Sony DWR-R01D Operating Instructions Manual page 16

d ANTENNA a/b IN (antenna a/b input) connectors
(BNC-R)
Connect an optional UHF antenna (e.g., AN-820A) and the
supplied whip antenna to these connectors.
When an antenna is connected, this connector supplies 9 V
or 12 V DC power to the booster incorporated in the
antenna. When using an antenna which does not require a
power supply, you can turn off the power output by menu
operation.
For details, see "DC power supply setting for antennas
(ANT DC OUT)" on page 33.
Antenna attenuator can be also set with menu operation
according connection methods of the antennas.
For details, see "Antenna attenuator setting (ANT ATT a/
b)" on page 33.
Notes
• Do not short-circuit this connector.
• When connecting DWR-R01D units in cascade, set ANT
ATT a/b to "0dB" and ANT DC OUT to "OFF" on any
DWR-R01D unit that is not directly connected to the
antenna.
About the antenna gain and the cable loss
When the antenna with the booster is connected to the
DWR-R01D and the antenna gain exceeds the coaxial
cable loss between the antenna and the DWR-R01D, the
RF signal which exceeds the allowable level may be input
to this unit.
To prevent this, set the cable loss and antenna attenuator
(0dB, 5dB or 10dB) (see page 33) to meet the following
equation.
The RF indicator on the receiver lights in orange when the
input becomes 80 dBµ or higher, so you can use it as a
rough guide.
Gain of antenna booster - Cable loss between antenna
and this unit - Antenna attenuator setting (dB) = 0 dB
or less
Reference: signal loss examples
Type of cable
Frequency 600 MHz 800 MHz 600 MHz 800 MHz
Cable 50 m 12 dB
length (approx.
165 ft)
100 m 24 dB
(approx.
330 ft)
For details on gain of antenna booster, refer to the
operating instructions supplied with the antenna.
16
Parts Identification
RG-213/U
RG-212/U
14 dB 9 dB
28 dB 18 dB
Notes
• The cable loss may differ depending on the manufacturer
of the cables.
• The rated resistance of ANTENNA a/b IN connectors is
50 Ω. If the cable with 75 Ω resistance is used, actual
signal loss is usually a few dB lower than the values on
the table above.
e AC IN connector
Connect to an AC power source with the supplied AC
power cord.
f ANTENNA a/b OUT (antenna a/b output)
connectors (BNC-R)
These connectors output the signals input from the
ANTENNA a/b IN connectors. Using these connectors,
you can connect up to eight of DWR-R01D units in
cascade.
g REM ANT (ST remote system antenna)
This is an external antenna for the ST remote system.
h WORD SYNC IN/OUT (sync signal input/output)
connectors and 75 Ω termination switch
When you want to synchronize digital output with an
external sync signal, input the external sync signal to the
WORD SYNC IN connector.
The sync signal input from the IN connector is output from
the OUT connector.
Set the 75 Ω termination switch of only the DWR-R01D
unit at the end of the cascade connection to ON.
For details on connecting to the WORD SYNC connectors,
see "Connection Example of Word Clock and Audio" on
page 22.
11 dB
22 dB