ROCWARE A20C, User Manual

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16. Backlight Key
BLC ON/OFF: Press this button to enable the
backlight compensation. Press it again to
disable the backlight compensation.
NOTE:
⚫
Effective only in auto exposure mode.
⚫
If a light behind the subject, the subject
will become dark. In this case, press the
backlight ON/OFF button. To cancel this
function, press backlight ON/OFF button.
17. PTZ Reset Key
Preset Pan/Tilt self-test.
18. Image Freezing Function
Manually freeze: Open the freezing function
after press the remote control [F4], display
“Freeze” on the left upper corner character,
after
five seconds display disappear
automatically. If you want to cancel the freeze,
press [F4] key and then can return to normal,
display “Unfreeze” on the left upper corner,
after five seconds display will disappear
automatically.
Recalling the Preset image Freeze: By the
OSD Menu
“Image Freeze” to set recalling the
preset image freeze function. After the function
is opened, the screen will stay in before
Recalling the Preset when Recalling the
Preset, the screen can be switched to the
preset position screen until the camera points
to the preset position.
19. Shortcut Set
[*]+[
＃
]+[1]: OSD menu default English
[*]+[
＃
]+[3]: OSD menu default Chinese
[*]+[
＃
]+[6]: Quickly recover the default
[*]+[
＃
]+[8]: Look the camera version
[*]+[
＃
]+[9]: Quickly set up inversion
4.5 RS-232 Interface
No. Function
1 DTR
2 DSR
3 TXD
4 GND
5 RXD
6 GND
7 IR OUT
8 NC
The correspondence between the camera and
Windows DB-9 pin:
Camera Windows DB-9
1.DTR 1.CD
2.DSR 2.RXD
3.TXD 3.TXD
4.GND 4.DTR
5.RXD 5.GND
6.GND 6.DSR
7.IR OUT 7.RTS
8.NC 8.CTS
9.RI
The correspondence between the camera and
the Mini DIN pin:
Camera Mini DIN
1.DTR 1.DTR
2.DSR 2.DSR
3.TXD 3.TXD
4.GND 4.GND
5.RXD 5.RXD
6.GND 6.GND
7.IR OUT 7.NC
8.NC 8.NC
4.6 Serial Communication Control
⚫
RS232 Communication Control
The camera is controlled via RS232. The
RS232 serial port parameters are as follows:
Baud rate: 2400/4800/9600/38400;
Starting Position: 1 bit
Data bit: 8 bits
Stop bit: 1 bit
Check digit: None
⚫
List of protocols (omitted)
The serial port of the camera follows the