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- Battery operated
- Runtime approx. 250 hours
- Weight 23 grams
- 65mm x 35mm x 11mm
IN THE BOX
- Tweety vario
- CR2450 battery (pre-installed)
- Hook & loop fastener pads
- Security line (lanyard)
- Quick start guide
Press the button until you hear a short beep. Release the button within 3 seconds and Tweety turns on. You will hear the welcome sound, followed by 0.5 sec pause and the battery state:
- 2 beeps: battery good
- 1 beep: battery okay
- no beep: consider changing the battery
Press the button until you hear the bye sound. Release the button.
Tweety will shut itself down automatically if in the past 30 minutes all climb rates were within -0.8 to +0.8 m/s.
The sink tone can be switched on or off. Remove the coin cell battery. Press and hold the button while re-inserting the battery. Release the button.
- 2 beeps: sink tone on
- 1 beep: sink tone off
A short press changes the settings. Use long press (4 seconds) to store the setting and to enter the normal operation mode again.
- Climb threshold: > 0.3m/s
- Sink threshold: < -2.5m/s
- Averager interval: 1.5 seconds