1. OPERATIONAL OVERVIEW
1-105
1.53 Icing Prevention
You can rotate the antenna (24 rpm) without transmission to keep the antenna from
freezing.
1. Open the menu.
2. Select [9 INITIAL SETTINGS].
3. Select [5 OPERATION].
4. Select [7 ICING PREVENTION].
5. Select [ON] or [OFF] as appropriate. If you select [ON], the message "Rotate An-
tenna to Prevent Icing." appears at the bottom of the screen.
6. Click [Start Antenna Rotation] to rotate the antenna without transmission. The
message changes to read "Antenna Rotating,No TX.".
To stop the antenna rotation, left-click [Stop Antenna Rotation].
With this feature active and the antenna stopped, pushing the STBY TX key on the
Control Unit or click the [STBY TX] button on the Status bar rotates the antenna and
transmits pulses. Operating one of the above-mentioned controls again stops trans-
mission but the antenna rotates.
When the antenna stops
When the antenna rotates
Rotate Antenna to Prevent Icing.
Start Antenna Rotation
Antenna Rotating,No TX.
Stop Antenna Rotation
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