Actto Bluetooth Mechanical Keyboard

Bluetooth Connection Method (3 Devices)

Connecting to the First Bluetooth Device (CH 1)

1. Turn the mode switch dial to activate the Bluetooth CH 1 indicator. [Blue LED blinking]
2. Activate the Bluetooth function on the device to be connected and select "ActtoKB - Item No. (B703 or B705)". [Blue LED solid]

Connecting to the Second Bluetooth Device (CH 2)

1. Turn the mode switch dial to activate the Bluetooth CH 2 indicator. [Blue LED blinking]
2. Activate the Bluetooth function on the device to be connected and select "ActtoKB - Item No. (B703 or B705)". [Blue LED solid]

Connecting to the Third Bluetooth Device (CH 3)

1. Turn the mode switch dial to activate the Bluetooth CH 3 indicator. [Blue LED blinking]
2. Activate the Bluetooth function on the device to be connected and select "ActtoKB - Item No. (B703 or B705)". [Blue LED solid]

An LED will remain illuminated on the corresponding channel once pairing has been completed.

Bluetooth Connection Method (Mac PC)

1. Click "System Preferences" > "Bluetooth" on your Mac.
2. Click "Turn Bluetooth On."
3. Select the Bluetooth channel by rotating the "mode switch dial" (CH 1 to 3). [Blue LED blinking]
4. Activate the Bluetooth function on the device to be connected and select "ActtoKB - Item No. (B703 or B705)". [Blue LED solid]

Bluetooth Connection Method (Windows 10/11)

Ensure your computer has a built-in Bluetooth receiver. If not, a Bluetooth receiver must be installed.

1. Bluetooth devices appear in the taskbar when connected.
2. Hover over the Bluetooth icon and right-click.
3. Click "Add Bluetooth Device".
4. Select the type of device to search for (select "Bluetooth").
5. Rotate the mode switch dial to select the Bluetooth channel (CH 1 to 3). [Blue LED blinking]
6. Activate the Bluetooth function on the device to be connected and select "ActtoKB - Item No. (B703 or B705)". [Blue LED solid]

System Conversion

To ensure proper key functionality across different operating systems, perform system conversion using the following key combinations:

• Android: Fn + Q
• Windows: Fn + W
• iOS, Mac: Fn + E

Note: Some keys may not function as expected depending on the connected device and system. If the OS connected to each device is different, use the [System Conversion] keys accordingly.

Backlight Settings

• Brightness Reduction: Fn + F5
• Brightness Increase: Fn + F6
• Speed Reduction: Fn + PrtSc / Fn + PgUp
• Speed Increase: Fn + Insert / Fn + PgDn
• Change Backlight Mode (20 types): Fn + Del
• Backlight Off: Fn + Back

Volume Control

The keyboard features a dedicated volume control dial for convenient adjustment.

Power On/Off

Power button location: [Power button]

• To turn on: Push the power button to the right.
• To turn off: Push the power button to the left.

Charging Method

1. Connect the supplied USB Type-C cable to the charging port.
2. Charging begins when the USB port is connected to the charging adapter.

Important Charging Notes:

• Please use a 5V/1A Low power adapter only.
• Do not use 5V/2A-9V/2A High power adapters.

Battery Indicator

• Over 70% battery: Green LED
• 10% - 70% battery: Blue LED
• Below 10% battery: Red LED
• Charging: Green LED blinks
• Fully Charged: Green LED solid

Other Indicators

• Caps Lock Indicator: LED turns on when Caps Lock is pressed.
• Num Lock Indicator: LED turns on when Num Lock is pressed. (Note: Num Lock is not supported on iOS devices, and the LED will not activate.)

Function Keys (12 Hot Keys)

To use these functions, hold down the Fn key and press the corresponding function key.

Note: Some functions may not be supported on iOS devices.

How to Reset Bluetooth Pairing

To delete all device information connected to CH 1 to 3:

• Press and hold Fn + C for approximately 3 seconds.

Re-pairing:

• You can re-pair your device with another device by pressing Fn + K together for approximately 3 seconds.

Changing Bluetooth Channel:

• Rotate the "mode switch dial" to change channels. Automatic connection to registered devices occurs.

Deleting Pairing History:

• Delete the pairing history (forget device and remove the device) from each existing connected device.
• This must be done without disabling the Bluetooth function on the connected devices.

How to Do a Factory Reset

If you press Fn + ESC for about 3 seconds:

• Backlight settings are removed.
• All device information connected via Bluetooth (CH 1 to 3) is deleted (initializes connection).

Battery Power Saving Mode

After approximately 5 minutes of inactivity, the device enters sleep mode. You can switch to operating mode automatically by pressing any key.

Cautions

• Read the product's user manual carefully before using it.
• The presence of many Bluetooth devices may result in frequency confusion. Ensure the product is not disturbed by other Bluetooth devices.
• The shafts (switches) of this product are very difficult to exchange. Do not disassemble or assemble arbitrarily.
• We recommend removing the keyboard and keycap with the power off before cleaning.
• It does not support waterproof or dustproof functions. Be careful to avoid contact with water or contamination such as dust.
• Can be used at a distance of up to 10 meters. (Disconnection may occur due to interference from obstructions or devices using the same frequency band or Wi-Fi signal.)
• If connecting Bluetooth to a PC via a laptop or USB dongle, download and install the latest Bluetooth driver from the manufacturer before starting the connection.
• Please turn off the power after use. The battery may run out quickly if the power is not turned off.
• Use the approved charging cable that came with the product. Do not overcharge for extended periods (e.g., up to 24 hours or more). Charging time may vary depending on the charging environment (output).
• Use while charging is not recommended.
• Battery lifespan may be shortened, or the device may become temporarily unresponsive if the battery is too hot or too cold.
• Do not store in places with high temperatures and humidity, as this may cause a malfunction.
• Be careful not to hurt your hands when opening the package, as injuries may occur from cut portions.
• To improve performance, specifications may change without notice.

FCC Compliance Information

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

FCC ID: 2A3GJ-B703

Website: www.actto.com