Beyerdynamic UHF Wireless System Opus 900 - Manual (Page 65)

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2.4 Battery Status
• When the battery is exhausted, the LED at the bottom of the handheld transmitter will illuminate.
Replace the battery. When “PoFF“ is displayed, the transmitter is switched off, if the battery
voltage is too low.
2.5 How to switch off the Handheld Transmitter
When the ON/OFF switch at the bottom of the transmitter is switched to “OFF“, at first “PoFF“ is
displayed and as soon as the transmitter is completey off the display is blank. Wait one second if you
want to switch on the transmitter again immediately.
2.6 How to change the Microphone Capsule
There are different microphone capsules available for the handheld transmitter. If you want to change
the microphone capsule, turn it anti-clockwise to unscrew it from the transmitter. Put the selected
microphone capsule onto the transmitter and turn it clockwise to tighten.
CM 930
Cardioid condenser microphone capsule for vocals and speech
applications. For maximum gain before feedback. Weight 191 g.
DM 960
Hypercardioid dynamic microphone capsule. Suitable for vocals and broad-
casting applications. Weight 191 g.