seenda Bluetooth Keyboard ISJ-DJC04-2 User Manual

1. Introduction

Thank you for choosing the seenda Bluetooth Keyboard ISJ-DJC04-2. This manual provides detailed instructions for setting up, operating, and maintaining your keyboard. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.

Key Features:

• Multi-Device Connectivity: Connects to up to 3 devices simultaneously via Bluetooth.
• RGB Backlighting: Features 7 LED backlight colors and 3 adjustable brightness levels for comfortable typing in various lighting conditions.
• Universal Compatibility: Supports Windows, Mac OS, Android, and iPad OS.
• Comfortable and Quiet Typing: Ergonomic design with scissor-switch keys for a precise and silent typing experience.
• Rechargeable Battery: Built-in 1500mAh lithium battery, rechargeable via Type-C port.

2. Setup

2.1 Package Contents

• seenda Bluetooth Keyboard ISJ-DJC04-2
• USB-C Charging Cable
• User Manual

2.2 Initial Charging

Before first use, fully charge the keyboard. Connect the provided USB-C cable to the keyboard's charging port and the other end to a USB power source (e.g., computer, USB wall adapter). The charging indicator light will show the charging status.

2.3 Powering On/Off

Locate the power switch on the keyboard. Slide it to the 'ON' position to power on the keyboard. Slide it to the 'OFF' position to power off.

2.4 Pairing with Devices

The keyboard supports connecting to three different devices. Follow these steps to pair your keyboard:

1. Turn on the keyboard.
2. Press and hold the Fn key and one of the Bluetooth channel keys (BT1, BT2, or BT3) for 3-5 seconds until the corresponding indicator light flashes rapidly. This indicates the keyboard is in pairing mode.
3. On your device (computer, tablet, smartphone), enable Bluetooth and search for available devices.
4. Select "seenda Keyboard" or a similar name from the list of found devices.
5. If prompted, enter the pairing code displayed on your screen using the keyboard and press Enter.
6. Once paired, the indicator light will stop flashing and remain solid for a few seconds before turning off. The keyboard is now connected.

Repeat these steps for up to two additional devices using the other Bluetooth channel keys (BT2, BT3).

Image: Bluetooth connection diagram, illustrating how the keyboard connects to three separate devices (laptop, desktop, tablet) using distinct Bluetooth channels.

3. Operating Instructions

3.1 Switching Between Connected Devices

To switch between your paired devices, simply press the Fn key along with the corresponding Bluetooth channel key (BT1, BT2, or BT3) that your desired device is paired to. The keyboard will automatically connect to the selected device.

Image: Multi-device switching, demonstrating the use of Fn + BT1/BT2/BT3 keys to seamlessly transition between three connected Bluetooth devices.

3.2 Backlight Control

The keyboard features 7 different backlight colors and 3 brightness levels.

• Turn On/Off Backlight: Press Fn + Light Bulb icon key to toggle the backlight on or off.
• Adjust Brightness: Press Fn + Light Bulb icon key repeatedly to cycle through 3 brightness levels.
• Change Backlight Color: Press Fn + RGB icon key to cycle through the 7 available backlight colors.

Image: Backlight controls, showing the specific key combinations (Fn + Light Bulb icon, Fn + RGB icon) for adjusting backlight brightness and cycling through colors.

3.3 Multimedia and Shortcut Keys

The keyboard includes dedicated function keys that can be used as multimedia controls or system shortcuts when combined with the Fn key. The specific functions may vary slightly depending on your operating system (Windows, Mac OS, Android, iPad OS).

Image: Multimedia and shortcut keys, detailing the functions of the F-keys when used with the Fn modifier key.

4. Maintenance

4.1 Charging the Keyboard

When the battery is low, the low battery indicator light on the keyboard will flash. Connect the keyboard to a power source using the USB-C cable to recharge. A full charge takes approximately 3.5 hours.

• Battery Capacity: 1500mAh
• Charging Time: Approximately 3.5 hours
• Standby Time: Up to 3000 hours
• Working Time (without backlight): Up to 320 hours
• Working Time (with brightest backlight): Up to 8 hours

Image: Rechargeable keyboard, highlighting the Type-C charging port and providing details on charging time and battery life under different usage conditions.

4.2 Cleaning

To clean your keyboard, power it off and disconnect it from any devices. Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution. Avoid excessive moisture and do not spray cleaners directly onto the keyboard. For dust and debris between keys, use compressed air.

5. Troubleshooting

If you encounter issues with your keyboard, please refer to the following common problems and solutions:

• Keyboard not connecting:
  • Ensure the keyboard is powered on and fully charged.
  • Make sure Bluetooth is enabled on your device.
  • Ensure the keyboard is in pairing mode (indicator light flashing).
  • Try unpairing and re-pairing the keyboard on your device.
  • Ensure the correct Bluetooth channel (BT1, BT2, or BT3) is selected for your device.
• Keys not responding:
  • Check the battery level and charge the keyboard if necessary.
  • Ensure the keyboard is properly connected to your device.
  • Restart your device and the keyboard.
• Backlight not working:
  • Ensure the backlight is turned on using Fn + Light Bulb icon key.
  • Check the battery level; low battery might disable backlighting.
• Lag or delayed input:
  • Ensure there are no strong interferences (e.g., other wireless devices) nearby.
  • Move the keyboard closer to your device.
  • Ensure your device's Bluetooth drivers are up to date.

6. Specifications

7. Warranty and Support

For warranty information and customer support, please refer to the documentation provided with your purchase or contact the retailer/manufacturer directly. Keep your proof of purchase for warranty claims.