PANASTEREO SP23 – Alignment with Dolby CP500.
26
4 – ALIGNMENT with DOLBY CP500
Equipment required: 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. DISABLE CP500 SURROUND
EQUALISERS
On the CP500, press the MENU key.
Press ALIGNMENT.
Press B-CHAIN ALIGNMENT.
Press B-CHAIN EQUALISATION.
Use the fader knob to select LEFT
SURROUND then press OK.
After the RTA screen appears, press FLAT.
A dialogue box will appear – Set the EQ to
flat? Press OK
Press Exit then press OK to save the settings.
Press B-Chain Equalisation
Use the fader knob to select Right Surround
Press OK
After the RTA screen appears, press FLAT.
A dialogue box will appear – Set the EQ to
flat? Press OK
Press Exit then press OK to save the settings.
5. SET PROCESSOR VOLUME TO “7.0”
Set the sound processor volume control to
level “7.0” and keep it there for all subsequent
adjustments.
6. CHECK SPL LEVELS ON ALL
CHANNELS
On the CP500 select “Adjust Output Levels”.
Check that the SPL levels for all of the
channels are correct (85dBC for each front
channel and 82dBC for the surround
channels). If necessary, adjust the L, C, R
output levels for a level of 85dBC from each
channel, and adjust the Ls and Rs output
levels for a level of 82dBC from each channel.
7.
SELECT “DIGITAL” FORMAT
Select the sound processor to DIGITAL
format. Check that the red “DECODE-ON”
LED is illuminated on the SP23