Robustes mechanisches Schaltgetriebe oder stufenlose Regelung (bei neueren Varianten).
Based on community insights from the and Hobby-Machinist forums: Help with Weiler LZ 280 - Practical Machinist Weiler Lz 280 Anleitung
Without the original manual, the control layout is a puzzle. Here is a breakdown of the primary controls you will find on the LZ 280. Weiler Lz 280 Anleitung