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Alignment
Set up the test equipment
Set up the test equipment as shown below for transceiver
alignment, and apply 7.5V DC power to the transceiver.
In-Line
Wattmeter
50-ohm RF
Dummy Load
Deviation
Meter
Frequency
Counter
Regulated
7.5 VDC P.S.
The Alignment Tool Outline
Basic Alignment Sequence
1. Activates the CE74 Programming Software.
2. Upload the Current Channel Data of the radio, then
save to the disk.
3. Open the Alignment Channel Data (
download to the transceiver.
4. Enter the Alignment Mode.
5. Align the data.
6. Download the Align Data to the transceiver.
7. Open the Current Channel Data which is stored in step
2, then download to the transceiver.
8. Alignment is now completely. Close the CE74 Pro-
gramming Software.
14
Menu of the Tool
RF Frequency
RF Signal
Generator
4-ohm AF
Dummy Load
SINAD Meter
AF Signal
Generator
Data Input/Output
AF Signal Input
AF Signal Output
test-v.C74
), then
Set the transceiver to "CH 2 (160.005 MHz)" via the
"
CH
" box.
Double click the left mouse button on the "
quency
" parameter to open the pop-up window.
Move the Slide bar, as need, so that the frequency
counter reading is 160.0050 MHz (± 100 Hz).
Click the left mouse button on the [
the new data.
RF Fre-
OK
] box to lock in
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