Super-light, super-simple audio-only vario for Hike & Fly, backup and simplicity.

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

OPERATION

TURN ON

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

TURN OFF

Press the button until you hear the bye sound. Release the button.

AUTO-OFF

Tweety will shut itself down automatically if in the past 30 minutes all climb rates were within -0.8 to +0.8 m/s.

CONFIGURATION

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.

SETTINGS

Climb threshold: > 0.3m/s
Sink threshold: < -2.5m/s
Averager interval: 1.5 seconds

Skytraxx Tweety