SierraTeck SmartSound User manual

USER GUIDE
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SMARTSOUND - MOTION ACTIVATED AUDIO PLAYER
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SmartSound - Motion Activated Audio Player
DISCLAIMER
This document is intended to provide general usage guidelines. Every reasonable effort is made
to ensure the accuracy of all information contained in this publication. However, no
representations or warranties are made whether expressed or implied as to the accuracy,
completeness or suitability for any purpose of such information and therefore we disclaim to
the maximum extent permitted by law liability for any error, loss, injury or other consequence
which may arise from use in any manner of information contained in this publication. This
device is not for use in critical or life support systems where a malfunction or failure may result
in significant cost or injury to the user.
COPYRIGHT
The contents of this publication are protected by copyright and must not be reproduced in
whole or in part in any manner, including in print, online or by other electronic means.

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REVISION LOG
10/28/2016 Publication Created
12/19/2016 Minor updates

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Table of Contents
Introduction .................................................................................................................................................. 4
Package Contents ......................................................................................................................................... 4
Required Tools .............................................................................................................................................. 5
Features & Specifications ............................................................................................................................. 5
Buttons & Description .................................................................................................................................. 6
Installation Instructions ............................................................................................................................... 6
Adding Audio ................................................................................................................................................ 8
Mode Selection ............................................................................................................................................. 9
Powering the Unit ...................................................................................................................................... 10
Example Applications ................................................................................................................................. 10
Frequently Asked Questions ...................................................................................................................... 11
A Note about MP3: ..................................................................................................................................... 12
Customer support & Warranty .................................................................................................................. 12

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Introduction
Congratulations on the purchase of your SmartSound device. This unit is widely used for applications
requiring playback of preselected audio upon detecting motion. It has a built-in PIR (Passive Infrared)
wide-angle sensor that detects motion from up to 16 feet (5 meters) and works day or night, as it does
not rely on light. The unit can be powered using the power supply provided or using the internal
rechargeable batteries. To get the most out of your device, please read through this manual.
Package Contents
Each package is shipped with the following items:
1. 1x SmartSound unit (motion activated audio player device)
2. 1x 128MB microSD card (2A) with card adapter (2B)
3. 1x USB power supply cable (3A) and plug (3B)
4. 2x mounting screws
5. 1x ball joint mount, wall (5A) and unit (5B) pieces
6. 1x Quick Start Guide
Note: microSD card maybe pre-inserted in memory slot of unit prior to shipping

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Required Tools
You require the following to start enjoying your device:
1. Screw driver (square)
2. A device that can write audio to your microSD card, example devices include:
 PC/laptop that has memory card reader slot
 Standalone card reader that can be connected to PC/laptop
 Cellphone with a microSD card slot (see note below)
3. Audio in MP3 format
 If your audio is not in MP3 format, there are many free converts available online (for
example, search for “WAV to MP3 converters”). Audio must be in MP3 format
Note Regarding Writing Audio from Cell Phones:
• Supplied memory card may not be writable from some cell phones, as phones vary in
card types they support. If writing to supplied card from your cell phone does not work,
use another method or purchase a microSD card that works for your cell phone
•
Some cell phones will leave hidden files on the SD card,
which may impact playback if
not deleted
Features & Specifications
Customizable Full control over what sounds are played
Wide-Angle Sensor 120° view
Long Detection Range 16 feet (5 meters)
Adjustable field of view Sensor can be rotated by 60° to the left or right
Ball Mount Allows you to quickly and easily adjust orientation of entire unit
Built-in Memory 4MB built-in memory
Expandable Memory MicroSD slot for applications requiring longer playback time
Loud Speakers Built-in 2 Watt speaker
Support for External Speaker For even louder audio, use 3.5mm audio interface to connect to
external speakers (3.5mm cable not provided)
Portable & Flexible Power using built-in rechargeable battery or AC power supply
MP3 Audio MP3 - Bit Rate: 16-320 Kbps
Long Battery Life When on battery, enters low-power mode to conserve energy
3 Modes of Operation 1. Play a single file every time
2. Play multiple files in sequence
3. Play multiple files randomly
Power Supply DC 5V , 3.7 lithium battery (≤320 mA)
Audio Output Power 8 Ω/2 Watt

