Barco PreCa 1280i User manual

BARCO PROJECTION

SYSTEMS

PreCa

1280i

RS232-C

Communication Control Commands

Date :

20.10.00

R9840700

Ver. :

– 1–

1. Command

The PRECA 1280i controlsthe receiving of various commands through a digital interface.

Commandsare written in ASCII codes, with the following structure: the first letter indicates

the action, followed by the under-bar (_), and the contents of the action.

(E.g.: “m_ ZMT t”movesthe Zoom (ring) toward the Tele side.)

The font is not case sensitive (all letters are converted to capitals internally).

The percent (%)symbol can be substituted for the under-bar (_).

2. Communication Means

Communications with the PRECA 1280ican be made through the RS-232C, Telnet or FTP.

With RS-232C and Telnet, communications are only controllable, but with FTP, image data

can also be transferred through its protocol.

Commands are made available through any of the above means (some commands,

however, may not function depending on the interface).

3. Establishing Communications

For Telnet and FTP, you must establish communications (log on) before issuing

commands. This document does not address the details of Telnet or FTP protocols. Refer

to the appropriate software Help files for information on RFC and Internet connections.

If you already have an Internet connection, you can check for Telnet and FTP accessibility

using your client software provided with Windows 2000 or 95/98/NT.

3-1:Log on with Telnet

From the windows DOS prompt, enter the Telnet IP address (e.g., Telnet

128.21.160.10) to activate the Telnet client.

If the internal server “User ID” of PRECA 1280iis set to “anonymous” under “Network

settings”in the Setup menu, logging on is automatic. But, if a user ID is set,

identification will be requested as follows:

Welcome to (Imager’s) Telnet Server: 103.009.37.0707a

530 login: Input user ID

331 Password: Input password

Log on using the user ID and password that are assigned in “Internal Server”of

“Network settings”in the Setup menu.

– 2–

When logged on, the unit displays the following message and waits for a command.

230 User logged in

Input “>s_ulon” for “upper lighting on,”and the message “200 Complete!!”

appears.

Input “s_ulof” for “upper lighting off” to log off.

As Telnet does not provide any log off command, switching off will log off

automatically.

3-2:Log in with FTP

From the windows DOS prompt, enter the FTP IP address (e.g.: ftp 128.21.160.10)

and the FTP client is activated.

As FTP always requests for identification (user ID and password), you should log on

using the user ID and password that are already assigned.

However, when the user ID is “anonymous,” any password will do.

When logging on, the following is displayed.

230 User name accepted

ftp>

Then, input “>?”.

The Windows’ FTP command list is displayed. (Note: these are not the same

commandsthat PRECA 1280i supports.)

FTP protocol is for transferring files, the PRECA 1280i enables you to exchange

ASCII commands by issuing the expansion commands.

Input “ftp>literal excm s_ulon”. The lighting on as Telnet.

“excm” is the expansion command in FTP protocol.

The Windows FTP client uses the literal command,but other FTP clients may be

different.

When logging off, input:

ftp>quit

221 Goodbye

3-3:To control with RS-232C

The client software for RS-232C is not provided for standard Windows. You should

use either free software or the computer language BASIC or C.

The communication format for the RS-232C is any format other than 9600bps, B8,

S1 and None. These are unchangeable.

– 3–

4. Command Response

4-1:Telnet

In the ASCII command system codes, “CR” (0DH) and “LF” (0AH) are added.

ASCII command CR LF

When PRECA 1280i issues the command:

If the command is established,a number code from 200 and over, and the

corresponding message are displayed.

200 Good!!>”;

200 Complete !!>”;

200 OK !!>”;

If the command is executed correctly, a number code from 500 and over,and the

corresponding message are displayed.

500 Boo!! Non supported !!>

500 Job is not completed !!>

501 Parametric Error !!>

4-2:FTP

EXCM + SP + ASCII command CR LF

SP = Space

The ASCII expansion command system adds one space (ASCII code, “CR”(0DH)

and “LF”(0AH)).

When the PRECA 1280i issues the command:

If the command is established, a number code from 200 and over, and the

corresponding message are displayed.

200 Good !!>”;

200 Complete !!>”;

200 OK !!>”;

If the command is executed correctly, a number code from 500 and over,and the

corresponding message are displayed.

500 Boo!! Non supported !!>

500 Job is not completed !!>

501 Parametric Error !!>

– 4–

4-3: RS-232C

RS-232C provides two types of command system. (To support the command system

ofprevious models.)

One adds “CR” (0DH) and “LF” (0AH) to the ASCII code, and the other adds the

control code “SOH” (01H) and “ETB” (17H).

(When you develop new software, the CR/LF command system is recommended.)

ASCII command CR LF

STX ASCII command LF

When the command is issued to PRECA 1280i:

If the command is established, “ACK” (06H) is displayed.

If the command is executed correctly, “NAK” (15H) is displayed.

In development programs, when the letter code is not received correctly, you can

change the display to ASCII letter string of OK CR/LF, NG CR/LF by issuing the

“s_RSOK” command. Once the “s_RSOK”command is issued, from then on, the

display mode is set to the OK or NG mode.

When you turn on the power to this unit, the ACK or NAK reply mode is always

selected.

– 5–

5.FTP Protocol

The FTP protocol commands that PRECA 1280i supports are shown as follows.

With respect to their functions, refer to the appropriate literature,such as RFC.

USER, PASS, QUIT, PORT, TYPE, RETR, STOR, CWD, CDUP, DELE,

NOOP, SYSE, PWD, LIST, NLST

EXCM (The ASCII expansion command)

To search for directories, connect this unit using FTP and issue the LIST command.

