PANASTEREO SP23 - Alignment with SMART MOD IIC; SMART MOD IIC Alignment Procedure Steps

PANASTEREO SP23 – Alignment with SMART MOD IIC
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7 – ALIGNMENT with SMART MOD IIC
Equipment required: SMART Pink Noise Card, Real Time Analyser (RTA)
1. SET UP REAL TIME ANALYSER
Set up a Real Time Analyser and position the
microphones in the auditorium.
2. PRE-SET SP23 OUTPUT LEVELS
Turn all four output trimmers on the SP23
anticlockwise until you feel a slight click.
3. SWITCH SP23 TO BYPASS
Switch the SP23 to bypass mode (Red Bypass
button IN).
4. SET THE MOD IIC SURROUND
EQUALISERS TO FLAT
On the MOD IIC SURROUND EQ card turn
the EQ trimpots to their mid positions. This
should be done as accurately as possible.
5. INSTALL PINK NOISE CARD
Remove the matrix card from the MOD IIC
sound processor and install the SMART pink
noise generator into the matrix slot.
6. SELECT “OPTICAL STEREO”
FORMAT
Select “Optical Stereo” on sound processor to
output pink noise to the auditorium.
7. SET PROCESSOR VOLUME TO “CAL”
Set the sound processor volume control to the
CAL position and keep it there for all
subsequent adjustments.
8. CHECK SPL LEVELS ON ALL
CHANNELS
Check that the SPL levels for all of the
channels are correct (85dBC per channel). If
necessary, adjust the L, C, R, Ls and Rs
output level trimmers on the output card for a
level of 85dBC from each channel.
9.
SELECT “DIGITAL” FORMAT
Select the sound processor to DIGITAL
format. Check that the red “DECODE-ON”
LED is illuminated on the SP23
10. REMOVE AUTOMATION
CONNECTION
Disconnect the D25 automation cable from the
SP23. (This is to prevent the sound processor
from switching the SP23 back to Optical
mode)