Datalogic Gryphon I GPS4400, Product Reference Manual

Page: 264 / 316

References Reading Parameters
254 Gryphon™ GPS4400
Reading Parameters
Double Read Timeout
Double Read Timeout prevents a double read of the same label by setting
the minimum time allowed between reads of labels of the same symbology
and data. If the unit reads a label and sees the same label again within the
specified timeout, the second read is ignored. Double Read Timeout does
not apply to scan modes that require a trigger pull for each label read.
Follow these instructions to set this feature:
1. Determine the desired setting in milliseconds.
2. Divide the desired setting by 10 (setting is in 10ms increments). Pad
the result with leading zeros to yield three digits. For example: 0 =
000, 5 = 005, 20 = 020, etc.
3. Go to
page 62
and scan the ENTER/EXIT PROGRAMMING MODE bar code
to enter Programming Mode.
4. Scan the bar code: SET DOUBLE READ TIMEOUT SETTING.
5. Scan the appropriate three alphanumeric characters from the keypad in
Appendix D, Keypad
representing the duration which was determined in
the steps above. You will hear a two-beep indication after the last
character.
If you make a mistake before the last character, scan the CANCEL bar
code to abort and not save the entry string. You can then start again
at the beginning.
6. Scan the ENTER/EXIT PROGRAMMING MODE bar code to exit Program-
ming Mode.
See
Table 35
for some examples of how to set this feature.
Table 35. Double Read Timeout Setting Examples
STEP ACTION EXAMPLES
1 Desired Setting
50ms 150ms 1800ms (1.8 sec.) 2550ms (2.55 sec.)
2
Divide by 10 (and pad with
leading zeros)
005 015 180 255
3 Scan ENTER/EXIT PROGRAMMING MODE
4 Scan SET DOUBLE READ TIMEOUT SETTING
5
Scan Three Characters From
Appendix D, Keypad
‘0’, ‘0’ and ‘5’ ‘0’, ‘1’ and ‘5’ ‘1’, ‘8’ and ‘0’ ‘‘2’, ‘5’ and ‘5’
6 Scan ENTER/EXIT PROGRAMMING MODE