DOREMIDI MTB-22 User manual

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1. Product Introduction
MIDI to Bluetooth adapter (MTB-22), with MIDI to wireless Bluetooth MIDI function, can
connect the circular MIDI interface of electronic musical instruments, wireless Bluetooth
MIDI signals; can use mobile phones or tablets, connect to MTB-22, MTB-22 is compatible
with the market Commonly used APP software. MTB-22 is compatible with Windows, Mac,
iOS, Android and other systems.
2. Product Appearance
❶Micro USB interface: connected to 5V/1A power supply, used to supply power to the
product (if needed).
❷Bluetooth indicator:flashing means that the Bluetooth is not connected, and always on
means that the Bluetooth connection is successful.
❸MODE Button: Long press to switch modes, the bluetooth indicator light indicates the
standard normal mode, and the red indicates high-speed mode.
❹MIDI plug: connect to the instrument, plug IN connects to the OUT jack of theinstrument,
plug OUT connects to the IN jack of the instrument.
(Note: If the product can work normally after the MIDI port is connected, power
supply is not required; in addition, power supply can improve the transmission
stability, which can be selected according to actual needs.)
3. Product Parameters
Name
Description
Model
MTB-22
Length
16cm
Weight
41g
MIDI Plug
High-performance FTP processing of one input and one output 16-channel MIDI
plug
Indicator Light
Bluetooth work indicator
Bluetooth version
Bluetooth Low Energy 5.0
Compatible
MIDI Instrument
Compatible Models
Windows、Mac、iOS、Android
(Please check the latest compatibility table:
http://www.doremidi.cn/h-pd-24.html?
fromColId=104）
App compatible
GarageBand, SimplyPiano and other apps with Bluetooth MIDI

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4. Product Using
1. Connect MIDI devices
Connect the MIDI-IN plug to the MIDI-OUT interface of the MIDI device, and connect
the MIDI-OUT plug to the MIDI-IN interface of the MIDI device to use.
2. Bluetooth usage steps
Connect to the product using the APP on the iPhone/iPad/iPod Touch, taking the IOS
Garageband as an example:
(Note: Bluetooth MIDI connections are all connected in the settings of the
corresponding APP, not in the settings of the mobile phone system.)

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5. Precautions
1. This product contains a circuit board.
2. Rain or immersion in water may cause the product to malfunction.
3. Do not heat, press, or damage internal components.
4. Non-professional maintenance personnel are not allowed to disassemble the product.
5. The working voltage of the product is 5VDC, using a voltage lower or exceeding this
voltage may cause the product to fail to work or be damaged.
6. Q&A
Question: Does MTB-22 need power supply?
Answer: If the product can work normally after the MIDI port is connected, power supply is
not required; in addition, power supply can improve the transmission stability, and choose
according to actual needs.
Question: When connected to a mobile phone/iPad/, there will be freezes and delays when
playing MIDI notes.
Answer: Please clear the phone/iPad cache, turn off the unused software, or restart the
device before using it.
Question: How do other APP software, including Windows, connect to Bluetooth?
Answer: Please refer to "DOREMiDi Bluetooth MIDI Connection Tutorial.pdf".
Link: http://www.doremidi.cn/h-pd-24.html?fromColId=104
If the problem is not resolved, please contact customer service.
Manufacturer: Shenzhen Huashi Technology Co., Ltd.
Address: Room 9A, 9th Floor, Kechuang Building, Quanzhi Technology Innovation Park,
Shajing Street, Baoan District, Shenzhen, Guangdong, China
Post Code: 518104
Customer Service Email: [e-mail]