Honeywell Xenon 1900H Quick Start Manual page 7

Quiet Operations
The following codes configure the scanner for quiet modes that do
not disturb resting patients.
Silent Mode with Flashing LED
Scan the following bar code to completely silence the scanner. When
a bar code is scanned, the LED and aimer flash 5 times. Green
indicates a good scan, red indicates a bad scan.
Silent Mode with Flashing LED
Silent Mode with Long LED
Scan the following bar code to completely silence the scanner. When
a bar code is scanned, the LED and aimer remain solidly lit for 1
second. Green indicates a good scan, red indicates a bad scan.
Silent Mode with Long LED
Very Low Beeper (Nighttime Mode)
The following bar code programs the scanner for a very low beep.
When a bar code is scanned, the scanner emits a very soft beep.
Nighttime Mode