DELUX GM903 Ergonomic Keyboard User Manual

User Manual
GM903
ERGONOMIC KEYBOARD

Thank you for choosing this keyboard. Please read the user manual carefully before using this product.

Contents hide

Compatibility

Compatible with Windows/Mac OS.
Keyboard Usage
1. Connection
This ergonomic keyboard can connect with 2.4G and two Bluetooth 5.0 devices at the same time. You can switch the connection modes circularly by the mode button.
2. Mode switch
Press the mode button to switch between 2.4G-BT1-BT2, now the display screen shows the current mode state 2.4G/BT1/BT2.
3. How to code
►2.4G mode
The first switch to 2.4G mode, then hold down the mode button for 2S to code (20S code matching time), now the screen shows 2.4G disconnection icon, next release the mode button, insert the receiver to the computer USB port to code(30CM code matching distance), after the coding is finished properly the icon will show as now the keyboard can work normally.
►Bluetooth mode
First switch to Bluetooth mode, then hold down the mode button for 2S to code(2 minutes code matching time), now the screen shows a Bluetooth disconnection icon, or next release the mode button, “Delux-GM903” can be searched for(outdated systems including WIN7 NOT available), click “Delux-GM903” to code, after the coding is finished properly the icon will show as * or.
4. Display screen

Battery capacity: battery voltage between 3.0V-4.0V shows battery capacity between 0%-100% (the data is for reference only).

The screen shows during charging and will disappear when fully charged.
Connection Mode:2.4G/BT1/BT2.

Coding state: disconnection icon during the coding state, and connection icon when finishing coding.
Button icon: NUM LOCK, CAP LOCK, FN, MAC/WIN.

5. Charging reminding
This keyboard is with a built-in 1100mAH Li-on battery and a charging temperature of 0-45 C.
Low voltage warming: when the battery capacity is lower than 20%(now the battery voltage is lower than 3.3V±0.1V), the keyboard backlight will flash twice every 10S to indicate the user to charge the keyboard in time. When the battery capacity is lower than 10/0(now the battery voltage is lower than 3.0V±0.1V), the keyboard will be off and stop working.
Button function
Standard button+mode switch keys+wireless/wired version switch keys+multimedia keys.
Multimedia function
This keyboard is set as a Multimedia function(default), and F3/F4 is designed for the Apple system. Press FN+ESC to open FN, and now the screen shows, when F1-F12 is working. Press FN+ESC to close FN, now the icon will disappear, and back to the multimedia function.

	Brightness-		Brightness+
	Multi-window		APP
	Desktop		Search for
	Previous track		Play/Pause
	Next track		Mute
	Volume-		Volume+

8. Keyboard version function
This keyboard is set as MAC before factory and this screen shows the Mac icon. The screen will show the icon Win when switching the version new the keyboard is with WIN function
Numlock & uppercase/lowercase
The screen will show when switching 1 on Numlock and will disappear when switching off. The screen will show A when switching on uppercase/lowercase and will disappear when switch off.
10. Backlight switch(only applicable for keyboard with backlight)
FN+WIN(at right) to switch on/off the backlightFN+↓↑to adjust the brightness with 4gears.
11. Working distance:10M