Yamaha HTR-5760 Owner's Manual page 13

CONTROLS AND FUNCTIONS
K 96/24 indicator
Lights up when a DTS 96/24 signal is input to this unit.
L LFE indicator
Lights up when the input signal contains the LFE signal.
M Input channel indicators
Indicate the channel components of the current digital
input signal.
N Presence and surround back speaker
indicators
Indicate the connection of presence and/or surround back
speakers when using the SPEAKER LEVEL setting (see
page 55).
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