S3 is a high performance, stand alone, simple digital vario, altimeter and speed to fly caclculator • Standard dimensions - 57 mm diameter (21)” with depth only 50mm • Extremely bright 2” (5 cm) colour display readable in all sunlight conditions with the ability to adjust the backlight • One rotary switch (knob) with push button function is used for input • Pre-loaded polar database for almost all gliders • Mechanical needle driven by stepper motor indicating vertical speed • Many custom audio settings • 100Hz sampling rate for very fast response • Internal speaker • Power input 6-16 V DC • Power consumtion typical 110mA • Weight 156 g
 

Features

- High accuracy (cm) variometer and altimeter
- Preloaded almost all glider polars
- Fast manipulation an settings with one rotary knob
- Logbook
- Display of 3 different values (set by user)

Hardware

- ARM processor
- Mechanical needle driven by stepper motor
- QVGA (320*240pixels) sunlight readable display
- Digital temperature compensated altitude pressure sensors
- Smooth audio output
- Integrated speaker
 

Input and output

- Rotary knob with push function for Mc,Bal,Bugs and other settings
- Audio output
- Serial RS232 input/output

Power supply

- 95mA-135mA at 12V depending on LCD brightness, without audio

Size and weight

- 60mm x 60mm x 50mm
- Weight: ~156g