Vertex Standard VX-230 Service Manual page 11

1. PLL R F
EFERENCE
This parameter is to align the reference frequency for PLL.
1. Press the "Frequency" button to start the alignment then the
radio will transmit on the center frequency. It will appear
the Frequency Alignment window.
2..Click the "PTT" button, then the radio starts to transmit on
selected channel.
3. Set the value to get desired frequency by drag the slide bar,
click the up-down button, press the left or right key, or enter
the value on the entry box.
4. After getting the desired frequency then click the "PTT" but-
ton to stop the transmit.
5. Click the "OK" button to finish the frequency alignment and
save the data.
( RX T
2. RX S
ENSITIVITY
This parameter is to align the RX BPF (Band Pass Filter) for Receive (RX) sensitivity. It must be done both alignments of the
"Frequency" before this alignment is going to start. There are following 2 Way for Alignment.
Manual Alignment
1. Press the "RX Tune" button to start the alignment then the
radio will transmit on the center frequency. It will appear
the Frequency Alignment window.
2. Click the left mouse button on the slide bar, then switched
to selected channel.
3. Set the Signal Generator according to the indication.
4. Drag the slide bar, click the up-down button, press the left
or right key, or enter the value on the entry box to get the
best RX sensitivity.
5. Click the "OK" button to finish the RX Sensitivity align-
ment and save the data.
ADJ Type
Single : Alignment value change only to selected channel.
All Freq : Alignment value change for connecting with other
channels.
Automatic Alignment
1. Press the "RX Tune" button to start the alignment then the
radio will transmit on the center frequency. It will appear
the Frequency Alignment window.
2. Click the left button on the "Auto" button, then the align-
ment window will appear.
3. Set the Signal Generator according to the indication.
4. Click the left button on the "Start" button, then start the
automatic alignment to get the best RX sensitivity.
5. It will show the alignment result in the "New" box.
6. Click the "OK" button to finish the RX Sensitivity align-
ment and save the data.
( F
REQUENCY REQUENCY
)
UNE
)
Alignment
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