User's Manual

2.2 How to insert the Batteries (S 900 and S 900 M)

1. Unscrew the battery cap of the S 900 or S 900 M counter-clockwise.

2. Insert two 1.5 V batteries into the battery compartment observing polarity markings.

Note:

The S 900 C transmitter is powered by rechargeable batteries which cannot be changed by

the user. If the rechargeable batteries have to be changed, please contact your beyerdynamic

dealer.

2.3 LC-Display

1. “ERR“ Message: When the “ERR“ message is displayed, there is an error.

ERR noo3: The frequency you want to program is beyond the switching bandwidth of

the transmitter. Use a receiver with an appropriate frequency group. (At this time the

microphone is still operating and the frequency remains unchanged. To clear the

displayed “ERR“ message switch off the handheld transmitter and on again.)

ERR noo4: The frequency you want to program is beyond the switching bandwidth of

the transmitter. Use a receiver with an appropriate frequency group. (At this time the

microphone is still operating and the frequency remains unchanged. To clear the

displayed “ERR“ message switch off the handheld transmitter and on again.)

2. “Group“ & “Channel“: When both indications are displayed, it means that you are

using the pre-programmed frequency of the receiver.

3. “Channel“: If “Channel“ is displayed only, it means that you are using a frequency

which is not pre-programed.

Opus900_BA_DEF_neu:Opus900_BA_DEF 26.09.2006 14:47 Uhr Seite 54