Table of Contents
Pur Version Features #
Key Features #
- 270° clear variometer display, ±5 m/s (range configurable), high readability
- Fast, low-noise climb indication using smart Kalman filtering
- Load-factor-based polar correction (g-compensation) for accurate netto vario
- Speed-to-fly (STF) indication with command arrows
- Integrated 3 W speaker with configurable audio profiles and warning tones
- FLARM alarm screen with wind corrected heading of traffic
- Seamless FLARM integration (task declaration, configuration, flight download from XCSoar)
- Simplified setup with automatic data routing (wireless, S1, S2)
- Bright, high-contrast IPS display, sunlight readable
- Stable wind calculation in circling flight (extended with compass support, in future release)
- Flap assistant with dynamic recommendations (ballast, speed, load factor)
General Functions #
- Barometric altimeter with QNH setting or automatic QNH (airfield altitude)
- Speed display: IAS, TAS
- Adjustable MacCready, water-ballast and bugs settings
- Stall warning
- Outside air temperature (OAT) via digital sensor
- Battery status display with configurable voltage thresholds
- Extensive polar library (>150 glider polars), editable speed polar
- Compass Heading (with magnetic sensor)
Audio #
- Configurable vario sound (frequency, chopping, dual tone, deadband)
- Multi-spectrum variotone with adjustable harmonics
- Distinct audio warnings (stall, overload, gear, FLARM)
- Multiple audio profiles (aligned with common variometer sounds)
Interfaces #
- Wireless: Bluetooth (Classic und BLE) or WiFi access point
- 2 × RS232 (TTL level), S1 Flarm and S2 in IGC standard
- CAN bus interface (e.g. second seat device, and or magnetic sensor)
- FLARM bridge (IGC FLARM, configuration and data exchange)
- Inputs for flap sensor or landing gear warning
Sensors and Systems #
- AHRS (6-axis: 3-axis gyroscope, 3-axis accelerometer)
- Optional digital compass (external sensor)
- Temperature stabilization for AHRS for improved long-term accuracy
User Interface #
- Rotary encoder with push function and progressive acceleration
- Streamlined setup menu with reduced submenu depth
- Inline configuration pages
- Quick exit from menus via long press
- Context-sensitive setup hints
- Auto-timeout to main screen after 16 s in flight
- Persistent warnings during setup
- Bottom-screen message area for alerts
- Clean overlay display for FLARM warnings
- Rotating FLARM view aligned with aircraft attitude
- Improved main variometer readability
- Fully overlap-free display layout
Flight Functions #
- Flap assistant (configurable, with external sensor)
- Optional landing gear warning via shared input
- Wind calculation (circling; straight flight with compass support)
- Ballast reminder from previous flight
- Improved automatic STF switching with selectable delay
- Instant response to external STF switch
- Thermal assistant with enlarged, clearer display
Hardware #
- Integrated speaker (3 W output)
- Compact design for standard 57 mm or 80 mm panel cut-outs
- Housing depth: 35 mm
- Strong aluminum enclosure, matte black (low EMI, shielding)
- Low power consumption, typical 100 mA at 12V, or 1.2 Watts
System #
- Software update via WiFi (OTA)
- Interface reconfiguration on-the-fly
- Automatic CAN device detection (e.g. sensors, peripherals)
- Improved boot logic with instant availability of the variometer
