EVX-S24 UHF Digital/Analog Transceiver Service Manual 11
1. VCO
(
VCO
)
- This parameter is for confi rmation only and cannot align -
This parameter is to confi rm whether the VCO status shall be “Lock” or “Unlock”.
1. Click the “VCO” button to open the “VCO” window.
2. Click the “CH” button on the desired channel. The RX
VCO status (“Lock” or “Unlock”) will appear in the
“RX” box.
3. Click the “PTT” button. The radio starts to transmit on
the selected channel, and the TX VCO status (“Lock” or
“Unlock”) will appear in the “TX” box.
4. Click the “PTT” button again to stop transmitting.
5. Click the “OK” button to fi nish the confi rmation of the
VCO status.
Alignment
2. PLL REFERENCE FREQUENCY (FREQUENCY)
This parameter is to align the reference frequency for PLL.
1. Click the “Frequency” button to open the “Frequency
Alignment” window.
2. Click the “PTT” button or press the “SPACE” bar of the
computer’s keyboard, the radio will start to transmit on
the center frequency channel.
3. Set the value to get the desired frequency according to
the following ways:
Dragging the slide bar
Clicking the arrow
(
/
)
buttons
Pressing the left/right arrow key of the computer’s
keyboard
Entering the value (“0000” - “FFFF”) in the “Current
Data” box from the computer’s keyboard
4. After getting the desired frequency, click the “PTT” but-
ton or press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to fi nish the frequency alignment
and save the data.
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