Chapter 2 — Scanning with the SG20T
12
SG20T Tethered Scanner User’s Guide
Understanding the Beeps
The SG20T also beeps to give you audio feedback when performing
some functions. For example, you hear a beep each time you scan a
valid bar code.
Scanning Bar Codes
The SG20T contains either a 1D imager (SG20T1D), a 2D imager
(SG20T2D or SG20T2DHC) or high performance 2D imager
(SG20THP or SG20THC)
to scan bar code data. The type of scan
engine you are using and the type of bar code you are decoding
determines the way you scan the bar code.
When you unpack the SG20T, these bar code symbologies are enabled:
•
Code 39
•
Code 128 / GS1-128
•
EAN/UPC
•
PDF417 (all models except SG20T1D)
•
DataMatrix (all models except SG20T1D)
Default SG20T Beep Descriptions
Beep Sequence
What it Means
Two beeps
Power-up
Single beep
The scanner successfully scanned a bar code.
Two fast beeps
Configuration bar code successfully scanned
Six very fast beeps Transmission error
OR
Configuration bar code was not accepted
For the
SG20THP and SG20THPHC
do not look directly into the
window area or at a reflection of the laser framing beam while
scanning. Long-term exposure to the laser framing beam can
damage your vision.
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