Redbox User Handbook No 1
103
SY
NCHR
ONISERS, DEL
A
Y
S & SILENCE DE
TEC
TORS - RB
-SD1
9
A/B Inputs (Left and Right)
There are four XLR-3 inputs, two for channel A (Left & Right) and another two for channel B
(Left & Right). The XLR 3 pin sockets are used for the input channels and are electronically
balanced. They have the following connections: -
Pin 1: Screen.
Pin 2: Phase.
Pin 3: Non-phase.
Outputs
The stereo input consists of two XLR male connectors professionally balanced with
following connections: -
Pin 1: Screen.
Pin 2: Phase.
Pin 3: Non-phase.
Silence Detect Trigger Level
The trigger level rotary switch (Level) adjusts the level below which silence detection occurs.
This level may be varied from –15dB to -60db in 3db steps by adjusting the switch, which is
accessible on the rear panel.
Switch
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Level dBu
-60 -57 -54 -51 -48 -45 -42 -39 -36 -33 -30 -27 -24 -21 -18 -15
Silence Detect Interval Control
The silence detect interval rotary switch (Time) adjusts the duration over which a silence is
detected before alarming and ranges from 2-30 seconds (0 – E in 2 second intervals) with F
on the switch being a 2 min 5 second silence. This maximum time can also be activated or
de-activated remotely via the remote connector.
Switch
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Seconds
2
4
6
8
10 12 14 16 18 20 22 24 26 28 30 125
Mode Dip Switch Settings
1. Stereo/Mono.
2. Remote Start Mode Switch.
3. Professional levels/Consumer levels (Input B).
4. Switch/No switching when alarmed.
1. Stereo/Mono Switch
–
The configuration of this defines whether you want to switch
sources when left and/or right channel of the incoming source go silent.
1
2
3
4
ON
OFF
SYNCHRONISERS, DELAYS &
SILENCE DETECTORS