RS-232 REMOTE CONTROL PROTOCOL
WORLD HEADQUARTERS
55 Cabot Court
Hauppauge, NY 11788
TEL: (631) 273-0404 FAX: (631) 273-1638
WWW: http://www.commspecial.com
EMAIL: info@commspecial.com
Communications Specialties Pte Ltd
Serving the Asia Pacific Region
100 Beach Road
#22-09 Shaw Tower
Singapore 189702
TEL: +65 6391 8790 FAX: +65 6396 0138
email: csiasia@commspecial.com
Copyright © 2002
–
P/N 121510 Rev. D
Deuce HD RS-232 Protocol
  Communications Specialties - Deuce HD Manual
Communications Specialties, Inc.
55 Cabot Court
Hauppauge, NY 11788 USA
TEL: (631) 273-0404
FAX: (631) 273-1638
WWW: http://www.commspecial.com
EMAIL: info@commspecial.com
CONTENTS
Introduction ................................................................................ 2
Operation ................................................................................. 2-3
Remote Command Table ............................................................ 4
INTRODUCTION
Communications Specialties Pte Ltd
100 Beach Road
#22-09 Shaw Tower
Singapore 189702
TEL: +65 6391 8790
FAX: +65 6396 0138
EMAIL: csiasia@commspecial.com
Thank you for purchasing Deuce
HD. This manual only includes
information regarding the RS-232 Remote Control Protocol for Deuce
HD. For complete operating instructions, please refer to the User’s
Manual that came with your unit.
Should you need to contact us for support, our office is open
Monday through Friday, from 8:30 AM to 5:00 PM Eastern Time.
We also offer a comprehensive web site for your added conve-
nience.
Thank you for choosing Deuce HD. As always, we welcome
your comments and suggestions.
OPERATION
COMMUNICATION
PARAMETERS
n
n
n
n
9600 Baud
8 data bits, no parity, 1 stop bit
Generic TTY
No flow control
Figure 1. Deuce HD RS-232 Remote
to Computer Cable Connection
Figure 2. Deuce HD RS-232
Remote Rear Panel Receptacle
COMMAND FORMATS:
All commands are case insensitive. Illegal commands, or com-
mands with illegal parameters, have no effect. In such instances, the
unit will return an error message.
Please note that a carriage return is a carriage return only and not
a carriage return with a line feed.
Page 2
Deuce HD RS-232 Protocol
  Communications Specialties - Deuce HD Manual
COMMAND SYNTAX
TO UNIT:
The following table lists the syntax for the user remote protocol
commands.
COMMAND DESCRIPTION
Write Command no parameters
with data
Read Command no parameters
Where:
↵
= carriage return, no line feed
xx = two letter command
zz = data from 1 to 3 digits in decimal
SYNTAX
xx:,↵
xx:,zz↵
xx:↵
RESPONSE SYNTAX BACK
FROM UNIT:
The table below lists the possible responses back from the Deuce HD.
RESPONSE DESCRIPTION
Welcome message
Hardware Failure
Good command, no data back
Good command, data back
Parameter out of range
Syntax error
Not valid with current state
Communication error during
reception of command
Timing error -- previous
command not yet serviced
Hardware error
SYNTAX
↵unit
title version compile
date compile time↵>
↵Hardware
Failure↵>
↵>
↵xx:=zz↵>
↵E2↵>
↵E3↵>
↵E4↵>
↵E5↵>
↵E6↵>
↵E7↵>
Unrecognized 2-letter command
↵E1↵>
Where:
↵
= carriage return, no line feed
xx = two letter command
zz = data from 1 to 3 digits in decimal
EXAMPLE COMMAND:
To unlock the front panel, send the following:
The unit will send back:
To read whether the front panel is locked, send:
The unit will reply with:
Deuce HD RS-232 Protocol
lk:,0↵
↵
>
lk:↵
↵lk:=0↵>
Page 3
  Communications Specialties - Deuce HD Manual
USER REMOTE COMMANDS:
All commands that are available to the Deuce HD user are listed in the
User Command Remote Table, shown below:
User Remote Command Table
Two Letter
Command
Name
sr
is
Parameter
1
N/A
2
0
1
2
Description
System reset to factory defaults
Input source Composite Video
Input source S-Video
Input source Y-C
B
-C
R
Output format 1280 x 1024
Output format 1366 x 768
Output format 480p
Output format 720p
Output format 1080p
Aspect Ratio 16:9 to 16:9 display
Aspect Ratio 4:3 source to full screen
Aspect Ratio 4:3 source to 4:3 in
16:9 display
Unlock front panel
Lock front panel
LED test mode off
LED test mode on
Returns unit model name with
firmware version number, date
and time in the following format:
Deuce HD Version 1.4, Aug 23
2000, 17:27:08
Output type RGBHV
Output type RGBS
Output type Y-C
B
-C
R
Input format NTSC
Input format PAL
No input signal
Available
Commands
write only
read and write
Factory
Default
Value
-
0
of
0
1
2
3
4
read and write
3
ar
0
1
3
2
3
read and write
1
lk
lt
vn
0
1
0
1
N/A
2
read and write
read and write
read only
0
0
-
ot
0
1
2
read only
-
in
0
1
2
read only
-
1. All numbers are in decimal
2. N/A = not applicable
3. Not available with PAL input to 480p output
Page 4
Deuce HD RS-232 Protocol