Sennheiser IS410 Headphones User Manual


 
12
Meaning of the LEDs and acoustic signals
LEDs on the transmitter
Acoustic signals of the receiver
LED Status Meaning
Operation indication ¸ lit green The transmitter is switched on.
The receiver is not stored in the
charging compartment .
off The transmitter is switched off.
The receiver is stored in the
charging compartment .
Charging control LED of
spare rechargeable
battery
Charging control LED of
receiver rechargeable
battery µ
lit red Spare rechargeable battery or
rechargeable battery is being
charged
lit green Spare rechargeable battery or
rechargeable battery is fully
charged
“Speech intelligibility”
button
lit yellow Speech enhancement is activated
Acoustic signal Meaning Commentary
6 short beeps No audio signal
(transmitter is not
activated or out of
range)
Automatic switch-off after
approx. 3 minutes
2 long beeps Rechargeable battery is
flat
Automatic switch-off after
approx. 3 minutes