1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your EKIY MTC-21 Motorcycle GPS Navigation System. Please read this manual thoroughly before using the device to ensure safe and optimal performance. For additional details, refer to the official PDF user manual available at this link.
2. Setup
2.1 Package Contents
Before installation, verify that all items are present in the package:
- MTC-21 Host Unit (7-inch display)
- Mounting Bracket
- Power Cord
- GPS Antenna

The package includes the main unit, mounting bracket, power cord, and GPS antenna.
2.2 Mounting the Device
Attach the mounting bracket to a suitable location on your motorcycle's handlebars or dashboard, ensuring it does not obstruct your view or control of the vehicle. Securely attach the MTC-21 host unit to the bracket.
2.3 Wiring Instructions
The device operates on a 12V DC cathode grounded battery system. Connect the power cord to your motorcycle's electrical system as follows:
- Black Wire: Connect to the motorcycle's ground.
- Yellow Wire: Connect to the positive terminal of the motorcycle's battery (constant 12V).
- Red Wire: Connect to a switched ground source (e.g., ignition-switched power) to allow the device to power on/off with the motorcycle.
Warning: Incorrect wiring can damage the device or your motorcycle's electrical system. If you are unsure, consult a professional.
2.4 GPS Antenna Connection
Connect the GPS antenna to the designated port on the MTC-21 host unit. Position the antenna in a location with a clear view of the sky for optimal signal reception.
3. Operating Instructions
3.1 Main Interface Overview
Upon powering on, the device will display the main interface. This screen provides quick access to key functions:

The main interface displays time, music player, speed, positioning, CarPlay/Android Auto access, audio output, and navigation icons.
- Time: Current time display.
- Music: Access the built-in music player.
- Speed & Positioning: Displays current speed and GPS coordinates.
- CarPlay & Android Auto: Quick access to smartphone integration.
- Audio Out: Manages audio output settings.
- Started APP: Shows recently used applications.
- Home: Returns to the main interface.
- APP: Opens the application drawer.
- Setup: Access system settings.
- Return: Navigates back to the previous screen.
3.2 Application Menu
Tap the 'APP' icon to view all installed applications. This includes pre-installed apps like Calendar, Chrome, Settings, Google Store, Phone Link, Maps, YouTube, Spotify, Calculator, Files, MMI test, AudioOut, NativePlayer, Bluetooth, and GPS Test Plus.
3.3 Wireless CarPlay Connection
To connect your iPhone via Wireless CarPlay:
- Tap the CarPlay icon on the main interface.
- On your iPhone, enable Wi-Fi.
- On your iPhone, go to Bluetooth settings and search for the device named
