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User's Manual | ACOM 04AT | Remote Automatic Antenna Tuner and Switch
6.2.2.
ATU Status ....................................................................................................................... 57
6.2.3.
Deletion of Individual or Group of Stored Tuning settings .............................................. 57
6.2.4.
Erasing the Whole NON-Volatile Memory ....................................................................... 58
6.2.5.
Checking the Resource Used for the Current Tuning ...................................................... 58
6.2.6.
Dumping the NON-Volatile Memory in a File on a PC ..................................................... 58
6.2.7.
6.2.8.
Aging and Refreshing of Settings ..................................................................................... 61
6.3. Overview of TUNING SETTINGS and Resources Used ................................................................... 62
6.4. Measurements in the Tuner - ATU MEASURE Menu .................................................................... 63
6.4.1.
Voltage and Current at the Antenna Output ................................................................... 64
6.4.2.
Reflected Power, Forward Power and SWR at Antenna Output ..................................... 64
6.4.3.
Power Supply Voltage and Temperature in the Tuner Unit ............................................ 64
6.4.4.
Tuner Working Hours....................................................................................................... 64
7.
MAINTENANCE ........................................................................................................................................ 65
7.1. Periodic Maintenance ................................................................................................................... 65
7.2. Cleaning ......................................................................................................................................... 65
7.3. Fuse Replacement ......................................................................................................................... 65
7.4. Block Diagram and Principle of Operation .................................................................................... 68
7.5. Troubleshooting - Monitoring the Antenna-feeder Path Status ................................................... 72
8.
SPECIFICATIONS ....................................................................................................................................... 74
8.1. Parameters .................................................................................................................................... 74
8.1.1.
Operating Frequency Range ............................................................................................ 74
8.1.2.
8.1.3.
Maximum Allowed Input Power ...................................................................................... 74
8.1.4.
RF Input Characteristics ................................................................................................... 74
8.1.5.
Antenna Outputs Characteristics, Antenna 1 to Antenna 4 ............................................ 75
8.1.6.
Full Tuning Duration (Basic Cycle) ................................................................................... 75
8.1.7.
Input Signal Needed to Prepare User Tuning Settings .................................................... 75
8.1.8.
Power Supply ................................................................................................................... 75
8.1.9.
Remote Control ............................................................................................................... 75
8.1.10. Maximum Length of the Input Coaxial Cable .................................................................. 75
8.1.12. Operating Environment ................................................................................................... 76
October 2023
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