High Resolution VGA and Macintosh
®
Computer-to-Video Scan Converter
RS-232 REMOTE CONTROL PROTOCOL
Second Edition
October, 1999
WORLD HEADQUARTERS
55 Cabot Court
Hauppauge, NY 11788 USA
TEL: (631) 273-0404 FAX:(631) 273-1638
WWW: http://www.commspecial.com
EMAIL: info@commspecial.com
Singapore Representative Office
7500A Beach Road
#15-314 The Plaza
Singapore 199591
TEL: +65 293 0258
FAX: +65 293 1538
EMAIL: csiasia@commspecial.com
Copyright
1999
P/N 121013 Rev.B
Scan Do
®
Select RS-232 Protocol
Page 1
  Communications Specialties - Scan Do Select Manual
CONTENTS
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
CSI Asia
(Singapore Representative Office):
7500A Beach Road
#15-314 The Plaza
Singapore 199591
TEL: +65 293 0258
FAX: +65 293 1538
EMAIL: csiasia@commspecial.com
Introduction ........................................................................................ 2
Operation ............................................................................................ 2
Communication Parameters ......................................................... 2
Command Formats ....................................................................... 3
Remote Command Table ............................................................. 4
INTRODUCTION
T
hank you for purchasing
Scan Do Select,
the amazingly affordable,
high-performance, computer-to-video scan converter. This manual
only includes information regarding the RS-232 Remote Control
Protocol for Scan Do Select. 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 convenience.
Thank you for choosing Scan Do Select. As always, we welcome your
comments and suggestions.
OPERATION
COMMUNICATION
PARAMETERS:
!
!
!
!
9600 Baud
8 data bits, no parity, 1 stop bit
Generic TTY
No flow control
1
1 - Ground
2 - Receive Data
3 - Transmit Data
Transmit Data
Receive Data
Ground
3
2
1
2
3
4
5
6
7
8
9
RS-232 female cable connector
To Select Rear Panel
DB-9 Female
F
IGURE
1: RS-232 M
ALE
R
ECEPTACLE
To Computer Com Port
F
IGURE
2: S
CAN
D
O
S
ELECT
RS-232
R
EMOTE TO
C
OMPUTER
C
ABLE
C
ONNECTION
Page 2
Scan Do
®
Select RS-232 Protocol
  Communications Specialties - Scan Do Select Manual
COMMAND FORMATS:
All commands are case insensitive. Illegal commands, or commands
with illegal parameters have no effect. The unit will return “Unknown
Cmd”. A failed write command will send back “-1”.
Please note that a carriage return is a carriage return only and not a
carriage return with a line feed.
Write Format for Commands
with
Parameters:
<two_letter_command_name>:,<parameter> <carriage_return>
For example, send the following command to set the zoom to 1.6x.
zm:,3↵
Sending <two_letter_command_name>:,<carriage_return> without
the parameter will set the command to parameter 0.
Write Format for Commands
without
Parameters:
<two_letter_command_name><carriage_return>
As an example, reset to the factory defaults by sending the following
command:
re↵
Read Format:
<two_letter_command_name>:<carriage_return>
returns
<two_letter_command_name>:=<parameter_value>
For instance, read the zoom setting by sending the following read
command: zm:↵
The unit will send back the following message: zm:=3
The read only command, fm, which reads the unit’s firmware version
is the only command that does not return the information in the format
listed above. It returns the model name and the firmware’s version
number, date and time. See the Remote Command Table for more details.
Commands that do not have parameters and the four jump commands
(jl, jr, ju, jd) cannot be read. Trying to read these commands will return
the “Unknown Cmd” message.
Scan Do
®
Select RS-232 Protocol
Page 3
  Communications Specialties - Scan Do Select Manual
REMOTE COMMAND
TABLE:
Two letter
command name
re
vd
hd
pl
pr
pu
pd
jl
jr
ju
jd
qd
Parameter
N/A
N/A
N/A
N/A
N/A
N/A
N/A
1 to 999
1 to 999
1 to 999
1 to 999
0
1
2
3
0
1
2
3
4
0
1
2
3
4
0
1
0
1
0
1
N/A
Description
System reset to factory defaults
Vertical default
Horizontal default
Pan left
Pan right
Pan up
Pan down
Jump left by X pans
Jump right by X pans
Jump up by X pans
Jump down by X pans
Move to upper right quadrant
Move to upper left quadrant
Move to lower left quadrant
Move to lower right quadrant
Zoom 0.85x
Zoom 1.0x
Zoom 1.3x
Zoom 1.6x
Zoom 2.0x
No antiflicker
Antiflicker level 1
Antiflicker level 2
Antiflicker level 3
Maximum antiflicker
Unlock front panel
Lock front panel
Test mode off
Test mode on
Freeze disabled
Freeze enabled
Returns unit model name
with firmware version number, date
and time in the following format.
Scan Do Select Version 1.4,
Sep 7 1999, 10:58:23
Output format NTSC
Output format PAL
Input format VGA 640 x 400
Input format VGA 640 x 480
Input format VGA 800 x 600
Input format MAC 832 x 624
Input format VGA 800 x 600, 72 Hz
Input format VGA 1024 x 768
Input format VGA 1152 x 864
Input format SUN 1152 x 900
Input format VGA 1280 x 1024
Input format VGA 1280 x 1024
Input format Input Error
Available
commands
write only
write only
write only
write only
write only
write only
write only
write only
write only
write only
write only
read and write
zm
read and write
af
read and write
lk
te
fz
fm
read and write
read and write
read and write
read only
ot
in
0
1
0
1
2
3
4
5
6
7
8
9
a
read only
read only
Page 4
Scan Do
®
Select RS-232 Protocol