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4.6
Miscellaneous Codes
[A
(RS) = Low for the following Control Codes]
0
00h
07h
10h
14h
17h
19h
Industrial Electronic Engineers, Inc.
Van Nuys, California
04/10/02
Null
No operation. Sending a 00h to the display is viewed by software as activity, and will reset a
Screen Saver code (3Ch).
Bell/Alarm Output
Activates 160 msec drive signal for alarm tone.
Scroll Line Lock
Sets 1 or more lines to be locked out from the Vertical Scroll function using a 2 byte command
consisting of the control code 10h and a line ID.
Line ID
00h
01h
02h
FFh
Software Reset
Clears the display screen, homes the cursor and resets modes and attributes to their default
settings.
If Hardware Self–test is programmed, sending control
code 14h restarts self–test.
If Self–test was called by sending control code 3Eh,
sending control code 14h has no effect.
Set Data Bit 7 High
Sets data bit 7 high for the following data byte.
Set Address Bit 0 High
Sets address bit 0 (A
) high for the following byte only. The following byte must be a control code.
0
(In Motorola Mode, replace A
Function
Locks line 0
Locks lines 0 and 1
Locks lines 0, 1 and 2
Cancel Line Lock
Note
with RS).
0
SIZE
CODE IDENT NO.
A
05464
SCALE
N/A
S036X2–XXX–XXXXX
SHEET
N
REV
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