User's Manual

13
3.2 Mounting Instructions 5 Controlling the System
4. Press the rotary knob for approximately two seconds to select the loaded
configuration
Note
If you press the rotary knob short the transmitter discards your selection.
Note
If you change the scrambling mode of a preset this is only stored temporarily.
For permanent activation resp. deactivation of scrambling use a computer and
the configuration software.
Power amplifier level
1. Press the rotary knob labelled “TUNE” for approximately two seconds
2. Turn the knob until “RF LEVEL” is shown
3. Press the knob for approximately two seconds to set the level of the power
amplifier to low or high
4. Press the rotary knob for approximately two seconds to select the loaded
configuration
Note
If you press the rotary knob short the transmitter discards your selection.
Note
By default RF power is set to high.
SYSTEM POWER SWITCH
Power on the system
Shift the switch to position “ON”. The display lights up orange during
initialisation phase. After approximately 10 seconds the display lights green.
Note
When switching on the system a valid video (and optionally audio) signal must
be present on the selected input.
Power off the system
Shift the switch to position “OFF”. The display switches off. Now the
CT6540ARINC transmitter is powered off.