Error Detection; Data Receiving Control; Buffering - Citizen iDP-3310 User Manual

7.3.3 Error Detection

Parity, framing, and overrun are detected. On detection of any error, the data are canceled.
(1) Framing error
With "Space" state having been detected on detection of a stop bit, error takes Space.
The data are canceled.
(2) Parity error
With an error having been detected under specifying parity check, the data is canceled.
(3) Overrun error
On detection of an overrun error, the data are canceled.

7.3.4 Data Receiving Control

If the DTR signal is a "Space", the data can be received from the host side, but if it is a "Mark", the data cannot
be received.

7.3.5 Buffering

The DTR signal is available as a control signal for transferring the data to the input buffer. (See the page 27,
7.3.1-(2))
Normal print mode
Capable of buffering the 250-byte data.
Repeat print mode
Capable of buffering the 1 k-byte data. If the data exceeds 1 k-byte, the preceding 1 kbyte data will be
printed repeatedly.
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iDP3310 User's Manual
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