Setting Tone; Setting Speaker Size; Adjusting Delay Time - JVC TH-A9 Instructions Manual

Setting tone

Adjust the tone (bass and treble) for the front speakers.
1
Press SETTING.
Press the 5 5 5 5 /∞ ∞ ∞ ∞ cursors until "BASS" or "TRE-
2
BLE" appears on the display.
or
• After a while, the current setting value appears.
3 Within 5 seconds, press the 2 2 2 2 /3 3 3 3 cursors to
adjust the bass or treble.
Each time you press the button, the setting value changes 2
steps at a time between –10 and +10. (0: flat level)
Holding down the button continuously changes the value.
To exit power amplifier setting mode
Press SETTING again.

Setting speaker size

Select the speaker size according to the speakers you are using.
• When you use the supplied speakers with this system, set the
speaker size as follows:
FRONT SPK: SMALL
CENTER SPK: SMALL
REAR SPK: SMALL
CAUTION:
When using this system's front, center, or rear speak-
ers, select "SMALL" for each.
Selecting "LARGE" may result in speaker damage.
1
Press SETTING.
Press the 5 5 5 5 /∞ ∞ ∞ ∞ cursors until the following
2
item appears on the display window.
• FRONT SPK
For setting the left and right front speaker size
• CENTER SPK
For setting the center speaker size
• REAR SPK
For setting the left and right rear speaker size
• After a while, the current setting appears.
Within 5 seconds, press the 2 2 2 2 /3 3 3 3 cursors to
3
select the speaker size.
Select "LARGE" when the cone speaker imbedded in the
speaker being used has a diameter of 12 cm or more.
Select "SMALL" when the diameter is less than 12 cm.
Select "NONE" when the speaker is not connected, or is not
in use.
• When the speakers supplied with this system are used,
select "SMALL" for each speaker.
• FRONT SPK
Pressing the button toggles between the following settings.
SMALL* j j LARGE j j
• CENTER SPK
Pressing the button toggles between the following settings.
When the FRONT SPK is selected "SMALL":
SMALL* j j j j NONE
When the FRONT SPK is selected "LARGE":
j j LARGE j j SMALL* j
j j j j
• REAR SPK
Pressing the button toggles between the following settings.
When the FRONT SPK is selected "SMALL":
SMALL* j j NONE j j
When the FRONT SPK is selected "LARGE":
j LARGE j j j SMALL* j
j j j j
* Select when the supplied speakers with this system
are used.
To exit power amplifier setting mode
Press SETTING again.

Adjusting delay time

The delay time for the center speaker and rear speakers is calculat-
ed by comparing the distance between the rear/center speakers and
the listening point with the distance between the front speakers and
the listening point.
1
Press SETTING.
Press the 5 5 5 5 /∞ ∞ ∞ ∞ cursors until the following
2
item appears on the display window.
• CENTER DELAY
For setting the delay time for the center speaker
• REAR DELAY
For setting the delay time for the rear speakers
• After a while, the current setting appears.
Within 5 seconds, press the 2 2 2 2 /3 3 3 3 cursors to
3
select the delay time.
• CENTER DELAY
Pressing the button changes the delay time between 0 ms
and 5 ms.
When the distance between the listening point and the cen-
ter speaker is close to the distance to the front speakers, set
the delay time to 0 ms. Increase the delay time when the dis-
tance to the center speaker is shorter.
• A 1ms increase/decrease of delay time is equivalent to a
30 cm change in distance.
• REAR DELAY
Pressing the button changes the delay time between 0 ms
and 15 ms.
When the distance between the listening point and the rear
speakers is close to the distance to the front speakers, set the
delay time to 0ms. Increase the delay time when the dis-
tance to the rear speakers is shorter.
• A 1ms increase/decrease of delay time is equivalent to a
30 cm change in distance.
To exit power amplifier setting mode
Press SETTING again.
Notes:
• When the center speaker size is set to "NONE" (not used),
you cannot adjust CENTER DELAY.
• When the rear speaker size is set to "NONE" (not used),
you cannot adjust REAR DELAY.
Amplifier settings
j NONE j j
j j j j
j NONE j j
j j j j
49