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CONNECTIONS contd.
WIRED (SERIAL DATA) REMOTE CONTROL:
There is one RS-232, one AUX IR input and two 12
volt trigger output connections as well. The RS-232
is bi-directional and allows for future software down-
loads from the Bryston website. It also interfaces with
control systems such as Crestron and AMX.
CHASSIS GROUND:
A chassis ground thumb screw terminal is provided on
the rear panel.
12 VOLT TRIGGER CONNECTOR:
These 12Vdc control outputs allow the BP17 to exert
on/off control over compatible equipment. See "RE-
MOTE ON/OFF CONTROL" for more information.
AUXILIARY IR INPUT:
This mono 1/8" (3mm) phone jack allows a direct con-
nection to equipment whose remote control system
provides an output from their infra-red LED drive cir-
cuit. The signal connected to this jack, which is ex-
pected to be a 5 volt logic level, should be ≥2.5Vdc
and ≤10Vdc. The tip of the phone jack is positive (+)
and the ring is negative (-).
LED STATUS INDICATORS
Normally the bi-colour status indicators are RED & GREEN,
but RED & BLUE status indicator LEDs are also available
BYPASS:
Normally OFF; will light GREEN (or BLUE)
to indicate that the currently selected input
is in Bypass mode wherein the balance
and mute controls are inactive and gain is
unity.
Lights RED to indicate the outputs are mut-
MUTE:
ed.
GREEN (or BLUE) indicates normal opera-
POWER:
tion
RED indicates Standby
Blinking RED/GREEN(BLUE) a fault con-
dition.
ANALOG4Aux2 / DIGITAL4Select:
In BP17-DA models: when this LED is il-
luminated green concurrently with either
D1, D2, D3 or D4 LEDs, it indicates that the
digital inputs D1 (SPDIF), D2 (SPDIF), D3
(TOSLINK) or D4 (TOSLINK) have been
selected.
In BP17 & BP17-P models: when illumi-
nated green this LED indicates that the line
level analog audio input AUX-2 has been
selected.
AUX1, CD, TUNER, TV/SAT VIDEO & RECORD:
One of these input source LEDs will light
green to Indicate the active input. In digital
mode these LEDs will light RED if the bit
stream is either absent or unacceptable.
BALANCE When the left/right signal balance is being
shifted one of these LEDs will light to in-
dicate which channel is being attenuated.
Balance can be adjusted in 1dB incre-
ments to up to -6dB in either direction.
Stepping past -6dB in either direction will
mute that channel fully and the LED for
that channel will turn red.
REMOTE ON/OFF CONTROL
12 VOLT TRIGGER CONNECTOR:
Two trigger outputs are provided. A 12Vdc signal is
placed across the T1 and C pins (either "C" pin can
be used) of the 12V TRIGGERS connector whenever
the unit is fully powered up. When the unit goes into
standby this voltage is removed.
A 12Vdc signal will be placed across the other pair
of 12V TRIGGER output pins (T2 and either "C" pin)
whenever
a
certain
user programmed in-
put is selected as the
source input (see be-
low for programming
instructions).
When
any other input source
is selected the 12Vdc
control voltage will be
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