Philips DVD941AT98 User manual - Page 24

English Appendix Speaker Settings 6 Channel settings Front speaker L (Large): When the front speakers can reproduce low frequency signals below 120Hz S (Small): When the front speakers cannot produce low frequency signals below 120Hz Center Speaker* L (Large): When the center speaker can reproduce low frequency signals below 120Hz S (Small): When the center speaker cannot produce low frequency signals below 120Hz Off: When the center speaker is not connected Surround speakers L (Large): When the surround speakers can reproduce low frequency signals below 120Hz S (Small): When the surround speakers cannot produce low frequency signals below 120Hz Off: When the surround speakers are not connected Subwoofer On: When you connect a subwoofer Off: When a subwoofer is not connected Note: - Certain speaker settings are prohibited by the Dolby Digital licensing agreement. Center speaker Front speaker left TV Front speaker right Delay times The DVD player is set to reproduce correctly synchronized Digital Surround Sound in a listening area where the surround speakers are about 150cm nearer to the listening position than the front speakers, and the center speaker is in line with the front speakers.To adjust for other listening area arrangements, adapt delay times according to the following instructions: Digital Surround Measure the distances in centimeters from the front speaker and the surround speaker to the listening positioning. Subtract the surround distance from the front distance and divide by 30.The result is the required Surround Channel delay time in milliseconds. If the center speaker is in line with the front speaker, no center speaker delay is needed. If, however, it is nearer the listening position, measure the distance in centimeters between the front and center speaker planes, and divide by 30.The result is the required Center Channel delay time in milliseconds. Distance from surround speakers (feet) Digital Surround Delay 10 5 ms ms 40 0 ms 35 0 ms 30 0 ms 25 ms 0 ms 0 ms 20 0 ms -5 ms 0 m5sms 15 -10 ms 1 0 ms 10 1 5 ms Differential arrival time 1 5 ms 1 5 5 0 0 5 10 15 20 25 30 35 40 Distance from front speakers (feet) Preferred Acceptable Not recommended Rear speaker (left surround) Rear speaker (right surround) 24 APPENDIX