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REMOTE AUDIO
220 Great Circle Road, Suite 114, Nashville, TN 37228-1737
Phone: 615.256.3513 | Fax: 615.259.2699
www.remoteaudio.com
The orange ring… Switch vs Unswitched.
Outlet #1 can be either "switched" or "unswitched".
"Switched" means that the outlet turns off and on.
"Unswitched" means that the outlet is always on when
power is present. The factory default for outlet #1 is
"unswitched", as indicated by an orange ring. This
feature is often desired for the audio mixer. For example,
in this configuration, when only the mixer and boom mic
are needed, turning off the BDS box will turn everything
off (receivers, etc.) except for the mixer.
This can be a convenient way to turn off everything that
is not needed, extending the life of the battery. The status
of outlet #1 can be easily reversed to "switched" by
opening the BDS box and moving a jumper from the
unswitched position to the switched position as labeled
on the circuit board. No soldering is required to make this
change. Care must be taken to not over-tighten the
outlet connector nut when replacing the orange ring.
Short circuit and overload protection
multimeter (shorted or open conductors), or replaced
entirely. The BDS box will also protect itself when
connected to loads of over 5 amps, and the on/off toggle
switch will no longer be illuminated. However, it is very
rare for field audio bags (the primary intended use for the
BDS) to have current draws in excess of 5 amps. Using
the optional RM (Remote Meter) with the BDSv3 will take
the guesswork out of calculating the amperage draw of
your system.
Reverse polarity protection
As a protective feature for devices being powered, in the
event that an input cable or battery adapter is miswired,
the BDSv3 will not pass reverse polarity voltage to its
outputs. Unlike some reverse polarity protection circuits,
the BDS circuit does not cause a voltage drop during
normal operation.
Noise and shared power systems.
Thousands of satisfied field audio professionals are using
the BDS system to power their equipment. However, it is
possible to have unwanted audible noise induced into
audio systems by a common (shared) power source. To
optimize your system, it is recommended to use line level
signals instead of mic level signals whenever practical.
Also, turn phantom voltage off of all preamp inputs that
are connected to non-microphone devices. If noise is still
heard, to determine the cause, unplug one device at a
time from the BDS box, noticing any change in noise
associated with the removal of each device. If the noise
goes away after unplugging a particular device, try
powering that device with a separate battery. If using a
separate battery causes the noise to go away, then the
problem is a ground loop associated with the combination
of a common power source and audio grounding
schemes. Be aware that this noise will not be removed
with "L/C" filters found in some distribution boxes. To
remove the noise, here are four options for interrupting
the ground loop: 1) Use a separate battery for the
offending device. 2) Try different grounding/floating
schemes with the audio cables. 3) In devices that use a
single 9V battery, use an isolating 9V battery eliminator
such as made by Lectrosonics (isolating AA eliminators
should soon be available). 4) Use a power isolator cable
such as the Remote Audio Juicer cable
(30 watts max, but a bit large for bag use).
Mounting clip
The BDSv3 box comes with a stainless steel clip to aid in
securing the box to a bag or strap. Additional holes on the
box are available for positioning the clip in the opposite
direction. NOTE: Keep the original clip screws. Attaching
the clip with screws longer than those originally supplied
can damage the BDS box and void the warranty.
Repairs
Items needing repair may be sent directly to:
Remote Audio Products
220 Great Circle Road, Suite 114
Nashville, TN 37228.
Prior to returning any items, contact Remote Audio for an RA# (return
authorization number) at 615-256-3513, or repairs@remoteaudio.com
The BDS box has auto-
resetting protection against
output short circuits and loads
in excess of 5 amps, with each
outlet capable of handling up
to 3 amps each. If the BDS
fails to pass power, it could be
due to an overload or a short
circuit. In the case of a short
circuit of an individual output
cable or piece of gear, only
that outlet's breaker will trip,
protecting the other connected
gear from damage. If a piece
of gear fails to power up, that
output cable should be
checked for continuity with a
5A global maximum
3A
3A
3A
3A
3A
3A
Limited Warranty
For a period of 1 year (for the BDSv3 box), or 6 months (for BDS cables) from the time of sale, defects in parts and workmanship will be either
repaired or replaced at the determination of Remote Audio. Dated proof of purchase required.
Rev. 11/10
BDS
v3
/ BDS
v3 - N