Shure U2 Hand-Held UHF Transmitter
Service Procedures25B1022 (AG) 15
Rf Alignment
VC201
J103
FREQUENCY COUNTER
U2 Transmitter Frequency Counter
Power (S101): ON Connect CH2: J103
Gain: For JB models:
set to maximum
Figure 4. Rf Alignment Configuration
1. Verify that the transmitter is ON; switch S101 is set to the
ON position.
2. Connect the transmitter to the frequency counter via J103.
3. Determine the transmitter operating frequency by comparing the
group and channel information on the LCD to the tables in the
User’s Guide and User’s Guide Supplements.
4. Adjust variable capacitor VC201 until the frequency counter
measurement matches the desired frequency, ±1 kHz, found in
the User’s Guide and User’s Guide Supplements.
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