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12
There are two DATA PORTS labeled 1 and 2.
To connect a McIntosh unit to a Data Port, use a
3.5mm stereo mini phone plug cable, see Figure 11.
Data
Signal
N/C
Data
Ground
Headphones
The C8 features High Drive Headphone
Amplication. The output of the High Drive
Headphone Amplication provides plenty of
power with the exibility to utilize a wide range
of headphones types including high impedance
headphones.
Connect your headphones using a stereo ¼ inch
plug to the HEADPHONES jack on the right of the
INPUT Knob. The initial volume of the headphones
will be the last volume used for headphones with a
startup limit of 70. When headphones are connected,
the other outputs are muted.
USB Service Port
The USB port on the rear of the C8 is for McIntosh
service use only. If you wish to add digital
capabilities to your C8 see “DA2 Expansion Slot”
on page 11.
Power On the C8
To power on the C8, press and release the Right Knob.
The C8 will go through a Tube Warmup stage. The
Tubes will have an orange glow. When Tube Warmup
is complete, the orange lights will turn green or off if
the Tube Light Trim option is set to Off.
Trim Funcons and Sengs
The Trim Functions allow you to make changes
quickly to 11 different settings.
Trim Function Settings
BALANCE Adjust in degrees from right to
left. Default is Centered
TONE CONTROL On or Off (Default On)
BASS -12 dB to +12 dB in 1 dB
increments, Default is 0 dB
TREBLE -12 dB to +12 dB in 1 dB
increments, Default is 0 dB
MONO / STEREO Mono or Stereo. Default is
Stereo
OUTPUT 1 On or Off. Default is On
OUTPUT 2 On or Off. Default is On
INPUT TRIM -6.0 dB to +6.0 dB in 0.5 dB
increments
METER (AMP)
LIGHTS
On or Off. Default is On
TUBE LIGHTS On or Off. Default is On
DISPLAY
BRIGHTNESS
Always On or Auto Off.
Brightness adjustments:
25%, 50%, 75% or 100%
To use the Trim Menu you can either:
Press and release the Left Knob to enter the Trim
Menu. Turn the Left Knob to scroll the Trim
Functions. Turn the Right Knob to change settings for
the current Trim Function. Press and release the Left
Knob or allow the screen to time out to exit the Trim
Menu, or turn the Left Knob to access a different Trim
Function. The current setting will be saved.
Or:
With the C8’s Remote Control, press the SELECT
/ TRIM button to enter the Trim Menu. Use the up
and down arrows (above and below the SELECT/
TRIM button) to scroll the Trim Functions. Use the
left and right arrows (left and right of the SELECT/
TRIM button) to change and select settings. Press
the SELECT/TRIM button to leave the Trim Menu
or use the up and down arrows to select other Trim
Functions. The Trim Menu will automatically exit
after 10 seconds of no activity. Current settings will be
saved.
Phono Trim Funcon
When either of the Phono Inputs is selected, a
Phono Trim Function becomes available in the Trim
Menu.
For MM Phono Input, the Trim Function is called
PHONO CAPACITANCE. This setting allows you
to choose a setting that most closely matches the
recommended setting for your Moving Magnet
Phono cartridge. The options are selected by
rotating the Right Knob. The options range from
50pF to 400pF in 50pF increments.
For MC Phono Input, the Trim Function is called
PHONO RESISTANCE. This setting allows you
to choose a setting that most closely matches the
recommended setting for your Moving Ceramic
Phono cartridge. The options are selected by
rotating the Right Knob. The options are: 50, 100,
200, 400 and 1000 ohms.
Tone Control, Bass and Treble
Bass and Treble can only be adjusted when TONE
CONTROL is set to On. When TONE CONTROL
is off, Bass and Treble will be 0 dB. When Tone
Control is On, previous Bass and Treble settings
will be active, and can be changed.
Figure 11– 3.5mm Data plug
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