Flow Control - Christie Boxer 30 Technical Reference

Error code Description
101 Control not found
102 Subcontrol not found
103 Wrong control type
104 Invalid value

Flow control

Normally messages can be sent to the projector before processing of earlier messages is complete—
Boxer 30 stores messages in a buffer until ready to process. However, if a series of messages is sent,
Boxer 30 may not be able to process them as fast as they arrive and the buffer becomes full.
If this happens, Boxer 30 sends the 13h (Xoff) code to instruct the controller (or any devices
preparing to transmit) to cease transmission. At this point, the controller must respond immediately
and send no more than 10 extra characters or they may be lost (such as, Boxer 30 can accommodate
the receipt of up to 10 more bytes after it sends 13h (Xoff)). When the buffer is once again available,
Boxer 30 sends a 11h (Xon) command to resume transmission.
Xon and Xoff controls apply to both directions of communication. Boxer 30 does not send more than
three characters after it has received a 13h (Xoff) code.
Boxer 30 Technical Reference–Serial API Commands
020-102096-08 Rev. 1 (08-2020)
Copyright © 2020 Christie Digital Systems USA, Inc. All rights reserved.
Communicating with Boxer 30
Error code Description
115 Not implemented
116 Invalid security
117 Invalid access group
118 System busy - Try again later
14