20
2.5 CONTROL SYSTEM
The control system allows the user to monitor the most important measures of the transmitter, voltage
and current of the power supply, temperature of the RF board, forward and reflected power, by using
the two keys placed on the frontal panel. The turn-on key allows to turn on and off the transmitter.
In case one of the monitored measures is in alarm, the transmitter will show this. If the value of the
measure goes back to normal, the control system will turn on the transmitter again.
After 5 cycles of turning on and off the transmitter will be kept switched off until the user turns it off.
Meaning of the LEDs
- LED
ON
: The LED ON is lit when the turn-on command of the transmitter is inserted.
- LED
REMOTE
: the LED REMOTE is lit when the remote commands have been enabled by the
telemeasuring connector or when the transmitter is controlled trough the RS232 port.
- LED
ALARM
: the LED ALARM is lit when the transmitter has been turned off due to a failure.
2.6 PREVENTIVE MAINTENANCE
To ensure maximum performance and minimum repair trouble, we strongly recommend you to follow
the below stated headlines for preventive maintenance:
1. check antenna installation and ground connection at regular intervals;
2. keep your apparatus clean and dry externally: this will ensure continuous functioning of the front
panel controls;
3. if the apparatus has not been used for a long period of time combined with exposure to extreme
environmental conditions, open the unit and make a visual inspection.
Remove salt, water or ice with a moist cloth before turning the apparatus on. Check that the cooling fans
are running freely.
4. for general maintenance and top performance, call an authorized service technical to give the appara-
tus and the complete antenna/earth connection installation a general check each 12-18 months;
5. check at regular intervals that the air intake located on the front panel is free of dust. If there is visible
dust, remove it by means of a soft brush.
Содержание AUTV/250LD
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