Vertex Standard LTR VX-2200 Service Manual page 22

Alignment
9. TX Power
Click the left mouse button on the "Power Low-Mid"
button.
Click the left mouse button on the "Start" button.
G-10
Move the Slide Bar, as needed as, so that the power
meter reading is 10 W ± 1 W.
Press the "OK" button on the window, the value of the
alignment for Transmit Power Level (Power Low-Mid)
will be saved in the radio.