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This User Manual covers functions, setup, pairing, charging, LED indicators, hot key functions, and safety instructions for the Satechi Slim EX1 Wireless Keyboard (ST-KEX1C-EN / ST-KEX1S-EN).

Specifications

Connectivity: Bluetooth (up to 3 devices) and 2.4GHz USB-C receiver
Charging: USB-C Charging Port
Charging Time: 2 to 3 hours

Functions

1. Media / Functions Keys: See the Hot Key Function Guide below.
2. 2.4GHz Receiver Key with LED: Same key as the letter R. Press Fn + R to switch to the 2.4GHz receiver.
3. Bluetooth Device Keys with LED Indicator: Press Fn + Q, W, or E to switch between Bluetooth 1, Bluetooth 2, and Bluetooth 3.
4. Caps Lock LED Indicator: White LED turns on when Caps Lock is enabled.
5. WIN Modifier Keys (switch in WIN mode)
6. MAC Modifier Keys (switch in MAC mode)
7. MAC / WIN Switch: Selects the OS that the key functions are based on.
8. ON / OFF Switch: Turns the keyboard on or off.
9. Power / Charging LED: See LED Indicators below.
10. USB-C Charging Port: Connect the included USB-C charging cable here to charge the keyboard.
11. 2.4GHz Receiver USB-C: The included 2.4GHz USB-C receiver dongle. Remove it from the keyboard and connect it to your device.
12. Battery Cover with Screw

Setup

Powering On / Off

To turn the keyboard on or off, move the switch on the top of the device to the "on" position. The green power indicator light will turn on for about 3 seconds.

Pairing Your Devices (Bluetooth)

You can pair up to 3 Bluetooth devices, plus the 2.4GHz receiver.

The pairing diagram shows which Fn key to hold for each layout: on Mac, the globe / fn key; on Windows, the fn key.

1. Press and hold the Fn Key and one of the three Bluetooth Keys (Q, W, or E) or the 2.4GHz receiver key (R) for 3 seconds to assign a device to it. The white LED light should start blinking.
2. On the host device, look for "EX1 Keyboard" in the Bluetooth Setting, then choose "Connect" to pair. The white LED will stop blinking, indicating a successful pairing. Repeat the process to add up to 3 Bluetooth devices. If you are connecting to the 2.4GHz receiver, ensure it is securely connected to the host device before you start the pairing process.

Note: After 60 minutes of non-operation, the keyboard will go to sleep mode. Press any key to wake it up. To switch between Bluetooth 1, Bluetooth 2, Bluetooth 3, and the 2.4GHz receiver, press Fn + Q, W, E, or R.

2.4GHz USB-C Dongle Connection

1. Remove the included 2.4GHz USB-C receiver dongle from the back of your keyboard.
2. Connect it to the USB-C port on your device.
3. The EX1 keyboard should now be connected to the 2.4GHz receiver.

Note: If the keyboard does not connect automatically to the 2.4GHz receiver, it may be necessary to put the keyboard in pairing mode. First, remove the 2.4GHz receiver from the device. Hold down the Fn key while pressing the 2.4GHz dongle icon on the keyboard (same key as the letter R) to start the pairing process. Insert the 2.4GHz receiver into the device. This will allow the keyboard to find the 2.4GHz dongle and connect.

Charging Your Keyboard

1. When the battery is low, the power indicator will flash red. Connect the keyboard to a computer or USB-C wall adapter using the included USB-C charging cable.
2. Charge the keyboard for 2 to 3 hours, or until the red charging LED light turns green.

Note: The keyboard is designed to accept a low wattage, so any wall charger 5W or greater is acceptable.

LED Indicators

ON/OFF: turns green for 3 seconds and turns off.
Low Battery: flashes red when the battery is low.
Charging: turns red when it's charging.
Fully Charged: turns green and stays green.
Caps Lock: white LED turns on when Caps Lock is enabled.

Hot Key Function Guide

Note: The key function is based on the OS selected via the MAC/WIN switch. For buttons F1 to F12, press Fn + Esc to enable the function.

Safety Instructions

Warning: Fire, electric shock, or damage to the keyboard could occur if the following instructions are not obeyed.

1. Keep away from microwave radiation sources.
2. Do not place heavy objects on this product.
3. No dropping and bending.
4. Keep away from oil, chemical, or organic solvents.