Service manual

13VX-4500/-4600 Series UHF FM Transceiver Service Manual
Alignment
3. RX Sensitivity (RX Tune)
This parameter is to align the RX BPF (Band Pass Filter) for Receive (RX) sensitivity. The PLL Reference Frequency (Frequency)
alignment must be done before this alignment is performed.
1. Press the “RX Tune” button to start the alignment. The RX
Sensitivity Alignment window will appear.
2. Click the left mouse button on the slide bar or press the Up
/ Down arrow keys, to switch to the desired channel for
alignment.
3. Set the Signal Generator according to the indication at the
top of the screen (Setting Your SG as followings).
4. Drag the slide bar, click the up-down buttons, press the left
or right arrow key, or enter the value in the entry box to get
the best RX sensitivity (Highest RSSI value) on the select-
ed channel.
5. Click the “OK” button to finish the RX Sensitivity align-
ment and save the data.
ADJ Type
Basic: “Low-edge / band center / high-edge“ and se-
lect the channel for alignment (Default).
Single: Alignment value changes only on the selected
channel.
All Freq: Alignment value changes on all channels.
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