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RS 185 | 9
LED indicators on the transmitter
After taking the headphones from the holder of the
transmitter, the charge
status LED indicates the approximate operating time of the headphones:
MLC
ALC
LEVEL
MLC
MAX
MIN
1
2
4
3
1
Charge status LED Meaning
The transmitter is not charging.
The rechargeable batteries are being
charged.
The rechargeable batteries are fully
charged.
A charging/battery fault has been detected.
Charge status LED Operating time Battery capacity
up to 4 hours 0 to 25%
approx. 4 to 9 hours 25 to 50%
approx. 9 to 14 hours 50 to 75%
approx. 14 to 18 hours 75 to 100%
2
ALC LED Meaning
The Automatic Level Control (ALC) mode is
deactivated.
The Automatic Level Control (ALC) mode is
activated.