Beyerdynamic, Microphone system, models:

NE 600 D	Features And Specifications
Opus 100	Operating Instructions Manual
Opus 500	Operating Instructions Manual
Opus 910	Operating Instructions Manual
SIS	Operating Instructions Manual
STEGOS	Quick Start Manual
Synexis	Quick Start Manual
TG 100 Beltpack Set	Operating Instructions Manual
TG 1000	Operating Instructions Manual
TG 500	User Manual
TS 910	Operating Instructions Manual
UHF Wireless System Opus 900	Operating Instructions Manual