10
Very Low Beeper (Nighttime Mode)
The following bar code silences the base, and sets the scanner 
for a very low beep when reading bar codes. After scanning this 
code, the base beep, base and scanner power up beep, and 
scanner linking sounds are all silenced. When a bar code is 
scanned, the scanner emits a very soft beep. 
Low Beeper (Daytime Mode)
Scan the following bar code to set all sounds to on, but at a low 
volume. The scanner beep, base beep, base and scanner power 
up beep, and scanner linking sounds are all set to low volume.