PANASTEREO SP23 - Page 17

PANASTEREO SP23 – Alignment with DOLBY CP55
17
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)
11. SELECT “OPTICAL STEREO”
FORMAT
Select the sound processor to OPTICAL
STEREO (to send pink noise to the outputs).
12. TURN OFF SP23 BYPASS
Switch the SP23 out of bypass mode (Red
Bypass button OUT).
13. SELECT “SURROUND” ON THE PINK
NOISE CARD
Turn on the Surround switch on the Cat.85C
Pink Noise card.
14. ADJUST SP23 INPUT LEVELS
Adjust the Left Input trimmer on the SP23 so
that the two green LEDs for the left channel
are equally illuminated. Adjust the Right Input
trimmer on the SP23 so that the two green
LEDs for the right channel are equally
illuminated.
15. MUTE THE SP23 RIGHT INPUT
On the SP23 press the left channel MUTE
button.
16. COARSE SET LS SPL LEVEL TO
85dBc
Adjust the Left Surround Output trimmer on
the SP23 for approximately 85dBC in the
auditorium.
17. EQUALISE LEFT SURROUND
CHANNEL
Remove the Left/Right Equaliser card from the
SP23 and connect it via the extender card and
cable. Adjust the left equaliser controls for a
frequency response in accordance with the
standard ISO surround channel response
curve.
18. SET LS SPL LEVEL TO 85dBC
Re-adjust the Left Surround Output trimmer on
the SP23 for 85dBC in the auditorium.
19. UNMUTE THE SP23 RIGHT INPUT
AND MUTE THE LEFT INPUT.
On the SP23 release the right channel MUTE
button and press the left channel MUTE
button.