Remote Technologies BDSV3 User's Manual
Contents
1. BDS BDS The Remote Audio BDS Battery Distribution System has been the standard power management system in ENG audio bags for over a decade Once considered a luxury the ability to power multiple pieces of audio equipment with a single rechargeable battery is now a necessity as equipment demands become more complex The BDS system accommodates this need with a reliable convenient and robust design Description Remote Audio s BDS system consists of a reverse polarity protected and overload protected distribution box with on off switch six outlets power source typically a rechargeable battery such as the NP 1 an input cable and output cables for the devices being powered The primary purpose of the BDS system is to simultaneously turn on and off multiple pieces of equipment being powered by a single source For this basic function the BDSv3 BDSv3 N may be used exactly like the older BDSv2 that it replaces The input and output connections are the same so all former BDS input and output cables made by Remote Audio are compatible with the BDSv3 BDSv3 N The capacity of the box is limited to 5 Amps No RM Port BDSv3 N REMOTE AUDIO 220 GREAT CIRCLE ROAD SUITE 114 NASHVILLE TN 37228 1737 PHONE 615 256 3513 FAX 615 259 2699 WWW REMOTEAUDIO COM The BDSv3 design takes the system to a new level of refinement and functionality with the addition of an optional 6 pin connector for the RM remote meter2. 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 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 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 dr
3. short circuits Output cables by Remote Audio are manufactured specifically for use with the BDS and come with unique low profile right angle locking connectors Therefore it is recommended that only Remote Audio brand output cables be used with the BDS system The polarity of the outlets is center positive Y cables are available for connecting more than six devices Input cables battery adapters and AC DC adapters by Remote Audio are also available The input connector on the BDS box is a common TA4M miniature 4 pin male XLR with the standard scheme of pin 1 NEG pin 4 POS To improve reliability and reduce voltage drop the contacts are doubled 1 2 and 3 4 at the circuit board Therefore if the user wires their own input cables it is recommended to connect pins 1 2 and 3 4 The power indicator built into the BDS box switch can be used to confirm proper polarity of the input cable if it illuminates the polarity is correct Rev 11 10 BDS BDS 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
4. accessory The RM can turn on and off the BDSv3 remotely and can display the voltage of the power source and the amperage draw of the equipment The BDSv3 can be used without the RM remote meter In this case the toggle switch turns the unit on and off When turned on the switch illuminates The BDSv3 N does not include an RM port but is upgradable via Remote Audio Using the BDSv3 with the optional RM remote meter When connected to the RM remote meter and the BDSv3 toggle switch is in the OFF position the RM controls the on off circuit of the BDSv3 This allows the BDSv3 box to be placed deep in the bag out of the way To turn the BDSv3 on or off with the RM press and hold both buttons of the RM for three seconds When on the RM will display the voltage of the power source Pressing the lower button labeled AMPS will display the current draw of the devices being powered for as long as the AMPS button is pressed If the BDSv3 toggle switch is in the on position the RM will not turn off the BDSv3 In this case the on off function of the RM will only turn on and off the meter display Connectors and cables The outlet connectors on the BDS box are a special switching type that requires a long shaft mating plug with a 2 5mm hole This connector set was chosen for its strength and so that unused exposed outlets on the box are not active until a cable with the proper mating connector is plugged into it helping prevent accidental
5. aw of your system 5A global maximum REMOTE AUDIO 220 GREAT CIRCLE ROAD SUITE 114 NASHVILLE TN 37228 1737 PHONE 615 256 3513 FAX 615 259 2699 WWW REMOTEAUDIO COM 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 n
6. ot 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 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
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