Installation Manual Part 7

FCC 10: CDG-ARTU EXHIBIT C
MAGNASTAR C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM
6) Perfonn Initial PA Equalization - This command perfo~ an equalization of the transmitter path. This
command is required prior to every transmit and is automatically perfonned when the transmit
CW or QAM commands are used.
7) Perfonn P A Equalization Update - This command performs an equalization of the transmitter path while
the ARTU is transmitting. This command is equivalent to a digital ALC loop for the transmitter.
This command is automatically perfonned when the transmit CW or QAM commands are used.
8) FAN Control (On/Auto) - This command can be used to turn the fan located on the ARTU Mounting
Tray Fan to the "ON" condition. It can also be used to place the control of the fan in an automatic
mode of operation in which the ARTU determines when the fan should operate. The ARTU bas
an internal temperature sensor which it uses to determine when to operate the fan. The fan should
normally operate when the temperature outside the ARTU is slightly below room temperature.
The ARTU will also operate anytime the ARTU is in a Boot mode of operation.
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: 8 - r- C~trol (~/A1Ito) :
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The MMT RF Test Menu.
Figure 9.3.3.2.'
RevB
9-28