Jonker Sailplanes JS1 Series, Flight Manual, Page: 32 / 101

JS1 Jet Sustainer Flight Manual Supplement - Issue 1
Date of issue: 31.03.2016
Accepted section Page 4–2
The Jet Thrust Dial consists of a rotary dial combined with a push
button. The rotating dial is used to adjust the throttle setting, and to
enter information in the settings and configuration mode.
The Jet Thrust Dial is used as follows in the settings mode:

Press and hold – Enter settings mode

Short press – Select option

Rotate dial – Move cursor or change value

Press and hold – Exit settings mode