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7. Muting level/RF indicator check
Procedure
(1) Set the WRR-802A as follows;
Channel setting:
U64 model; Group 00, 6501 channel (776.125 MHz)
U66 model; Group 00, 6701 channel (788.125 MHz)
U68 model; Group 00, 6901 channel (800.125 MHz)
VOL. control: Any position
Muting: ON (Normal mode)
(2) Connect the signal generator to the ANTENNA A IN
connector.
(3) Set the signal generator as follows:
Signal generator setting
FREQUENCY(carrier frequency)
U64 model; 776.125 MHz
U66 model; 788.125 MHz
U68 model; 800.125 MHz
RF OUTPUT (Output level): 60 dBuV
MODULATION (Modulation frequency): 1 kHz
DEVIATION (Frequency deviation): ± 5 kHz
(4) Check that RF Indicator LED lights (green) and "NO
TONE" message appears on LCD.
(5) Change the RF OUTPUT (output level) of the signal
generator as shown below.
RF OUTPUT (output level): 15 dBuV
(6) Check that RF Indicator LED goes off (green) and
"NO TONE" message disappears on LCD.
(7) Increase gradually the RF OUTPUT (output level) of
the signal generator.
Check that RF OUTPUT (output level) is 25 dBuV
± 5 dB at when RF Indicator lights (green LED) and
"NO TONE" message appears on LCD.
AF
RF
RF indicator lights.
(8) Connect the signal generator to the ANTENNA B IN
connector, and perform the procedures (3) through (7)
above.
WRR-802A (U)
EMF
(= _53 dBm)
EMF
(= _98 dBm)
EMF
(9) Set the channel setting and FREQUENCY (carrier
frequency) of the signal generator as shown 1 and 2
below.
Perform the procedures (1) to (8) above, for each
channel setting (1 and 2).
1 Channel setting:
U64 model: Group 00, 6401 channel (770.125 MHz)
U66 model: Group 00, 6601 channel (782.125 MHz)
U68 model: Group 00, 6801 channel (794.125 MHz)
Signal generator setting:
FREQUENCY(Carrier frequency)
U64 model : 770.125 MHz
U66 model : 782.125 MHz
U68 model : 794.125 MHz
2 Channel setting:
U64 model : Group 00, 6547 channel (781.875 MHz)
U66 model : Group 00, 6747 channel (793.875 MHz)
U68 model : Group 00, 6947 channel (805.875 MHz)
Signal generator setting:
FREQUENCY (Carrier frequency)
U64 model: 781.875 MHz
U66 model: 793.875 MHz
U68 model: 805.875 MHz
3-13
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