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Buttons & Description
No. Name Function
1 Indicator Light 1. If motion is detected, light turns on and stays on for duration of playback
2. Light will also flash when transferring audio to unit
2 Audio Interface 3.5mm audio output interface for connecting to external speakers
3 USB Port The USB port is used for connecting the AC power supply and recharging the
internal batteries. This port is not used for data-transfer, only for supplying
power and recharging.
4 MicroSD Slot Insert microSD card here, used to transfer files to memory or to play directly from
microSD card
5 A Button Dual Function:
Used to transverse audio (“Previous file”)
Used to select playback mode (see later section)
6 B Button Dual Function:
Used to transverse audio (“Next file”)
Used to select playback mode (see later section)
7 Sensor Unit Used for detecting motion
8 Power Switch Turns unit on or off
9 Volume Button Adjusts volume of built-in speakers
Installation Instructions
This unit is designed for indoor use only. External use will result in moisture damaging internals
of the device and void the warranty. For best performance and to avoid false triggers, do not
install in areas that have direct sunlight, areas with large temperature variation, or near air
conditioners and heaters. The induction window (area where motion can be detected) is as
illustrated below:

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1. Attach to wall:
 Attach to wall directly or through included ball mount, either method can be used
 Using ball mount method allows you to adjust detection area while unit is in place
 Back of unit has 4 screw holes. Regardless of installation method chosen, only bottom 2
holes are used, upper ones are left unused
Directly to wall:
 Screw 2 screws provided into wall and attach unit by the bottom 2 screw holes
OR
Using ball mount:
 Screw part #5A into wall using 2 screws provided
 Insert part #5B into bottom 2 screw holes at back of unit
o Pongs should be pointing up when inserted and pushed up firmly into place
 Firmly push unit into part #5A attached to wall until the ball snaps into socket
 To detach from wall, pull unit firmly to detach part #5A from part #5B
2. Adjust Sensor Angle and/or Unit (if desired, applicable only to Ball Mount Installation
Method)
o To adjust area targeted for detection, rotate sensor head (top portion of unit) left or
right
o Can also grap unit itself and swivel 360° degrees

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Adding Audio
Audio must first be transferred to microSD card and then loaded into device
1. Use a PC/notebook that has a memory card slot or a memory card reader to write MP3
audio to the supplied microSD card. Ensure only MP3 files are on card, remove all other files
2. Insert card into the microSD slot of unit. Push card all the way in until you hear a click. To
remove card, push all the way in and it will release
3. Copy audio to internal memory of device (Optional Step)
If size of your audio is less than 4MB, you have the option of transferring the audio to
internal memory of the device and removing the microSD card from the unit. To transfer
audio to internal memory:
1. Turn device off with microSD card inserted
2. Press the “A” button
3. Turn device on and keep holding the “A” button for 6 seconds and then release.
Indictor light will flash to indicate that a data transfer is in progress
4. Once flashing stops, you can remove the microSD card
TIP:
 If microSD card is left in device, audio playback will be from card, not internal memory
 To playback audio on device manually, use “A” and “B” buttons to traverse tracks
forward and backward
 If total size of audio files on microSD card is over 4MB, no audio will be transferred
 To record your own voice/personalized messages, there are many free applications that
let you record MP3 audio
 This unit is hot-pluggable, meaning it is not required for the unit to be powered off
before inserting or removing the microSD card
 Using MAC to write to card? MACs may also leave hidden non-MP3 files, ensure those
are deleted

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Mode Selection
MODE 1. Play a single file every time
o With device is on, press button “A” or “B” to traverse audio files until desired track is
selected
o Once desired track is playing, press button “A” until indictor starts flashing
MODE 2. Play multiple files in sequence
o With device on, press button “A” until indictor starts flashing
MODE 3. Play multiple files randomly
o With device on, press buttons “A” and “B” until indictor starts flashing.
TIP for Mode 2:
 Sequence of audio played follows the same sequence you used to transfer files to
the microSD card
For example, if you have files called 001.mp3, 002.mp3, and 003.mp3 and you
copy those files to the microSD card in this sequence:
002.mp3
then 003.mp3
then 001.mp3
then playback under mode 2 will be in that same sequence
 If you have many files and would like to playback in a particular sequence without
copying one file at a time, see the “Frequency Asked Questions” section.
Once motion is detected and audio is being played, the unit will not interrupt audio playback. It
will keep playing the current file until completion, after which it will wait approximately 2
seconds and start detecting new motion again. For best performance:
o do not put more than 255 files on the memory card or use a card with capacity
greater than 8 GB
o While unit supports up to 32GB cards, larger capacities may increase time
between motion detection and audio playback

