User's Manual

AT71-250 Transmitter Owner’s Manual

Annex A – AT71-250 Operational Software

1. Introduction

The DTV transmitter AT71-250 provisions: (a) measurements, (b) configurations, (c) alarms, and (d)

remote control via microcontrollers.

Below is a detailed description about the operational software (configuration and operation) system

installed in the AT71-250, located within the AT8001 exciter.

Figure 4 AT8001

AT8001 Exciter – Front Panel.

2. Digital Exciter – The Master Control Unit

2.1 Keypad

(1) Moves the arrow UP to the next function shown on LCD screen

(2) Moves the arrow to the next RIGHT position

(3) Moves the arrow DOWN to the next function shown on LCD screen

(4) Moves the arrow to the next LEFT position

(5) ENTER – Confirms the chosen selection