JBL LS Series Service Manual page 7

LS120P
SYSTEM CONNECTIONS
If you have a Dolby ® Digital or DTS
with a low-frequency-effects (LFE) or subwoofer output:
Set LFE/Normal switch to "LFE."
If your receiver/processor does not contain a Dolby Digital or DTS
processor, but has subwoofer outputs:
Set LFE/Normal switch to
"Normal."
NOTE: If your receiver/processor
has only one sub out, you may
use either the L or R input.
® receiver/processor
LS120P
LS120P
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