Waytronic MicroSound Manuel utilisateur
1
MicroSound
Voice Prompter (Body Induction)
WT-M12
1. Product features
Small and exquisite, MP3 audio format, excellent sound quality.
Two levels volume for option, small or maximum.
Human body induction, induction distance within 4 meters.
Using WT2003 voice chip solution, unrepeatable triggering pulse.
Standard 32Mbit SPI-flash, available to replace capacity according to customer requirements.
A and B buttons are corresponding to the previous audio, the next audio.
Power-down memory function.
Micro USB interface.
Support to replace the audio files of SPI Flash through USB interface on computer.
3 AAA batteries or USB for power supply.
Built-in 8Ω1 watt speaker.
2. Electrical parameters
Power supply mode
DC3V~ 5V stabilized voltage supply or 3 *AAA Batteries
Working Current
Sleep standby mode
≤100uA
Playing mode
≤200mA(DC4.7V)
Audio Format
MP3
Bit Rate: 8~320Kbps
Audio Output Power
8Ω/1W(typical value)
Infrared Induction Range
≤4m(120°Angle)
3. Appearance introduction
This product is easy to use. Support voice file replacement on computer through USB interface, but not support to read
SD card. It includes a micro USB interface, two keys A and B, a slide switch.
2
Slide Switch
To the bottom
Switch off
To the middle
Small volume
Uppermost
Maximum volume
Playing
indicator light
Light off
Power off or no voice playing
Light on
Voice playing
The LED quick flash 8 times
when finished audio playing
Low battery, low sound
The LED quick flash 3 times
Battery used up, no sound
Button A
Short press
Play the previous audio
Long press
Switch to A/B mode: Indicator light flashes once, means it
is A mode(loop sequence ), flashes twice means it is B
mode(single playback).
Button B
Short press
Play the next audio
Micro USB
interface
Connect DC5V power adapter
or computer
Supply power; download audio files.
★Note:
1. When switch on, wait about 20S, then it can work normally. Within 4 meters, when people or animal walk by, it will
trigger the sensor to play voice.
2. Each time, after triggering to play voice, you need to wait 2S, then it can trigger again to play voice.
3. Each time, after triggering, go out of the induction range and enter the range again, then it can have a better effect of
the next trigger.
4. In B mode, you only need to short press key A or B to select audition of the triggering voice, need no other
3
operations.
5. Key function is only valid during the process of voice playing. If no voice play, it’s invalid to press key.
6. If plug in the power, please remember to remove the batteries to avoid unexpected accidents.
4. Audio download
It’s easy to replace audio files. Just use USB cable to connect to computer, here will appear a drive. You just need to
copy audio files into this drive.
★Note:
1. The audio file size should be not more than internal FLASH capacity. Only support MP3 audio format.
2. After copying is complete, sometimes play a section voice. When finishing the voice play, 3 seconds later, it can
trigger and play again.
3. You can copy any voice, tones, music, into this product, as long as the format is MP3, within memory capacity.
Besides, you can make your own personalized voice.
5. Brief operation introduction
How to replace voice files:
1. Convert the voice into MP3 format.
2. Connect to computer by USB cable. Computer will automatically appear a “removable disk”.
3. Format the “removable disk”.
4. Open it by double-clicking, choose voice files to copy.
Infrared principle: the temperature of induction area rises suddenly, then trigger induction.
Only suitable for indoor use.
If environment temperature is over 30℃, infrared induction distance will be shortened, which is a normal phenomenon.
If environment temperature is over 37℃, infrared induction will be invalid, because human body temperature is 37℃,
so it cannot sense.
Induction distance too short?
Reason 1: low battery (you can use regular alkaline batteries)
Reason 2: environment temperature too high, influences its induction distance.
Reason 3: after playing a section voice, there will be 3 seconds interval. Wait 3s, then it can trigger and play.
Reason 4: when testing, if parallel with infrared ray, it will be unable to trigger effectively. You should walk form the left
of device to the right, forming a cross with infrared ray, then it can trigger.
Normal induction distance is 0-3 meters. If the temperature is high, induction distance is about 2 meters.
If there is electric fan or air conditioner blowing, influence on the temperature of induction area, it can trigger to play
voice.
So you’d better to choose the environment to test where there is no electric fan or air conditioner blowing.
6. Installation
Side wall mounted
About 1.5 meters above the ground is the best. About 1 meter far from the door-frame. Use the mounting holder to fix
the device, toward the door, 45°(see picture).
4
Installed on the top of the door
About 2 meters above the ground is the best. Lay across, paralleled with door-frame. If door-frame is wide, installed
crosswise.
Detailed installation depends on the environment, just installed where people pass by. It can be used for reminding,
sales promotion, doorbell, visitor welcome, etc.
7.FAQ:
Q1. Why is there no sound when the human body induction is turned on?
Answer: (1) Please check whether the product successfully copied the voice;
(2) Please confirm whether the voice file is correct and whether the voice size is greater than the storage capacity of
the product. This product comes standard with 4M memory, supports MP3 format audio files, bit rate: 16-320Kpbs,
128Kpbs is recommended; (the total voice content should be less than 4 minutes )
Q2. What power supply method does the product use?
Answer: This product is powered by a 5V USB power adapter or 3 AAA dry batteries (note that when a USB power
adapter is used for power supply, a data cable and adapter with USB data reading function cannot be used)
Q3. Why can't I download the voice when I connect to the computer via Micro USB?
Answer: (1) Please make sure that the Micro USB cable is a 4PIN data cable.
(2) After the product is connected to the computer, it needs to wait about 6 seconds to successfully read the disk.
Q4. Why are there situations such as non-reporting, false alarming, and too close sensing distance?
Answer: (1) The product needs to wait 6 seconds for power-on initialization before it can work normally.
(2) This product adopts the principle of infrared pyroelectric induction, and the working temperature is 0-33℃, which is
easily affected by changes in ambient temperature. Please do not approach air conditioners, fans, and other places
with large temperature differences;
(3) If the voltage of this product is too low, it will work unstable. Please confirm whether the battery is dead;
Q5. Why is there a stuttering or intermittent phenomenon when playing a voice?
Answer: (1) Please confirm whether the bit rate of the MP3 audio file is within the range of 16-320Kpbs.
(2) Please check whether the battery power is insufficient. If the voltage of this product is too low, it will work unstable.
Please replace the battery in time.
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