EVX-S24 UHF Digital/Analog Transceiver Service Manual 10
Test Setup
Setup the test equipment as shown below for transceiver
alignment, then apply 3.7 V DC power to the transceiver.
The Alignment Tool Outline
Installation of the alignment tool
Install the CE157 (PC Programming Software) to your
PC and execute the CE157.
Click the “Alignment” in the “Radio” menu tab of
CE157 to open the “Alignment” window.
Action of the switches
When the transceiver is in the “Alignment mode,“ the ac-
tion of the PTT and all Programmable keys are ignored.
All of the action is controlled by the PC.
Caution
Please never turn off the power supply during
alignment. If the power supply is turned off during
alignment, the alignment data will be corrupted.
Alignment
Alignment Mode
In the “Alignment Mode”, the aligned data written in the
radio will be able to re-align its alignment data. The value
of each parameter can be changed to desired position by
“
”/“
” arrow key for data up/down, “
”/“
” arrow key
for channel up/down, direct number input, and drag the
mouse.
Note: when all items are aligned, it is strongly recom-
mended to align according to following order. The detail
information is written in the help document of CE156 PC
Programming Software.
1. VCO (Confi rmation Only)
2. PLL Reference Frequency
3. TX Power <High/Low3/Low2/Low1>
4. Maximum Deviation <Wide/Narrow>
Adjust the following items when needed.
Symbol Deviation
CTCSS Deviation <Wide/Narrow>
DCS Deviation <Wide/Narrow>
DTMF Deviation
MSK Deviation
Sequential Tone Deviation
Inline
Wattmeter
50-ohm
Dummy Load
Power Supply
3.7 VDC
Computer
(
CE157
)
Deviation
Meter
Frequency
Counter
Transceiver
USB Port
Micro USB Jack
CB000262A01
Micro USB Programming Cable
Battery Terminal
ANT
Sampling
Coupler
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