Yamaha HTR-5840 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/speaker indicators
Indicate the channel components of the current digital
input signal.
Indicate the number of speakers connected in SPEAKERS
(page 24), or indicate the channel being adjusted in
SP LEVEL (page 59).
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