Vertex Standard VX-2500U Service Manual page 21

Alignment
Set the transceiver to CH#2 via the "Channel" box
located upper right corner on the "Alignment"
window previously.
Set the SG output level to -7dBµ EMF with 1.5
kHz deviation.
To adjustment click the left mouse button on the
"Threshold noise SQL" then "Start" button.
Press "OK" to lock in the new data.
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