SoundCraft Spirit Live 4 - Manual (Page 16)

10. PA N
The PAN control d eterm ines the p osition of the signal w ithin
the stereo m ix im age or m ay be u sed to rou te the channel
signal to p articu lar ou tp u t GROUPS as selected by the
ROUTIN G SWITCHES (13). Rotation fu lly anticlockw ise
feed s the signal solely to the Left m ix bu ss or Grou p s 1 and 3,
w hile rotation clockw ise sw eep s the im age to the right bu ss or
Grou p s 2 and 4.
11. PFL/ PEA K LED
When the PFL sw itch is p ressed , the Pre-Fad e signal is fed to
the head p hones, w here it rep laces the selected sou rce. The
PFL/AFL LED on the m aster section illu m inates to w arn that
the head p hones and the m eters are now resp ond ing to the
PFL/ AFL selection and the PFL LED on the inp u t channel
lights to id entify the active channel. This is a u sefu l w ay of
listening to any requ ired inp u t signal w ithou t interru p ting the
m ain m ix, for m aking ad ju stm ents or tracing p roblem s.
When the PFL sw itch is released the LED on the channel
serves as a PEAK ind icator, to w arn w hen an excessively high
signal level is p resent in the channel. The signal is sam p led
at tw o p oints in the channel, im m ed iately after the inp u t
am p lifier (PRE H I-PASS FILTER & PRE IN SERT) and POST
EQ. The Peak LED w ill illu m inate ap p roxim ately 4d B before
clip p ing and therefore give w arning of a p ossible overload
even if the p eaks are rem oved by external equ ip m ent p lu gged
into the Insert.
12. O N SWITC H
The ON sw itch enables all ou tp u ts from the channel w hen
p ressed , and the associated LED illu m inates to show that the
channel is active.
13. RO UTIN G SWITC HES
The inp u t channel signal m ay be rou ted to the m ain STEREO
MIX (L-R) or p airs of GROUP bu sses (1-2, 3-4), by p ressing
the resp ective sw itches. These m ay be u sed in conju nction
w ith the PAN control (10 above) to rou te the channel signal
p rop ortionately to any of the selected bu sses.
13. C HA N N EL FA DER
This long-throw fad er d eterm ines the p rop ortion of the
channel in the m ix and p rovid es a clear visu al ind ication of
channel level. N orm al op erating p osition is at the ‘0’ m ark,
p rovid ing 10d B of gain above that p oint if requ ired .
IN PUT
Pa g e 14