Harman-Kardon AVR 225 owner manual Surround Mode Chart, Mode Features Delay Time Range, Dts

		OPERATION
Surround Mode Chart
MODE	FEATURES	DELAY TIME RANGE
Dolby Digital	Available only with digital input sources encoded with Dolby Digital data. It provides up to five separate main audio	Center: 0ms – 5ms
	channels and a special dedicated Low-Frequency Effects channel.	Initial Setting: 0ms
		Surround: 0ms – 15ms
		Initial Setting: 0ms
DTS	Available only with digital input sources encoded with DTS data. Available on special DVD, LD and audio-only discs,	Delay time not adjustable
	DTS provides up to five separate main audio channels and a special dedicated low-frequency channel.
Dolby Pro Logic II	Dolby Pro Logic II is the latest version of Dolby Laboratory’s benchmark surround technology that decodes	15ms – 30ms
Movie	full-range, discrete left, center right, right surround and left surround channels from matrix surround-encoded	Initial Setting: 15ms
Music	programs and conventional stereo sources. The Dolby Pro Logic II Movie mode is optimized for movie soundtracks,
Emulation	while the Pro Logic II Music mode should be used with musical selections. The Pro Logic II Emulation mode
	re-creates original Pro Logic processing for those who prefer that presentation.
Logic 7 C	Logic 7 is an advanced mode that extracts the maximum surround information from either surround-encoded	Delay time not adjustable
Logic 7 M	programs or conventional stereo material. The Logic 7 C (or Cinema) mode should be used with any source that
	contains Dolby Surround or similar matrix encoding. Logic 7 C delivers increased center-channel intelligibility, and
	more accurate placement of sounds with fades and pans that are much smoother and more realistic than with
	other decoding techniques. The Logic 7 M (or Music) mode should be used with analog or PCM stereo sources.
	Logic 7 M enhances the listening experience by presenting a wider front soundstage and greater rear ambience.
	Both Logic 7 modes also direct low-frequency information to the subwoofer (if installed and configured) to deliver
	maximum bass impact.
Dolby 3 Stereo	Uses the information contained in a surround-encoded or two-channel stereo program to create center-channel	No surround channels
	information. In addition, the information that is normally sent to the rear-channel surround speakers is carefully mixed
	in with the front-left and front-right channels for increased realism. Use this mode when you have a center channel
	speaker but no surround speakers.
Theater	The Theater mode creates a sound field that resembles the acoustic feeling of a standard live performance theater.	Delay time not adjustable
Hall 1	The two Hall modes create sound fields that resemble a small (Hall 1) or medium-sized (Hall 2) concert hall.	Delay time not adjustable
Hall 2
VMAx Near	When only the two front-channel loudspeakers are used, Harman’s patented VMAx mode delivers a	No surround channels
VMAx Far	three-dimensional sound space with the illusion of “phantom speakers” at the center and surround positions.
	The VMAx N (or “Near Field”) mode should be selected when your listening position is less than five feet from

the speakers. The VMAx F (or “Far Field”) mode should be selected when your listening position is greater than five feet from the speakers. The VMAx modes are also available using the Headphones Output 4. When headphones are being used, the Far Field mode will appear to push the sound field away from your ears, reducing the “inside the head” sensation often experienced when using headphones.

5-Channel Stereo	This mode takes advantage of multiple speakers to place a stereo signal at both the front and back of a room.
	Ideal for playing music in situations such as a party, it places the same signal at the front-left and surround-left,
	and front-right and surround-right speakers. The center channel is fed a summed mono mix of the in-phase
	material of the left and right channels.

No delay is available for this mode

Surround Off (Stereo)	These modes turn off all surround processing and present the pure left- and right-channel presentation of two-	No surround channels
Stereo-Direct (Bypass)	channel stereo programs. The Stereo-Direct (Bypass) mode may only be used with analog source inputs, as it
Stereo-Digital	preserves the analog format of the audio signal for its entire path of travel through the receiver to the speaker and
	subwoofer outputs, bypassing all digital processing. Digital bass management is not available in Stereo-Direct mode.
	The Stereo-Digital mode can be used with either an analog or digital input, as the signal undergoes digital bass
	management to optimize the distribution of the low frequencies between the main speakers and a subwoofer.

OPERATION 25