Philips FR 731 - Surround Mode Details; Test Tone for Calibration

English
AMPLIFIER
DOLBY 3-STEREO: Choose this setting to play back movies
and music (especially Laser Discs, video cassettes and TV
broadcasts with DOLBY SURROUND sound), when not using
the rear speakers. You get a clear perception of the position
y and direction of the sound.
DOLBY 3-STEREO combines the front and rear signals so that
you can enjoy a regenerated sound field which has
comparatively more presence and a more expansive feeling
from the three front channels (front left, front right and center
speakers) than that of ordinary stereo regeneration.
OFF: On the remote control switches off the center and rear
speakers for normal stereo operation.
Note: Dolby Pro Logic and Dolby 3-Stereo will not work
properly if the signal passes through a graphic equalizer.
Please refer to your equalizer user manual for guidance on
switching off (or defeating) the equalizer.
When you select a SURROUND MODE the red indicator above
the respective name lights up. The SURROUND MODE is
switched off when you press the OFF key (on the remote
control).
Each mode has programmed values for center-mode, center
and rear levels and/or for rear channel time delay (as
appropriate).
With the CENTER MODE and LEVEL keys on the remote
control you can set other values. These values will then be
kept in the memory until they are changed again.
The various values that can be adapted in the different
surround modes are described next:
DOLBY PRO LOGIC:
• Use the SURROUND key to select Dolby Pro Logic.
• Press the CENTER MODE key on the remote control to
select the required center channel mode:
NR(normal) - If the center speaker has a low (20W) rating.
WKwide band) - If the center speaker has a high (same as
left and right speakers) rating.
PH(phantom) - If no center speaker is installed.
• Use the REAR LEVEL-, + keys to adjust the rear level
(related to the front level).
- SL/fl(round) lights up on the display.
- The level will be indicated on the VOL indicator on the
display: VOL..
- The delay time of the rear channel is fixed at 20 seconds.
• Use the CENTER LEVEL -, + keys to adjust the center level.
- CENiter) lights up on the display.
- The level will be indicated on the VOL indicator on the
display: VOL ••••••.
TEST TONE _
Use the remote control TEST TONE function to obtain the
correct balance between the levels of the left, right, center and
rear speakers in the DOLBY PRO LOGIC and DOLBY 3-STEREO
mode.
DOLBY PRO LOGIC:
• Press the TEST TONE key on your remote control.
• You will hear a test tone from the left (F-L), center ( C EN).
right (F-F) and rear {SUR) speakers in turn, in a repeating
cycle.
• While sitting in the usual listening position, adjust the level
of each speaker until they all sound equally loud.
Use the VOLUME/TONE/BALANCE control to adjust the
speaker levels.
- The levels will be indicated on the VOL indicator on the
display: VOL..
• When you are satisfied with the levels, press the TEST
TONE key on your remote control again to turn off the test
tone.
DOLBY 3-STEREO
In Dolby 3-Stereo mode you can adjust only the levels of the
left, right and center speakers.
DOLBY 3-STEREO
• Use the SURROUND key to select Dolby 3-Stereo.
CENTER MODE: in Dolby 3-Stereo mode you can only select
NR(normal) and WKwide band), see above.
REAR LEVEL: adjusting the rear level is not possible in Dolby
3-Stereo mode.
CENTER LEVEL: use the CENTER LEVEL -, + keys to adjust
the center level as descibed above.
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