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14
RA‑1572MKII Stereo Integrated Amplier
• TONE Control: TONE BYPASS ON/OFF, BASS level and TREBLE levels
can be changed to desired settings. Press the ENTER button on the front
panel or on the remote to toggle between the tone setup options. (For
more information on Tone Control refer to the Tone Control Bypass, Bass
and Treble control sections.)
NOTE: These settings are stored permanently even after the RA‑1572MKII
is powered off.
• BALANCE: Change left/right balance (For more information on Balance
sections refer to the Balance Control section).
NOTE: This setting is stored permanently even after the RA‑1572MKII
is powered off.
• DIMMER: Dims the front display.
NOTE: This setting is stored permanently even after the RA‑1572MKII
is powered off.
• POWER LED: Dims the Power LED and the LEDs above the Speaker Selector
buttons on the front panel.
NOTE: This setting is stored permanently even after the RA‑1572MKII
is powered off.
• POWER ON MAX VOLUME: This sets the maximum volume level when
the unit is turned ON. “45” is the factory default.
NOTE: Power On Max Volume settings do not apply to sources
congured with Fixed Gain.
• POWER OPTION: Enables the RA-1572MKII to be controlled via the network
port when attached to an automation system. The power consumption is
higher in Quick Power mode. If network control is not required select the
Normal Power mode. “Normal” is the factory default.
Valid settings include: Normal, Quick.
NOTE: When the POWER OPTION is configured to Quick, the
RA‑1572MKII will consume additional power in standby mode.
NOTE: Due to local power consumption regulations the POWER
OPTION function is not available in all markets.
• USB POWER: This option allows the rear panel USB connector to provide
power, even when the RA-1572MKII is in standby mode.
To enable the continuous power mode select the ALWAYS option. To provide
power only when the RA-1572MKII is powered on, select the NORMAL
option. The default for USB POWER is set to NORMAL.
NOTE: The front panel power button must be in the ON position to
supply power to the rear panel USB connector.
NOTE: When the USB POWER is configured to ALWAYS the RA‑
1572MKII will consume additional power in standby mode to supply
USB power.
NOTE: Due to local power consumption regulations the USB POWER
function is not available in all markets.
EXT REM IN Jack
p
This 3.5mm mini-jack receives command codes from industry-standard infrared
receivers via hard-wired connections. This feature could prove useful when
the unit is installed in a cabinet and the front-panel sensor is blocked. Consult
your authorized Rotel dealer for information on these external repeaters and
the proper wiring of a jack to t the mini-jack receptacle.
Network Connection
t
The RA-1572MKII can be attached to a network using the rear panel
NETWORK socket t. The NETWORK congurations allow both STATIC
and DHCP IP addressing. See the Network section of this manual under
Setting Menu for IP address conguration information.
The NETWORK connection allows software updates to be downloaded from
the Internet. The NETWORK connection also allows IP control for integration
with automation systems.
For additional information on the IP control please contact your authorized
Rotel dealer.
Protection Circuit
The amplier has both thermal and over-current protection circuitry that
protects the amplier against damage in the event of extreme or faulty
operating conditions. The protection circuits are independent of the audio
signal and have no impact on sonic performance. Instead, the protection
circuits monitor the temperature of the output devices and shut down the
amplier if temperatures exceed safe limits.
Most likely, you will never see this protection circuitry in action. However,
should a faulty condition arise, the amplier will stop playing and will
display “AMP PROTECTION“ on the front panel.
If this happens, turn the amplier off. Let it cool down for several minutes,
and attempt to identify and correct the problem that caused the protection
circuitry to engage. When you turn the amplier back on, the protection
circuit will automatically reset.
In most cases, the protection circuitry activates because of a fault condition
such as shorted speaker wires, or inadequate ventilation leading to an
overheating condition. In very rare cases, highly reactive or extremely low
impedance speaker loads could cause the protection circuit to engage.
If the protection circuitry triggers repeatedly and you are unable to isolate
and correct the faulty condition, contact your authorized Rotel dealer for
assistance in troubleshooting.
Settings Menu
You can access the settings menu from the front panel by pressing the
MENU
9
button or the SETUP D button on the remote. You can change
the value of the selected option by pressing the +/- buttons on the front
panel or up/down/left/right E arrow buttons on the remote. Step through
the sub-menus by pressing the MENU
9
button on the front panel or the
SETUP D button on the remote.
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