Ack Nak Options; Ack Character - Datalogic Gryphon 2D Series Reference Manual

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 prop-
erly, 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 ASCII Chart on
3. Scan ENTER/EXIT PROGRAMMING MODE to enter Programming Mode.
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 the table below for examples of how to set this feature.
Table 6 - ACK Character Setting Examples
STEP
1
Hex equivalent from ASCII Chart
2
on page 341
3
4
Scan two characters from
5
Appendix D
6
268
GRYPHON™ I GD/GBT/GM4500
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
NOTE: 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 page 45 has been set as 7 Data
Bits.
ter/value.
that represent the desired character/value determined above. The second charac-
ter will cause a two-beep indication.
ACTION
Desired Character/Value
Scan ENTER/EXIT PROGRAMMING MODE
Scan SELECT ACK CHARACTER SETTING
Scan ENTER/EXIT PROGRAMMING MODE
to find the hex equivalent for the desired charac-
page 341
ACK
0x06 0x24
'0' and '6' '2' and '4'
Appendix D
EXAMPLES
$ @
0x40
'4' and '0' '3' AND 'E'
,
>
0x3E