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RS232C CONTROL
CONNECTION
Connect a 9-pin D-SUB cable (sold separately) from the
RS232C terminal on the rear panel to the computer serial
connector.
Setting the Data Transmission Speed
After the connection is made, set the data transmission speed in
the (RS232C SET) menu (see page 25).
INTERFACE SPECIFICATIONS
For the RS232C terminal specifications, refer to page 4.
DATA FORMAT
Mode Asynchronous
Character length 8 bits
Data transmission
speed
2400, 4800, 9600, 19200 bps
(set in the (RS232C SET) menu)
Parity check None
Stop bit One bit
TRANSMISSION PROTOCOL
The transmission is based on 1 byte units. After the computer
has transmitted 1 byte, it will wait for an answer from this unit,
then send the following byte of data.
The command ON (F6) is sent to start, and the command OFF
(F7) is sent to finish. This unit will receive the commands, and
will reply to each command by ACK (OA). (Refer to “COMMAND
TABLE 4” on page 31.)
COMMANDS
COMMANDS AVAILABLE FROM THE
COMPUTER
1-8 (90-97)
To select the picture from a camera to be displayed full screen.
QUAD (83)
To display a quad screen.
SEQUENCE (87)
In full screen mode, the display will be switched in order,
automatically.
In quad screen mode, the display will switch between quad
screen A and B automatically.
ZOOM (85)
To zoom a picture in quad screen.
STILL (86)
To freeze a picture in quad screen.
LIVE (80)
To select the live input mode.
VCR (81)
To select the VCR playback input mode.
MENU (74)
To display the menu or switch to the next menu.
+ (65), – (66)
To select settings for the menu items (ON/OFF, etc.)
« (63), 2 (64)
To change selection in the menus. (To move the cursor right,
down.)
NEXT (75)
To switch to the sub-menus.
EXIT (76)
To go to the next menu, or to exit the menu mode.
MENU RESET (E1)
To reset all the values of the displayed menu to the default
values.
CLOCK ADJUST (E0)
To reset the clock minutes and seconds setting to 00:00.
SECURITY LOCK ON (69)
To set the security lock.
SECURITY LOCK OFF (6A)
To cancel the security lock.
Computer
RS232C
CONTROL
9-pin D-SUB cable
(sold separately)
RC
C
SW
C
AL
C12345678
L8QR5/XE (VQC-801P, VQM-801P GB) 1999. 12. 2
28 English