MASTER AUDIO DESIGN TSL DIGITAL Manual Del Usuario página 37

If the user decides to delete the entry, the memory slot will be free and available
for a future use. Otherwise the program remains in memory. After that (having
deleted or not), the user is leaded back to the function menu.
4 - ADJUST PROCEDURE
a) Connect the Mixer or Previous Sound source to the INPUT Signal (it
allows from 250 mV up to 9 V. without saturation). Connect the SLO (the
SPL Control Microphone, if it is going to be used), locating it at an
intermediate area of the space to be Controlled. It must not be too dose or
too far away from the loudspeakers. Its sensitivity is very high and it may
not be blocked under any circumstances. It has been adjusted in factory
at a standard sensitivity value. If necessary, this adjustment may be
accessed internally according to the distance and sound pressure that are
going to be controlled.
b) With the MICRO function de-activated (Led off), connect the power
amplifier and place the Volume controls to minimum.
c) Adjust the OUTPUT Level Control to MINIMUM.
d) Activate the Pink-Noise function included in the TSL and place the
amplifier volume controls to Maximum power.
e) Proceed to the first acoustic measuring by using an accurate Sound-
meter acting upon the TSL Output Signal Level Attenuator. The result
should be a pressure level slightly above the value authorized by the
Regulations (an excess of about 6 dB should be enough). Be sure that
the amplifier volume controls are at maximum.
f) In the clock section, unscrew the key lock screw to enable the keypad.
Enter the Function Menu and select the option "Adjust DAY Level" inside
the "Adjust Levels" menu (see previous chapter for details). The DAY led
will light. Use the THRESHOLD DAY control (turning it to the left) until
obtaining the desired Pressure Level registered by the Sound-meter (Led
indicating the activation "Limiter active"). Press the
g) Select in the menu the "Adjust NIGHT Level" function from the "Adjust
Levels" menu (led NIGHT on). Proceed to the adjustment of the
TRESHOLD NIGHT control, following the same procedure as in the
previous paragraph. Press the
h) Go back to the "Adjust DAY Level" function (led DAY on) and connect the
MICRO option (Led On).
i) Adjust the Microphone Control (turning Adjust to the left) until the yellow
Led Threshold starts blinking. This will be the point where the Microphone
will automatically start controlling the Sound Pressure Level in the
premises, gradually attenuating the musical level when the environmental
key to finish.
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key to finish.