User Guide

Check your wiring
Turn on your STPro
1 Speed Touch Quick Guide
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3EC 36231 ABAA TCZZA Ed. 01
Once all connections are made the result should look similar as
below:
Once all previous steps are completed, turn on your STPro.
The AST520 is ready for service as soon as the startup
procedures are completed, the Power On Self Test (POST) is
passed and both Power/Alarm and Line Sync LEDs on the front
panel are constantly lit green.
Refer to section B.2 for more information.