Sennheiser Tourguide 2020-D Instruction Manual page 12

EK 2020-D-II receiver
6
1 Volume control
2 Channel selection button
3 LC display
4 LED for charge status
5 ON/OFF button
6 Headphone socket
4
5
3
2
1
Channel display
1
▲ ▼
/ 4-step battery status display
2
Volume display
3
RF signal indication
4
The operating controls
6
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