Vertex Standard VX-4500 Series, Руководство по обслуживанию

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VX-4500/-4600 Series VHF FM Transceiver Service Manual
Alignment
1. VCO (RX VCO/TX VCO) - Normally there is no need to adjust this parameter -
This parameter is to align the VCO Voltage adjustment.
2. PLL Reference Frequency
(
Frequency
)
This parameter is to align the reference frequency for PLL.
1. Press the “Frequency” button to start the alignment.
The Frequency Alignment window will appear.
2. Click the “PTT” button or press the “SPACE” bar, and
the radio will start to transmit on the center frequency
channel.
3. Set the value to get the desired frequency 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.
4. After getting the desired frequency click the “PTT”
button or press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to finish the frequency align-
ment and save the data.
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