3-15
WRR-801A
WRU-801A
8. BATT (Battery) indicator check
Procedure
Step 1:
Tuner
[1]
(Tuner unit 1) checking
(1) Set the WRR-801A as follows;
Front panel (Tuner
[1]
)
Channel setting: Group 00, 6901 channel
(800.125 MHz)
Muting:
ON (Normal mode)
Rear panel
ATT (ANTENNA A, B) switch: 0 dB
(2) Connect the signal generator to the ANTENNA A IN
connector with DC cut fixture.
(3) Set the signal generator as follows:
Signal generator setting
FREQUENCY (Carrier frequency): 800.125 MHz
RF OUTPUT (Output level): 60 dB
u
V
EMF
(=
_
53 dBm)
MODULATION (Modulation frequency):
32.782 kHz
(32.782 kHz must be set
by connecting Function
generator)
DEVIATION (Frequency deviation):
±
2.1 kHz
(4) Turn on and off the MODULATION (modulation
frequency) of the signal generator as follows, and
check that BATT Indicator (Tuner
[1]
) change also as
follows:
MODULATION setting BATT indicator of Tuner
[1]
[1]
[1]
[1]
[1]
of signal generator
ON
BATT indicator (LCD);
Turn the signal
generator on and BATT
indicator starts blinking
after 3 seconds.
BATT indicator (LED);
Turn the signal
generator on and BATT
indicator starts blinking
after 3 seconds.
OFF
BATT indicator (LCD);
Blinking is stop.
BATT indicator (LED);
Goes out
(5) Connect the signal generator to the ANTENNA B IN
connector with DC cut fixture, and perform the
procedures (3) and (4) above.
LCD:
BATT
Step 2:
Tuner
[2]
to Tuner
[6]
checking
When the TUNER UNIT WRU-801A is installed in the
Tuner
[2]
(Tuner unit 2) to Tuner
[6]
(Tuner unit 6) of the
WRR-801A, perform the adjustments from procedures (1)
to (4) of “Step 1. Tuner
[1]
(Tuner unit 1) checking” on
the respective tuner units that are installed in the WRR-
801A.
When performing the above described checking change the
following details as shown below, of the “Step 1. Tuner
[1]
(Tuner unit 1) checking”.
Tuner
[1]
→
Tuner
[2]
,
[3]
,
[4]
,
[5]
, and
[6]
LCD:
BATT
