Datalogic TC1200, Reference Manual

Page: 127 / 160

REFERENCES
115
5
Enable Character
Specifies the value of the RS232 host command used to enable the reader. Selections: a
character from NUL (0x00) to DEL (0x7F).
NOTE
The Enable Character must be different from the Disable Character and
must not contain reserved characters (see
Appendix D ). 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
has been set as 7 Data Bits.
To set this feature:
1.
Determine the desired character. A setting of 0xFF indicates the Enable Character is not
used (not available).
2. Use the Chart in Appendix C to find the hex equivalent for the desired character.
3. Go to page 39 and scan the ENTER/EXIT PROGRAMMING MODE barcode to enter
Programming Mode.
4. Scan the barcode: SELECT DEVICE ENABLE CHARACTER.
5. Scan the two hex equivalent characters from the keypad in
Appendix B that represent the
desired character in step 1 above.
6. Scan the ENTER/EXIT PROGRAMMING MODE barcode to exit Programming Mode.
This completes the procedure.
ACK NAK Options
This enables/disables the ability of the reader to support the RS232 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:

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