1. OPERATIONAL OVERVIEW
1-6
1.4 How to Turn the System On/Off
Normally, leave the power switches at the front of the Processor Unit on and control
the power with the power switch on a Control Unit (RCU-025, RCU-026). The monitor
unit is powered independently.
How to power the system
Push the mains switch on the Processor Unit for the "I" position. Turn on the power
switch on the Processor Unit or a Control Unit. The start-up display appears on the
screen.
After the power is applied, the program starts up and about one minute later the bear-
ing scale appears. The radar then goes into three minutes of warm-up time to warm
the magnetron, which transmits radar pulses. The timer at the center of the screen
counts the time remaining for warm-up. When the timer shows 0:00, the indication
"ST-BY" appears at the screen center. The radar is now ready to transmit radar puls-
es. In the stand-by condition, no radar pulses are transmitted and TT nor AIS is active.
The settings on the menus are stored in a non-volatile memory (hard disk) and are
preserved when the power is turned off.
Note: If the ambient temperature is less than 0°C (32°F) when the power is applied,
nothing appears on the display. This is because the heater is warming the unit. The
display appears in approx. two minutes.
How to power off the system
Press the power switch on the Processor Unit or a Control Unit. Push the Mains switch
for the "O" position.
Note: Provided that the radar was once in use with the transmitter tube (magnetron)
still warm, you can put the radar in transmit state without three minutes of warm-up. If
the Power switch was turned off by mistake or the like and you wish to restart the radar
promptly, turn on the Power switch not later than 10 seconds after power-off.
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