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AT71-250 Transmitter Owner's Manual
AT71-250 General Description
1. INTRODUCTION
AT71-250 is a 250W UHF ATSC Digital Broadcast Transmitter. It uses state-of-the-art
technology of transmission of the digital signal for TV broadcast. It carries an intelligent digital
control using microcontrollers, which allows for remote supervision in real time of all
transmitter functionality.
All operations of the AT71-250 is carried-out through a keypad and digital display, located on
the front panel, including access to all the readings, alarms and configurations.
The RF amplification system constitutes one drawer of up to 300W rms comes with an
independent power supply and supervision function. The FCC Mask filter is installed on the
top of the cabinet (not shown on the pictures below).
Figure 1: AT72-250 - Front View
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