Vertex Standard VX-230 Series Service Manual page 16

Alignment
7. M B
ODULATION ALANCE
This parameter is to align the "Modulation Deviation" (Wide/Narrow).
alignment is performed.
1. Click the "Modulation Balance (W)" or "Modulation Bal-
ance (N)" button to open the Modulation Balance Align-
ment window.
2. Set the AF Signal Generator output to 40 mV at 1 kHz tone.
3. Click the "PTT" button on the desired frequency which you
wish to alignment. The radio starts to transmit on selected
frequency.
4. Write down a deviation level of the deviation meter, then
click the "PTT" button to stop the transmit.
5. Set the AF Signal Generator output to 40 mV at 40 Hz tone.
6. Click the same "PTT" button which you clicked in step 3,
then set the value to get the same deviation level that wrote
down by following ways:
 Drag the slide bar
 Click the up/down button
 Press the left/right arrow key of the computer's keyboard
 Enter the value in the "Data" box from the computer's
keyboard.
7. After getting the desired deviation, click the "PTT" button
to stop the transmit.
8. Click the "OK" button to finish the Modulation Balance
alignment and save the data.
You may select the alignment type from the Radio button (ADJ
Type) located at the bottom of the screen, as needed..
ADJ Type
Single : Alignment value change only to selected channel.
All Freq : Alignment value change for connecting with other
channels.
VX-230 Series UHF FM Transceiver Service Manual
<W > / <N >
IDE ARROW
(T A
HIS LIGNMENT IS DIFFICULT
The "Max Deviation" alignment must be done before this
.)
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