Vertex Standard LTR VX-2200 Service Manual page 19

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7. Tight Noise SQL RSSI
Note: The "RX VCO Tune Voltage", "PLL Reference Frequency", and "RX Sensitivity (RX Tune)" must be done before
this alignment is started.
Set the transceiver to CH1 (band center, wide devia-
tion) via the "Channel" box on the "Alignment" win-
dow.
Tune the RF output of the Radio Tester to 481.100 MHz,
then set the output level to +3 dBµ with ±3.0 kHz de-
viation @ 1 kHz tone modulation.
Click the left mouse button on the "Tight Noise SQL
RSSI" button.
Click the left mouse button on the "Start" button. The
CE94 will get the alignment value of Tight Noise SQL
RSSI and display it in the alignment window.
Press the "OK" button on the window, the value of the
alignment for Tight Noise SQL RSSI (wide deviation)
will be saved in the radio.
Set the transceiver to CH 2 (band center, narrow de-
viation) via the "Channel" box on the "Alignment"
window.
Tune the RF output of the Radio Tester to 481.100 MHz,
then set the output level to +3 dBµ with ±1.5 kHz de-
viation @ 1 kHz tone modulation.
Click the left mouse button on the "Tight Noise SQL
RSSI" button.
Click the left mouse button on the "Start" button. The
CE94 will get the alignment value of Tight Noise SQL
RSSI and display it in the alignment window.
Press the "OK" button on the window, the value of the
alignment for Tight Noise SQL RSSI (narrow devia-
tion) will be saved in the radio.
Alignment
G-7

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