Ack Nak Options; Ack Character - Datalogic Touch 90 pro Product 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 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 the table below for examples of how to set this feature.
Table 5. ACK Character Setting Examples
STEP ACTION
1 Desired Character/Value
2 Hex equivalent from
3
4
Scan Two Characters from
5
Appendix D, Keypad
6
254
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 com-
mands conflicts with normal operation of these characters. 8-bit data is not
recognized when the option
NOTE
on the inside back cover of this manual to find the hex equivalent for
ASCII Chart
the desired character/value.
and scan ENTER/EXIT PROGRAMMING MODE to enter Program-
page 28
ming Mode.
that represent the desired character/value determined above. The second character will
cause a two-beep indication.
ACK
ASCII Chart 0x06
Scan ENTER/EXIT PROGRAMMING MODE
Scan SELECT ACK CHARACTER SETTING
'0' and '6'
Scan ENTER/EXIT PROGRAMMING MODE
Data Bits has been set as 7 Data Bits.
EXAMPLES
$ @
0x24 0x40
'2' and '4' '4' and '0'
RS-232 Parameters
,
Appendix D, Keypad
>
0x3E
'3' AND 'E'
Touch TD1100