26
Chapter 3
OPERATION
3.1 Keyboard Lock/Unlock
(Hidden command)
When the user leaves the control desk, he may wish to lock the keyboard controller to prevent unauthorized
use.
Pressing
777 + Enter
will lock the keyboard controller. Pressing
777 + Enter
while the keyboard is locked
will open the password screen. If the correct password is entered, the keyboard controller will return to
normal operation.
If the power is turned OFF and ON while the keyboard is locked, it will ask for the password. Entering the
correct password will cause the keyboard controller to return to normal operation.
** If you forget your own passwords, turn off the keyboard controller, contact distributor to get 4-digit back door
password. This will change the passwords to the factory default
1111
and
9999
. Contact your service
personnel to get 4-digit back door password.
3.2 Controlling Multiplexer
Using a multiplexer allows more flexibility in the types of cameras that can be used in a full system. Dome
cameras and regular cameras can be mixed.
The keys
PIP, 2x2, 3x3, 4x4, Zoom, Set
, etc., are keys that are used to operate the multiplexer.
See Figure x for details.
3.2.1 Selecting Multiplexer
Duplexer :
Press
Macro/Menu
key to enter Multiplexer set up menu and hold down the
Enter
Key while navigating using the joystick. (
Enter+Joystick
)
Triplexer :
Push the
Jostick
to upward with
Enter
pressed
(
Enter+Joystick
)will show the Mux menu.
It will act like a mouse. Rotatingthe handle clockwise will act like the set key of the multiplexer.
Rotating counterclockwise will act like the
ESC
key of the Multiplexer.
3.2.2 Dome Camera Selection
There are three types of dome camera selection,
No.+Cam
,
No.+Main
and
Prev
or
Next
. And with these
selections, the keyboard controller has full control of the selected camera if it is a dome camera.
Single multiplexer configuration
By pressing the camera No.
1
to
16
+
Cam
, you will see the picture of the selected camera through the spot
monitor which connected to the spot output of the multiplexer.
Two multiplexer configurations
By pressing the camera No.
1
to
31 + Cam
, you can see the picture of the selected camera through the spot
monitor which is connected to the spot output of the second multiplexer.
Spot output of the first multiplexer is connected to the 16
th
camera input of the second multiplexer.
For example,
1
+
Cam
will switch the camera 1 to second multiplexer spot output. If the selected camera is
a dome, the keyboard controller has control of it, and you can control all functions of the selected camera
using the keyboard controller.
Pressing the
Next
or
Prev
keys will scroll through all connected dome cameras and display them on the
Spot output.
Viewing full screen mode (
m + Mux
,
n + Main
)
