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2 Operation
2.1 Operational Modes
The Alphatron SSRS display unit has four different operational modes.
Figure 12: Normal Mode, Idle.
Press and hold the CONTROL rotary button for 5 seconds, to switch between modes.
Note Keep the button depressed to advance to the next mode. The mode will change every 5 seconds.
2.1.1 Normal Mode
When the Alphatron SSRS is first started it will start in the normal mode. When in this mode the unit will idle until a horn
signal is detected. Detected horns are audible from the speaker and indicate the direction of the source of the signal.
Within the first 3 seconds of detection an 80 degree arch will light up in orange, while the center of the arch is lit in red.
After having been on for 3 seconds the red light remains active. Multiple indications can be active at once. The indication
pointer will remain for a configurable amount of time (7 seconds by default), after the detection is finished. The indication
pointer configuration time can be altered within the web interface.
The light behind the CONTROL button is off when the unit is in this mode.
The volume and lighting can be adjusted. To adjust the volume or lighting, perform the following actions:
1. Press the CONTROL button until the option you wish to adjust is orange.
2. Rotate the CONTROL button to observe the volume or dimmer changes.
Note The active adjustment line is lit up orange and the inactive line is lit up green. This is also indicated by
the lights on the left of the control button.
14 | Operation
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