Datalogic Gryphon I GD44XX Product Reference Manual page 276

References
ACK NAK Options
This enables/disables the ability of the reader to support the RS-232 ACK/
NAK protocol. When configured, the reader and/or host sends an "ACK"
when it receives data properly, and sends "NAK" when the data is in error.
Options are:
•
•
•
•
ACK Character
This setting specifies an ASCII character or hex value to be used as the ACK
character. ASCII characters or any hex value from 0 to 0xFF can be selected.
1. Determine the desired character or value.
2. Use the
3. Go to
4. Scan the bar code: SELECT ACK CHARACTER SETTING.
5. Scan the appropriate two alphanumeric characters from the keypad in
6. Scan the ENTER/EXIT PROGRAMMING MODE bar code to exit.
See Table 26
Table 26. ACK Character Setting Examples
STEP ACTION
1 Desired Character/Value
Hex equivalent from ASCII
2
Chart
3 Scan ENTER/EXIT PROGRAMMING MODE
4 Scan SELECT ACK CHARACTER SETTING
Scan Two Characters from
5
Appendix D, Keypad
6 Scan ENTER/EXIT PROGRAMMING MODE
274
Disable
Enable for label transmission — The reader expects an ACK/NAK
response from the host when a label is sent.
Enable for host-command acknowledge — The reader will respond with
ACK/NAK when the host sends a command.
Enable for label transmission and host-command acknowledge
Setting to previously defined characters such as XON, XOFF, or host
commands conflicts with normal operation of these characters. 8-bit
data is not recognized when the option
Data Bits.
ASCII Chart on the inside back cover of this manual to find the
hex equivalent for the desired character/value.
page 52 and scan ENTER/EXIT PROGRAMMING MODE to enter
Programming Mode.
Appendix D, Keypad, that represent the desired character/value in step
1 above. The second character will cause a two-beep indication.
for some examples of how to set this feature.
EXAMPLES
ACK
0x06
'0' and '6'
Data Bits
$ @
0x24 0x40
'2' and '4' '4' and '0'
Gryphon™ I GD44XX/GBT4400/GM440X
has been set as 7
>
0x3E
'3' AND 'E'