Service manual

11VX-4500/-4600 Series UHF FM Transceiver Service Manual
Alignment
Alignment Mode
The Alignment mode allows you to align the entire radio. The
value of each parameter can be changed to the desired value by
use of the “
” / “
” and up/down arrow keys, along with di-
rect number input and dragging of the PC mouse.
To enter the Alignment Mode, select “Alignment” in the main
“Radio” menu. It will start to “Upload” the alignment data from
the radio to the PC. Pressing the “OK” button will then “Down-
load” the alignment data to the radio and exit the Alignment
Mode.
Note: when all items are to be aligned, it is strongly recom-
mended to align them according to the following sequence. De-
tailed information for each step may be found in the “Help” file
within CE115 (PC Programming Software).
1. VCO (Please do not adjust it)
2. PLL Reference Frequency (Frequency)
3. RX Sensitivity (RX Tune)
4. Squelch (SQL/RSSI)
5. TX Power <High/Low3/Low2/Low1>
6. Maximum Deviation <Wide/Narrow>
Please adjust the following items when needed.
H Modulation Balance <Wide/Narrow>
H CTCSS Deviation <Wide/Narrow>
H DCS Deviation <Wide/Narrow>
H DTMF Alignment
H Seq Tone
H VOX ON Level
H TX MSK
H Ext AF Out
Unit
During alignment, you may select the value among
dBµV,µV (EMF or PD), or dBm.
When performing the “RX Tune” and “SQL” alignment,
the RF level shows this unit according to this setting.
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