McIntosh C12000ST C12000 Vacuum Tube Preamplifier

Owner's Manual - Page 25

For C12000ST.

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25
the Information Display, then release the SETUP
Push-button. Refer to figures 49 and 50.
Figure 49
FACTORY RESET
In Progress
Figure 50
FACTORY RESET
Completed!
4. Press the Front Panel STANDBY/ON Push-button
to switch the C12000 on.
How to Operate the C12000
Power On and Off
The Red LED above the STANDBY/ON Push-button
lights to indicate the C12000 is in Standby mode.
To switch ON the C12000, press the STANDBY/ON
Push-button on the Front Panel or the (Power On)
Push-button on the Remote Control. The C12000 will
go through a TUBE WARMUP (15 seconds) with the
Tubes in the C12000 Preamplifier glowing an amber
color, a brief startup initialization with the Front Panel
Information Display indicating the last used source
and volume setting. The illumination of the Tubes will
now glow a green color; this is followed by the volume
setting indication starting at zero, then increasing
to the last used volume setting. To switch OFF the
C12000, press the STANDBY/ON Push-button on the
Front Panel or the OFF Push-button on the Remote
Control.
Note: For an explanation of the Remote Control
Push-button functions, refer to Page 14.
Auto Off Feature perform the following steps:
1. Press the SETUP Push-button to enter the SETUP
MODE. Refer to figure 2.
2. Rotate the TRIM Control until “SETUP: Auto
Off, Enabled” appears on the Information Display.
Refer to figure 46.
Figure 46
SETUP: Auto-Off
Enabled
3. Rotate the ADJUST Control to select Disabled.
Refer to figure 47.
Figure 47
SETUP: Auto Off
Disabled
4. Exit the SETUP Mode by pressing the SETUP
Push-button.
Factory Reset
If it becomes desirable to reset all the adjustable set-
tings (Setup and Trim Settings) to the factory default
values, perform the following steps:
1. Press the SETUP Push-button to enter the SETUP
MODE. Refer to figure 2..
2. Rotate the TRIM Control until “FACTORY RE-
SET, (Hold SETUP)” appears on the Information
Display. Refer to figure 48.
Figure 48
FACTORY RESET
(Hold SETUP)
3. Press and hold in the SETUP Push-button until
“FACTORY RESET, In Progress” appears on
Figure 51
Source Selection
Rotate the Front Panel INPUT Control to select the
desired source or press the INPUT Upp or Downq
Push-button on the Remote Control. Refer to figure
52.
Figure 52
Volume Control
Rotate the Front Panel VOLUME Control or use the
VOLUME Upp or Downq Push-buttons on the Re-
mote Control for the desired listening level.
Trim Functions
The C12000 has nine different Trim Selections with
Adjustments. The Trim Selections include Balance,
Input Trim Level, Output 1, Output 2, Meter Lights,
Display Brightness, Phono Cartridge (MC & MM)
Loading (when the Input is Selected) , and Headphone
HXD Mode and Headphone Gain. The Trim Settings
are stored in memory independently for each Input
Source Selected, except the Meter Illumination, Dis-
play Brightness and Headphone Settings of which are
the same for all inputs.
Note: Selection and Adjustment of all Trim Functions
may be performed by rotating the Front Panel
TRIM Control and then use the ADJUST Con-
trol to change the setting. Remote Control TRIM
Push-Button together with the LEVEL UP / Down
Push-button may also be used. Refer to Remote
Control diagram on Page 14.
Balanced 1
15%
Unbalanced 1
15%
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