Gesture Vocabulary
Gesture Types
| Gesture |
Description |
| Tap |
Contact < 500 ms |
| Hold |
Contact ≥ 500 ms |
| Swipe |
Rapid directional movement |
| Pinch |
Two-channel convergence/divergence |
| Chord Press |
≥ 2 channels activated simultaneously |
Thumb Modifiers
The thumb does not occupy a channel. Instead it emits a modifier that colours
the intent of the active channel gesture:
| Modifier |
Semantic |
| None |
Default gesture semantics |
| Navigate |
Jump / seek / scroll |
| Switch |
Context / mode switch |
| Confirm |
Accept / activate |
Channel Groups
Left hand : L1 L2 L3 L4
Right hand: R1 R2 R3 R4