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Powering the Unit
The unit can be powered directly from an AC outlet using the supplied USB power adapter, or it
can be powered using the internal rechargeable battery. To recharge battery, simply connect
the USB power supply to the unit. Charging time is approximately 4 hours. There is no indictor
to indicate once the battery is fully charged. Once fully charged, the built-in protection circuit
will automatically disconnect charging. When the unit is turned on, it goes through an
initialization process where it may take 10-30 seconds after power up for it to start detecting
motion
If you notice the performance of the unit degrading, such as lower sound volume or it is not
detecting motion, this indicates the battery is low and needs recharging. The factors dictating
how long the unit lasts on a single charge are:
o Activity in the room (how often unit triggers)
o Duration of audio files
o Volume setting selected
When using battery power, the unit will go into low power mode when no motion is detected
to save power. It will automatically wake up when motion is detected. There is a delay of 1s
between detection and sound playback if using internal memory, or 2 seconds if using the
microSD card.
Example Applications
This device has numerous applications:
 Promotes Independent Living:
o “Check that you have your keys, wallet, and cell phone before leaving”
o “Turn off oven before leaving”
 Door Greeter/Notifier for entrances and storefronts
o Senses people coming in and plays greeting, uses at shops, events, parties
 Point of Sale Advertising:
o Place on a shelf, automatically plays advertising material when customers pass
by
 Safety Reminder
o Plays a reminder as soon as personnel enter a restricted area
o Use to instruct pets to avoid certain areas when you are away
 Exhibits /Trade Shows
o Pre-record material and have it played automatically to visitors at your booth
 Security System
o Play audio of your choice as soon as motion is detected

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Frequently Asked Questions
Q: Can I use my phone to write to the memory card?
Not all phones support all memory cards. If your phone is not able to write to the provided
card, use a card reader or a PC. Alternatively, you can buy a memory card that is supported by
your phone. Note that cell phones often write other non-MP3 files to memory cards
automatically and those may need to be deleted if you are not getting audio playback
Q: I wrote files to the memory card and left the card in but the device is not playing back
audio.
Ensure your memory card only has MP3 files on it and no other files. Any file other than MP3
must be deleted. Also, when formatting the microSD card, ensure it is formatted using FAT32
standard and that the card capacity does not exceed 32GB
Q: When I write to the memory card using a non-Microsoft Windows operating system (such
as MAC), the unit is not playing back audio
Some systems write hidden files to the memory card. Delete all non-MP3 files, including hidden
files
Q: Can this product play WAV audio? If not, what is the solution?
This product only supports MP3 audio but there are plenty of free WAV to MP3 converts
available online
Q: During use, playback gets interrupted then continues to play and this repeats
This is caused by an unstable voltage and indicates that the battery is low. Recharge the battery
Q: After the unit is powered on, there is a period of time where there is no response or
delayed response.
After power on, there will be 10-20 seconds of power initialization time. During this period, it is
normal to have no or slow response. After this time, the unit will work normally
Q: When updating audio from memory card, indictor light keeps flashes for a long time.
This is an indication that the previous audio update did not complete successfully. For example,
the power was turned off or was unstable during the last update, causing the internal memory
to be corrupted. As a result, the unit is running a process to repair internal memory and this
may take a few minutes

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Q: How do I delete files?
Every time you write new files to memory, all old files will be deleted from internal memory
Q: I have lots of files and want them to be played in a specific sequence. Can you suggest an
easy way to do this?
Files are played back in the order you wrote them to the memory card. If you have lots of files,
you can use the following technique instead of manually copying files one by one to get the
order you want:
1. Name your files in a consistent way such that your operating system can easily sort
them in the order you want (such as “001.mp3”, “002.mp3”, etc…)
2. Sort files by name on your computer so that the first file you want played is at the top of
the list
3. Select all files
4. With all files still selected, right click on the very first file and select “Send To” and select
the appropriate drive
OR
With all files still selected, right click on the very first file and drag and drop to your
memory card
A Note about MP3:
MP3 is a popular format for sound files and supports different bitrates. As with all MP3 files and
devices, the playback time is dictated by the bitrate of your audio files. Recording programs
often give you the option of selecting which bit rate to use. A recording with a higher bit rate
provides better sound quality but also larger files.
Customer support & Warranty
We are here to help! If you have any questions or feedback, simply email us at
[email protected] . Your feedback and suggestions are always welcome and help inspire
future products. This unit comes with a 1-year warranty. If the unit is found defective, we will
replace the unit at no cost to you or issue a full refund. Tampering with the internals of the unit
or using the unit outdoors will void the warranty.
Limited time offer:
Please register your product online within 21 days of your order and we will extend your
warranty by 2 months free! It takes less than 60 seconds, register here:
http://www.sierrateck.com/registration.html