XK21 Left Handed Keyboard
User Manual

XK21 Left Handed Keyboard

Wireless Bluetooth Keyboard

Product Functions

2.4G Connection

1. Set up the power switch to “ON”.
2. Take out the USB Receiver.
3. Insert the USB receiver into your computer USB port.
4. Press the button to enter into 2.4G Mode, white indicator light flashes slowly, indicates that your keyboard has switched to 2.4G mode.

Bluetooth Connection (Take BT1 for Example)

1. Set up the power switch to “ON”
2. Press the BT1 button, white indicator light flashes for 2s, indicates your keyboard has switched into BT1 channel.
3. Hold and press the BT1 button for 3-55 until the white indicator light blinks quickly, indicates your keyboard has entered into Paying status.
   Note: You can repeat above steps if you switch to BT2.
   WIN 10 system
4. Click the *Bluetooth Devices” on your computer.
5. Click “Add or delete Bluetooth devices”
6. Find “ProtoArc XK21″, click pair.
7. “ProtoArc XK21” shows connected, you can use the keyboard now.

MAC OS system

Please complete Bluetooth Connection steps 123 and switch your keyboard into Bluetooth Mode before pairing.

1. Click “system reference”.‘
2. ”Click Bluetooth”
3. Find *ProtoArc XK21″, click “pair”, you can use the keyboard when it shows “connected”.

10S System

Please complete Bluetooth Connection steps 123 and switch your keyboard into Bluetooth Mode before pairing.

1. Go to Settings and tum Bluetooth on.
2. search for “ProtoArc XK21″ and Click *Pair’, pairing successfully.
3. The keyboard connects.

Android System

Please complete Bluetooth Connection steps 123 and switch your keyboard into Bluetooth Mode before pairing.

1. Click “Settings” and turn on *Bluetooth’.
2. Find *ProtoArc XK21″, click “pair”.
3. “ProtoArc XK21″ shows “connected”, you can start using the keyboard.

How to Switch Between Modes

You can press the corresponding channel button to switch between connected devices.

Keyboard Charging

When the keyboard is in low power, The indicator light corresponding to the channel you are using flashes quickly until the keyboard is powered off. Please charge the keyboard in time to make sure it has enough power to meet your work  demands. If the battery power is oo low, there will be a delay and stuck problem when you use.

Social Media Keys

Button	WIN System	Android System	IOS System	MAC OS System
	Mute	Mute	Mute	Mute
	Volumn –	Volumn –	Volumn –	Volumn –
	Volumn +	Volumn +	Volumn +	Volumn +
	Previous track	Previous track	Previous track	Previous track
	Play & Pause	Play & Pause	Play & Pause	Play & Pause
	Next track	Next track	Next track	Next track
	Reduce brightness	Reduce brightness	Reduce brightness	Reduce brightness
	Enhanced brightness	Enhanced brightness	Enhanced brightness	Enhanced brightness
	Select all	Select all	Select all	Select all
	Copy	Copy	Copy	Copy
	Paste	Paste	Paste	Paste
	Cut	Cut	Cut	Cut
	Home page	Back to desktop	Back to desktop	NA
	Search	Search	Search	Search
	FN+ CZ Open or Close FN function

Note: FN function is cycle mode. (F1-F12 and multimedia function recycling)

Product Specifications

Name	Specifications
Compatible Systems	2.4G Compatible System: Microsoft System Bluetooth Compatible System: Window 8, Windows 10 or higher Mac os X 10.10 or higher Android 4.3 or higher
Battery Capacity	280mAh
Sleep Time	Enters into sleep mode after 30 mins of inactivity
Battery Life	1000 times
keys Life	3 million times
Standby Time	200 hours
Wake up Method	Click any key to wake up
Wireless Range	8m
Working Current	s3mA
Product Dimensions	427.8’114.3’15.8mm

Warm Reminder

1. If you fail to connect to the Bluetooth, you can try reconnect after removing some connected Bluetooth from your device, or tum off the keyboard and turn back on, then reopen the device to reconnect.
2. To switch between paired devices, just press the channel button and wait for 3s, then you are ready to go.
3. This keyboard has a memory function. When you tur off the device and turn back on, the keyboard defaults to the channel you used before the shut down and the channel indicator light flashes every 3 seconds.

Sleep Mode

1. The keyboard will automatically enter into sleep mode after 30 minutes of inactivity, the Led indicator light will turn off.
2. You can just click any key to wake up the keyboard, the LED indicator light turn on, your keyboard starts to work

Package Contents

1*Wireless Bluetooth Keyboard
1*USB Charging Cable
1°USB Receiver
1°User Manual

support@protoarc.com | www.protoarc.com

Documents / Resources

ProtoArc XK21 Left Handed Keyboard [pdf] User Manual XK21 Left Handed Keyboard, XK21, Left Handed Keyboard, Handed Keyboard, Keyboard

References

• User Manual