Yamaha DSP-A990 Owner's Manual - Page 15

Rear Panel Switch And Control Settings, General Instructions For Connections, English

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English REAR PANEL SWITCH AND CONTROL SETTINGS There are several switches and controls on the rear panel that you'll have to check before operating your system, and it's a good idea to do it before you connect cables. Locate the MAIN LEVEL slide switch (3) and FRONT MIX slide switch (D). Make sure the MAIN LEVEL switch is set to "0 dB" and the FRONT MIX switch is set to "OFF" for 7 or 6 speaker driving. In a 5 or 4 speaker system, set the FRONT MIX switch to "ON". Next, set the NTSC/PAL switch (B) to the position corresponding to the standard which your video equipment employs. (General Model only) GENERAL INSTRUCTIONS FOR CONNECTIONS Make sure that you have the left (L) and right (R) channels correctly connected. That means that jacks marked "L" on this unit must be connected to jacks marked "L" on other units. Likewise with the "R" jacks. This is easy if you remember to always use the red plug for the "R" jacks and the white plug for the "L" jacks. With speaker connections you must also be sure that the polarity is correct. For each amplifier and each channel, connect the plus (+) terminal of the amplifier to the plus terminal of the speaker, and connect the minus (-) terminal of the amplifier to the minus terminal of the speaker. To keep track of polarity, use a speaker cable that has one of the two wires marked by a stripe or a different color. 13

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English
REAR PANEL SWITCH AND CONTROL SETTINGS
There are several switches and controls on the rear panel that
you’ll have to check before operating your system, and it’s a good
idea to do it before you connect cables. Locate the MAIN LEVEL
slide switch (
3
) and FRONT MIX slide switch (
D
). Make sure the
MAIN LEVEL switch is set to “0 dB” and the FRONT MIX switch is set
to “OFF” for 7 or 6 speaker driving.
In a 5 or 4 speaker system, set the FRONT MIX switch to “ON”.
Next, set the NTSC/PAL switch (
B
) to the position corresponding
to the standard which your video equipment employs. (General Model
only)
GENERAL INSTRUCTIONS FOR CONNECTIONS
Make sure that you have the left (L) and right (R) channels
correctly connected.That means that jacks marked “L” on this unit
must be connected to jacks marked “L” on other units.Likewise with
the “R” jacks. This is easy if you remember to always use the red plug
for the “R” jacks and the white plug for the “L” jacks.
With speaker connections you must also be sure that the polarity
is correct. For each amplifier and each channel, connect the plus (+)
terminal of the amplifier to the plus terminal of the speaker, and
connect the minus (–) terminal of the amplifier to the minus terminal
of the speaker.To keep track of polarity, use a speaker cable that has
one of the two wires marked by a stripe or a different color.