High quality nano digital smart touch screen teaching all in one electronic writing blackboard
teaching nano blackboard-8
Nano Blackboard User Manual: From Basic Writing to Advanced Annotation
1. Getting Started
1.1 Power & OS Selection
Power on: Hold physical button for 3s or use remote (10m range)
OS Switch: Tap OS toggle (3s for Android→Windows, 1s reverse)
1.2 Basic Writing
Tool | Activation | Customization |
Pen | 1st toolbar icon | 1-10px width, 16 colors |
Brush | Long-press pen icon | 30%-100% opacity |
Highlighter | 3rd toolbar icon | 3 gradient modes |
1.3 Page Management
New page: Two-finger swipe from right
Navigation: Five-finger pinch for thumbnails
Export: PDF/PNG/PPT (up to 3840×2160)
2. Teaching Features
2.1 Subject Tools
Math:
Handwritten formula recognition (LaTeX export)
Auto-shape correction (±0.5° accuracy)
Chemistry:
Molecule editor (500+ templates)
Equation balancing check
Literature:
Calligraphy practice (6 font styles)
2.2 Classroom Interaction
Random pick: Shake teacher's phone
Timer: Draw "○□△" for 1/5/10-minute countdown
Split-screen: Three-finger swipe up
3. Advanced Annotation
3.1 Multimedia Notes
1.Long-press PPT/PDF to annotate
2.Use layer management ("∞" icon) for:
1）.Base content (locked)
2）.Teacher notes (editable)
3）.Student notes (shared)
3.2 Smart Processing
Voice notes: Hold mic icon to convert speech to text
Search tags: Find all "#important" marks
History review: Scroll timeline for past versions
4. Maintenance & Troubleshooting
4.1 Daily Care
Cleaning:
1.Use pH 6.5-7.5 cleaner
2.Wipe unidirectionally along nano-grooves
3.Stylus tip: Rotatable design (500k+ writes lifespan)
4.2 Common Issues
Issue | Self-help | Error Code |
Touch offset | 25-point calibration | E-025 |
Broken strokes | Change 2.4GHz channel | W-103 |
System lag | Clear cache (3-finger swipe) | S-201 |
5. Quick Reference
5.1 Gesture Cheatsheet
Gesture | Function |
Five-finger spread | Home screen |
Counter-clockwise circle | Undo |
Double-tap + hold | Hidden tools |
5.2 Voice Commands
"New math lesson board"
"Save to Folder 3"
"Switch to eye-protect mode"