37
VX-450 Series UHF Band Service Manual
Alignment
6. M
AXIMUM
D
EVIATION
<W
IDE
> / <N
ARROW
>
This parameter is to align the “Maximum Deviation” (Wide/Narrow).
It requires the appropriate JIG (Tuning Interface BOX). Connect the JIG and Test Equipment to the radio before
the alignment is started.
1. Press the “Max Dev (W /N)” button to start the
alignment.
2. The Max Deviation alignment window will ap-
pear.
3. Connect the Generator, Inject a1 kHz tone / Sine
Wave / -10 dBm to the MIC jack.
4. Click the left mouse button on the slide bar or
press the Up / Down arrow key, to select the de-
sired channel.
5. Click the “PTT” button or press the “SPACE” bar
the radio starts to transmit on the selected chan-
nel.
6. Set the value to get desired deviation (Wide:
4.2kHz, Narrow: 2.1kHz) on the deviation meter
by dragging the slide bar, clicking the up-down
button, pressing the left or right arrow key, or
entering the value in the entry box on the selected
channel.
7. After getting the desired deviation click the “PTT”
button or press the “SPACE” bar to stop trans-
mitting.
8. Click the “OK” button to finish the Max Devia-
tion alignment and save the data.
ADJ Type
Basic
:
“Low-edge / band center / high-edge“
and select the channel for alignment
(Default).
Single
:
Alignment value changes only on the
selected channel.
All Freq
: Alignment value changes on all chan-
nels.
Summary of Contents for VX-450 series
Page 8: ...8 VX 450 Series UHF Band Service Manual Block Diagram Version A D 16 key 4 key Type RF Section...
Page 12: ...12 VX 450 Series UHF Band Service Manual Block Diagram Version A D Non key Type RF Section...
Page 14: ...14 VX 450 Series UHF Band Service Manual Block Diagram Version A D Non key Type AF Section...
Page 20: ...20 VX 450 Series UHF Band Service Manual Block Diagram Version I K Non key Type RF Section...
Page 22: ...22 VX 450 Series UHF Band Service Manual Block Diagram Version I K Non key Type AF Section...