Sony WRR-855B, Руководство по обслуживанию, Страница: 9 / 84

1-5
WRR-855B
13
(GB)
Selecting the T OFF mode
1
Turn the power ON while pressing and holding the GP
and – buttons.
2
On the WRR-855A, release the buttons after the
“HELLO” message appears. On the WRR-855B, release
the buttons after the version number of your tuner (for
example “U66”) appears.
“T OFF” is momentarily displayed and the tuner goes to
the T OFF mode.
The T OFF mode is maintained even when the power is
turned OFF.
Cancelling the T OFF mode
1
Turn the power ON while pressing and holding the GP
and + buttons.
2
On the WRR-855A, release the buttons after the
“HELLO” message appears. On the WRR-855B, release
the buttons after the version number of your tuner
appears.
“T ON” is momentarily displayed and the tuner resumes
the normal status.
Attach with the slit
facing upward.
Binding head screws (M3
×
6) (2)
Bracket
Holder
Binding head screws
(M4
×
6) (2)
Attaching and Connecting
to a Betacam
Use the Betacam attachment kit supplied with the BTA-801
Portable Tuner Mount Adapter.
1
Attach the holder and bracket to the Betacam.
14
(GB)
UHF S YNTH
ESIZE D
TUNE R UNI
T WR R-855
S
OUTPUT
AUDIO IN
Press the knob and turn it 90
°
in a clockwise manner to
secure.
Attaching and Connecting to a Betacam
2
Align the attachment plate of the back of the BTA-801
with the holder and bracket.
3
Connect the output cable (optional).
4
Connect the DC power cable supplied with the BTA-801.
For the power cable connection, see page 8.
15
(GB)
Messages
Err 01
Err 02
Err 03
TONE
T OFF a)
Contents
An error occurred in
backup memory data.
The PLL synthesized
circuit is in trouble.
The operating voltage
exceeds the allowable
value.
As no tone signal is
available or a tone signal
other than 32.768 kHz is
being received, the audio
signal output is being
muted.
The tuner is set in T OFF
mode.
Measures
Contact your Sony dealer.
Set the tuner to the T OFF
mode (see page 13) to
output the audio signal.
For details, see “Selecting
and Releasing the T (Tone
Squelch) OFF Mode" on
page 12.
Messages on the Display
In addition to the normal indications, the following messages
may appear on the liquid-crystal display.
a) When the tuner is turned on, this message appears after “HELLO”
on the WRR-855A. On the WRR-855B, the message appears
after the version number of your tuner.
Subsequently, the tuner goes to the normal display status.
Specifications
Tuner section
Type of reception Space diversity
Circuit system Dual conversion superheterodyne
Receiving frequencies
Model available in USA:
one frequency within a 24 MHz
frequency band selected from 470 to
806 MHz
Model available in Europe:
one frequency within a 24 MHz
frequency band selected from 470 to
862 MHz
Model available in Australia:
one frequency within 792 to 806 MHz
Local oscillators 1st: Crystal controlled PLL synthesizer
2nd: Crystal oscillator
Antenna connectors BNC-R type (2), 50 ohms
Selectivity
60 dB or more (at
±
250 kHz detuned)
Suprious rejection ratio
70 dB or more
Image rejection ratio 60 dB or more
Muting level
10 dB
µ
(ON/OFF selectable)
De-emphasis 50
µ
s
Frequency response 50 to 15,000 Hz
±
3.0 dB
0 dB
µ
= 1
µ
V
EMF
0 dBu = 0.775 Vrms
...........................................................................................................................
16
(GB)
Specifications
Signal-to-noise ratio
(
±
5.0 kHz deviation at 1 kHz modulation)
30 dB or more at RF input level
10 dB
µ
(A-weighted)
60 dB or more at RF input level
60 dB
µ
(A-weighted)
Distortion 1.0% or less (
±
40 kHz deviation at
1 kHz modulation)
Tone squelch frequency
32.768 kHz
Output level –40 dBu (
±
5.0 kHz deviation at 1 kHz
modulation)
Output impedance 25 ohms, unbalanced
Output connector 15-pin D-sub connector (1)
General
Power requirements DC 7 V (supplied from the BTA-801)
Operating voltage
DC 6.5 to 9.0 V
Current consumption
200 mA DC or less (at DC 7 V)
Operating temperature
0
°
C to +50
°
C (32
°
F to 122
°
F)
Storage temperature –20
°
C to +60
°
C (–4
°
F to +140
°
F)
Dimensions 88
×
118.8
×
31.3 mm (w/h/d)
(3 1 /
2
×
4 3 /
4
×
1 1 /
4
inches)
Mass Approx. 280 g (9.9 oz) with the
supplied antennas attached
Supplied accessories
Antennas (2)
Operating instructions (1)
Wireless Microphone System Frequency List (1)
Optional accessories
Portable Tuner Mount Adapter: BTA-801
Microphone cable (for Audio output cable):
EC-0.5C2-F (XLR-3-11C
type
↔
XLR-3-11C type)
EC-0.5C2 (XLR-3-11C type
↔
XLR-3-12C type)
Design and specifications are subject to change without
notice.