Vertex Standard VX-2500U Service Manual page 16

Alignment
Move the Slide bar, as needed, to set the power
output to the following specification, as indicated
on the external wattmeter.
TX Power (High): 25[W] (±0.5W)
When the 25Watt level is attained, press the "OK"
box to lock in the new data.
TX Power (Low)
This parameter is used to align TX Low power.
Set the transceiver to CH#1 via the "Channel" box
located upper right corner on the "Alignment"
window previously.
To adjustment click the left mouse button on the
"Power Low" then "Start" button.
Move the Slide bar, as needed, to set the power
output to the following specification, as indicated
on the external wattmeter.
TX Power (Low): 5[W] (±0.1W)
16
When the 5Watt level is attained, press the "OK"
box to lock in the new data.
Max Deviation
This parameter is used to align Max Deviation.
Set the transceiver to CH#1 via the "Channel" box
located upper right corner on the "Alignment"
window previously.
Adjust the AF generator output level to
39mVrms(-26dBm) at 2 kHz to the pin3 of the
J1502 (D-sub 9pin).
To adjustment click the left mouse button on the
"Maximum deviation" then "Start" button.