Connection
- Toggle switch right of CapsLock:
• Up (default): Power OFF
• Down: Power ON
When Switch OFF: Connect USB cable for wired mode
When Switch ON:
Bluetooth Pairing (BT1/BT2/BT3):
- New pairing: Hold Fn+[1/2/3] until blue light below number flashes rapidly → Pairing mode
- Switch device: Briefly press Fn+[1/2/3]
- Connecting: Blue light blinks slowly
- Success: Solid blue light (3 seconds)
2.4G Wireless:
- New pairing: Hold Fn+4 until green light below "4" flashes rapidly
- Switch mode: Briefly press Fn+4
- Connecting: Green light blinks slowly
- Success: Solid green light (3 seconds)
Wired Mode: Press Fn+5 to switch
Battery Indicator
- Toggle display: Fn+Tab (default OFF)
- Low battery: Red slow blink (always active)
- Charging display (when enabled):
• 0-50%: Red
• 51-80%: Orange
• 81-100%: Green
- Check level: Fn+Space → Color indicates range
Lighting Controls
- Effects cycle (Fn+PRT): Streaming → Neon → 7 Colors → OFF
- Brightness (5 levels: Default 5, Level 1=OFF):
• Fn+↑: Brighter
• Fn+↓: Dimmer
- Effect speed (5 levels: Default 3):
• Fn+→: Faster
• Fn+←: Slower
- CapsLock ON: Solid white light
- CapsLock OFF: User preset resumes
Advanced Functions
- OS Switch:
• Windows: Hold Fn+Q 3s (RGB flashes)
• Mac Mode: Hold Fn+M 3s (F1-F12 maps to Mac)
- Factory Reset: Hold Fn+Esc 3s (RGB flashes)
Device Names
- Wired: the Base 75+
- Bluetooth: the Base 75+ BT1/BT2/BT3
- 2.4G: the Base 75+ 2.4G Wireless