Warning (Error 
Mode)

Audible low tone 1 second.
Alternating Green/Yellow LED 
flashes continuously.

Serves notice that a fatal FRU failure 
has been detected. If a low tone is 
heard, but continuous flashing is not 
observed, the scanner can still func-
tion in a limited capacity. Call systems 
support for service in either case.

FRU Indication 

Green LED flashes a coded 
sequence in concert with the 
speaker.

Occurs ONLY upon Volume/Tone but-
ton push following a FRU warning. 
Enables service technicians to identify 
FRU failures.

a. Certain functions of the Green and Yellow LEDs are selectable to be enabled or disabled. 

Your scanner may not be programmed to display all indications.

Momentary 
(when scanner is 
asleep)

Wakes scanner from 
Sleep Mode

Alternatively, the scanner can be awakened 
by:
- Moving an object through the scan zone.
- A weight change on the scale.
- Scanning with an attached auxiliary scanner.

Momentary 
(when scanner is 
awake)

Increments volume

Press the push button momentarily to 
increase speaker volume. When the loudest 
volume is reached, a repeated press of the 
push button cycles volume back to the lowest 
setting, then volume increases on subsequent 
press(es). Five volume levels are available.