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S2
4.4 MONITOR
Select STEREO LINE on the LS1 MONITOR panel & ensure no other buttons are pressed.
The source should now be heard in the loudspeakers.
The monitor panel allows selection via 2 selector banks of Group Outputs, Auxiliary
outputs as well as principal console outputs, Desk or Line (before and after tone insertion)
together with a range of external inputs chosen by the customer.
A number of buttons associated with stereo monitoring allow either stereo leg to be cut,
a mono reduction to be heard on the left or both loudspeakers and left or right to be heard
on both loudspeakers. Right phase reverse is also provided.
There is a bright red LED AFL indicator to warn the operator when the AFL is selected from
a channel or group.
The monitor output is provided with Gain & Balance controls and Cut & Dim buttons, the
latter having a trim for the amount of 'dim'.
Provision is also made for alternative small loudspeakers and adjustment of AFL & PFL
levels. A separate headphones level control sets a headphones output.
There is a separate (optional) LS2 MONITOR panel providing a further 24 external input
selections which can be heard on LS1 by selecting SEL 3 or heard on a second pair of
stereo loudspeakers controlled by additional Gain, Balance, Cut & Dim (with adjust)
controls.
There are separate left & right cut buttons on LS2 together with a button for hearing a mono
reduction in both loudspeakers also one for right phase reverse.
4.5 METERING
With the source still operative and faded up the signal can be seen on the main meter
when selected to M1 Line or M1 Desk (assuming Main 1 is in use).
The principal metering may be restricted to Line, Desk & Tone together with provision for
switching to M/S (with S +20dB) but if so, another meter is usually provided which allows
the following selections:-
Main 1 Line
Main 1 Desk
Main 2 Line
Main 2 Desk
Monitor Sel 1
Monitor Sel 2
Monitor Sel 3
APFL
LS Sel (follow loudspeaker 1 selection)
Tone
M/S & S +20
It should be noted that mono sources are fed to both legs of the stereo selectors on the
Monitor LS panels. This means that when metering a mono source, both needles (bars)
move correctly together.
However if M/S is also selected the 'M' needle (bar) will read 3dB high & this may be
misleading.
There are optional internal switches on the metering system to correct this situation when
mono sources & M/S are selected together. (See detail in section 2.9 for MONITOR
LS1:ML3661).
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