Spectrum Controls InView Series User Manual page 80

4-16 Chapter 4: InView Protocol
Beg of
ADDR
Frame
: FF
NOTE
Beg of
ADDR
Frame
: FF
User's Manual 0300277-02 Rev. D
The Clearing Memory string may be required prior to the
NOTE
downloading of messages.
Transmission is as follows:
Transmission for Clearing Display Memory
H.O
FUNC
ADDR
01 00
See InView Display Communication Protocol Functions and Descriptions
on for further explanation of the InView sign protocol being used.
Response: NONE
Clear the Message Queue using Modbus ASCII in Broadcast Mode
(Recommended)
The display uses a message queue for all currently running messages on the
display. This command is used to remove all currently running messages being
displayed on all displays. This is also required when switching between priority
messages and add/remove messages modes of operation.
Transmission is as follows:
Transmission for Clearing the Message Queue with 06 Frame Broadcast
H.O
FUNC
ADDR
06 00
Response: NONE
Clear the Message Queue using Modbus ASCII in Guaranteed
Mode
The following transmission is used to remove all currently running messages on a
specific display address. For example, clearing all messages being displayed for
display address 001:
Transmission is as follows:
L.O
DATA
ADDR
64 ^AZ00^BE$^D
L.O
DATA
ADDR
65 FFFF
Ready to rec.
EOF
response
CR LF
Ready to
LRC
EOF rec.
Error
response
98 CR LF