26
Siemens Building Technologies
Fire & Security Products
19.05.2003
4.5
Connections and Controls
4.5.1
Connections
Power Input
Connect the supplied AC power cord to the AC input connector. ENSURE THAT THE
SYSTEM IS EARTHED! Ensure all connections are completed before applying power
to the monitor.
Video Input and Loop-through Terminals
Input terminals and loop-through terminals are for the input and loop through of one
composite video signal. The monitor IMPEDANCE SWITCH must be switched to Hi-Z
when a 75 O terminated device is connected to the output.
4.5.2
Controls
Power Switch
Press to turn the monitor ON; press again to turn the monitor OFF.
Power Indication
The green LED indicates when the power is turned ON.
Contrast Control
Turn the control in the appropriate direction to adjust the picture contrast.
Brightness Control
Turn the control in the appropriate direction to adjust the picture brightness.
Tint Control
Turn the control in the appropriate direction to adjust the picture tint on NTSC systems
only.
Colour Control
Turn the control in the appropriate direction to adjust the picture color.
Sharpness Control
Turn the control in the appropriate direction to adjust the sharpness of the picture.
Audio Volume Control
Manual adjustment of the audio volume.
Video / S-Y/C Selector Switch
Manual selection of the input between composite video or S-Y/C.
Audio 1 / Audio 2 Selector Switch (CMCC1725 & CMCC2120)
Manual selection of the audio inputs.
Under scan Selector Switch (CMCC2120)
For the selection of the complete video picture.
16:9 Aspect Selector Switch (CMCC2120)
For the selection of 16:9 aspect ratio when required.
