JVC TH-A25 manual Creating Realistic Sound Fields, Using the Test Tone, Press Test Tone

Creating Realistic Sound Fields

TV			AUDIO
	DIMMER	SLEEP
L-F.BLANCE-R		CENTER
1	2	3	4
	REAR	SUBWOOFER
5	6	7	8
	BASS	TREBLE
9	0	MEMORY	CANCEL
DVD	FM/AM	AUX	SOUND	SOUND

TEST TONE	TV CH	CONTROL TESTTONE
		TV

TVVOL TV/VIDEO MUTING

AUDIOVOL

TOP
MENU	MENU

3/2

ENTER
CHOICE/TIME	ON SCREEN
/	STEP

DOWN -TUNING - UP

AUDIO SUBTITLE ANGLE		ZOOM
SLOW RETURN	PL	REPEAT	PL II
PROGRESSIVE		FM MODE
RM-STHA25J
DVD THEATER SYSTEM

Using the Test Tone

You can check whether each speaker is connected properly.

From the remote control ONLY:

1Press PL II repeatedly to activate all the

speakers.

The audio channel indicators light up on the display as follows when all the speakers are activated:

L C R

SW

LS RS

•You can also activate all the speakers by loading a digital multichannel disc.

2 Press TEST TONE.			TESTTONE
The test tone comes out of the speakers in the following
order:
Left front speaker		Center speaker
	Right front speaker
Subwoofer

Left rear speaker Right rear speaker

■To adjust speaker output level

You can adjust the output level of the center speaker, rear speakers, and subwoofer while listening to the test tone.

Press 3/2 while the test tone is coming out of
the speaker you want to adjust.
The speaker output level appears on the display.	ENTER
3: Increases the output level (to +06 dB).
2: Decreases the output level (to –06 dB).

To stop the test tone, press TEST TONE again.

Notes:

•You cannot use this function while playing back a disc. Stop the disc playback to use this function when the source is DVD/CD.

•If no sounds come out of a speaker, check the speaker’s connection (see pages 6 and 7).

•You cannot adjust the output level of rear speakers separately. See “Adjusting the Sound” below to adjust the balance of rear speakers.

Adjusting the Sound

You can adjust the sound balance and the tone.

It is recommended to turn on your TV and make adjustments from your actual listening point.

You can adjust the following settings:

	FRONT BALANCE: To adjust the output balance for the front
Balance
		speakers (from –00 to –06, OFF*).
	REAR BALANCE:	To adjust the output balance for the rear
		speakers (from –00 to –06, OFF*).
	CEN LEVEL:	To adjust the output level of the center
Output
		speaker (from –06 dB to +06 dB).
	REAR LEVEL:	To adjust the output level of the rear
level		speakers (from –06 dB to +06 dB).
	S/W LEVEL:	To adjust the output level of the
		subwoofer (from –06 dB to +06 dB).
	BASS:	To adjust the output level of the bass
Tone		tone (from –10 dB to +10 dB, at 2 dB
		step).
	TREBLE:	To adjust the output level of the treble
		tone (from –10 dB to +10 dB, at 2 dB
		step).
	C-DLY:	To adjust delay time for the center
Delay		speaker when the digital multichannel
		surround is activated (from 0 msec to 5
		msec).
	R-DLY:	To adjust delay time of the rear speakers
		for each surround mode.

* When you set to OFF, no sound comes out from the speaker.

Notes:

You can also adjust the output level (CEN LEVEL, REAR LEVEL, and S/W LEVEL) while using the test tone. See “Using the Test Tone” on the left column.

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