21VX-4500/-4600 Series VHF FM Transceiver Service Manual
Alignment
EXT AF OUT Level
This parameter is to align the “EXT AF OUT Level”.
Set the Low-level receiver output of pin 2 of the D-SUB Connector.
1. Press the “Ext AF Out” button to start the alignment.
The Ext AF Out Level window will appear.
2. Connect the Generator to pin 1 of the D-SUB connec-
tor. Then inject a 1 kHz tone / Sine Wave / +40 dBu.
3. Set the Peak signal level to -10 dBm ±0.7 dB at 600-
ohm on pin 2 of the D-SUB connector by entering the
alignment value in the “New” box.
Default: 7
Input Range: 0 (Level Down) ~ 15 (Level Up)
4. Click the “OK” button, the data will be saved and the
alignment is complete.
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