You will find the two directories listed below.

RAMIBOX<DIR>

CardIBox<DIR>

The RAMIBOX is a virtual directory within PRECA 1280i, and the CardIBox is a directory

on a PC card. (Image data is saved in this directory.)

The CardIBox is displayed using the List command even if a PC card is not inserted.

The CardIBox is the only directory you can access using a PC card.

The RAMIBOX has the four files shown below.

IMGFULL.jpg

IMGFULL.bmp

IMGMID.jpg

IMGMID.bmp

“IMGFULL.jpg”and “IMGFULL.bmp”are high-resolution image files (1280∗960).

“IMGMID.jpg”and “IMGMID.bmp”are intermediate resolution image files (640∗480).

These are virtually displayed and do not exist actually. The time of them are set at 0 hours

and 0 minutes.

When the “get” (RETR) command is issued from FTP protocol, image files are downloaded.

If the retrieval time setting for the file of 0 hours and 0 minutes is unacceptable, the FTP

client may require you to change the time.

You can read from and write to the PC card (CardiBox).

Image files from RAMIBOX can be read with this unit.

When BMP or JPEG filesare transferred from RAMIBOX, they are displayed on the

screen.

The size of the image to be handled should be 6 Mbytesor less.

– 6–

List of Commands

Command Function Pag

Commands for basic operation 8

m_ZMW t Move the Zoom (ring) to Wide side 8

m_ZMT t Move the Zoom (ring) to Tele side 8

m_FCN t Move the Focus (ring) to Near side 8

m_FCF t Move the Focus (ring) to Far side 8

m_AF Auto-focus 9

s_AEON Set auto-IRIS function 9

s_AEOFF Release auto-IRIS function (manual IRIS) 9

s_IR n Compensation of auto-IRIS mode 10

m_IRO t Open IRIS 10

m_IRC t Close IRIS 10

s_ULON Overhead lighting on 11

s_ULOFF Overhead lighting off 11

s_BLON Base lighting on 11

s_BLOFF Base lighting off 11

s_LOFF Overhead and base lighting off 11

Commands for setting screens

s_XGA Set CRT output to XGA output mode 11

s_SXGA Set CRT output to SXGA output mode 11

s_CRTOFF Stop CRT output 11

s_NTSC Set TV output to NTSC 12

s_PAL Set TV output to PAL 12

s_TVOFF Stop TV output 12

s_FZON Freeze the screen 12

s_FZOFF Release freeze function 12

s_EZ n Electronic zoom 13

s_SLU Electronic scroll Up 13

s_SLD Electronic scroll Down 13

s_SLL Electronic scroll Left 13

s_SLR Electronic scroll Right 13

Commands for setting quality image

m_WB White balance (metering the brightness)14

s_TONE n Change of gradation features 14

s_GAIN n Set the gain 15

– 7–

s_GNR n Set the red gain 15

s_GNG Set the green gain 15

s_GNB n Set the blue gain 15

s_SP n Set level of image sharpness 16

Commands for operating files

t_FB Set file type to Bitmap format 16

t_FJ Set file type to JPEG format 16

t_JQ n Set compression rate of JPEG image file 17

t_6 Set reading image size to 320∗240 17

t_4 Set reading image size to 640∗480 17

t_a Set reading image size to 1280∗960 17

Commands for saving activations

r_DT Transfer image to FTP server 18

r_DS Save image to PC card 18

t_FTP Transfer image data to FTP server in t-second

interval 18

t_FOF FTP transfer and stop 18

Commands for display activations

d_FIL / dir name / frame name Display frame file on PC card to CRT 19

d_NEW Return CRT output to CCD image 19

Communications related commands

w_LCA str Register of location displayed on WEB 20

r_LCA Reading of location displayed on WEB 20

s_ETHON Turn Ethernet function on 20

s_ETHOFF Turn Ethernet function off 20

s_RSOK Set reply of RS232C to ASCII character string 21

s_RSACK Set reply of RS232C to 1Byte code 21

Commands for others

date Display/change of data (Telnet only) 21

time Display/change of time (Telnet only) 21

uname Display of product name and version 22

r_VER Display of version 22

– 8–

Command: m_ZMV t Move the zoom (ring) to Wide side

m_ZMT t Move the zoom (ring) to Tele side

Functions:These commandscontrol the zoom activation.

The zoom motor is activated for the time specified, where t = time (msec).

The specified time has a different movement, depending on the position of the

zoom ring.

The minimum value of t is 34 msecs.

Command: m_FCN t Move the focus (ring) to Near side

m_FCF t Move the focus (ring) to Far side

Functions: These commandscontrol the focus activation of the lens.

The focus motor is activated for the time specified, where t= time (msec).

The specified time has a different movement, depending on the position of the

focus ring.

The minimum value of t is 67 msec.

Commands for Basic Activations

– 9–

Command: m_AF Auto-focus

Functions:This command executes the auto-focus function of this unit, for automatic

focusing on the subject.

Note: If you select zoom or auto-focus when the auto-focus is already selected,

the auto-focus will stop, and then either zoom will activate or auto-focus will re-

activate.

Command: s_AEON Set auto-IRIS

s_AEOFF Release auto-IRIS (Set manual IRIS)

Function: Thesecommandsswitch the IRIS control function alternately to auto-mode and

manual mode.

With the manual IRIS mode, the “s_IRO” / “s_IRC” command is effective.

With the auto-IRIS mode, the “s_IR n” command is effective.

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