Printronix Online Data Validator - Manual (Page 72)

Chapter 2 Configuring the Validator
72
SN Threshold
This menu item sets the SN (signal to noise) threshold used by the
validator to discriminate between high peak noise and actual bar
code transitions. Any reflectance transitions that are below the
threshold are ignored and considered noise.
You can set the SN Threshold to a value from 5 to 199.
The default is 70.
1. Press to take the printer offline and place the printer in
Menu mode.
2. If necessary, press
↓ and ↵
at the same time to unlock the
↵
key.
3. Press until VALIDATOR displays.
4. Press
↑ until SN Threshold displays.
5. Press + or – to scroll through the values: 5 to 199.
The default is 70.
6. Press
↵
to select the desired value.
7. Press
↓ and ↵
at the same time to lock the
↵
key, then press
PAUSE to take the printer offline.
8. Press PAUSE again to put the printer online.
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