User manual MCINTOSH C2300

[. . . ] Tube Preamplifier C2300 Owner's Manual McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 FAX: 607-724-0549 The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. WARNING - TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. To prevent the risk of electric shock, do not remove cover or back. No user-serviceable parts inside. IMPORTANT SAFETY INSTRUCTIONS! PLEASE READ THEM BEFORE OPERATING THIS EQUIPMENT. 1. Install in accordance with the manufacturer's instructions. [. . . ] Rotate the SELECT 2 Control until the Front Panel Alphanumeric Display indicates "INPUT 7 AUX". Refer to figure 7. Figure 7 Input Source Settings Default Title New Title Trim Trigger 4. Press the SETUP Push-button to exit the Setup Mode. TUNER DVD D/A CD CDR SERVER MC PHONO MM PHONO Meter Illumination On/Off The Front Panel Meter Illumination may be switched On or Off. Follow the steps below to switch the Meter Illumination Off. Press the SETUP Push-button to access the Setup Mode. Rotate the MENU Control until the words METER ON appears. Rotate the SELECT 2 Control until the Front Panel Alphanumeric Display indicates "METER OFF". Press the SETUP Push-button to exit the Setup Mode. 12 Setup, con't Display Brightness The Front Panel Alphanumeric DISPLAY Brightness may be varied from a setting of 1 (Dim) to 7 (Bright). Follow the steps below for reducing the Display Brightness. Press the SETUP Push-button to access the Setup Mode. Rotate the MENU Control until the word DISPLAY 7 appears. Rotate the SELECT 2 Control until the Front Panel Alphanumeric Display indicates "Display 3". Press the SETUP Push-button to exit the Setup Mode. cates "ACC< C > ON". Refer to figure 10. Figure 10 Tube LED Power Control Triggers The OUTPUT 1(A) and OUTPUT 2(B) Power Control Outputs are reassignable to activate only when a given Input is selected. In the following example, the Power Control OUTPUT 1(A) Jack will be set to function as TRIGGER A for the DVD Input. Press the SETUP Push-button to access the Setup Mode. Rotate the MENU Control until "TRIG TUNER > - - " appears on the Front Panel Alphanumeric Display. Refer to figure 8. Figure 8 To swich Off the Tube LED green illumination perform the following: 1. Press the SETUP Push-button to access the Setup Mode. Rotate the MENU Control until "TUBE LED ON" appears on the Front Panel Alphanumeric Display. Rotate the SELECT 2 Control until the display indicates "TUBE LED OFF". Press the SETUP Push-button to exit the Setup Mode. Passthru The C2300 can be part of a Multichannel Sound System for SACD, DVD-Audio and Home Theater. [. . . ] The Volume Control on the Front Panel of the C2300 is actually a special digital optical encoder. As the Volume Control is rotated, a beam of Infra Red Light is picked up by two internal sensors as a series of digital pulses. Refer to the exploded view in figure Optical Disc 29. The number of and time Infrared between pulses are counted by LED a Microprocessor which in turn controls the McIntosh designed Precision Electronic Attenuator that provides 213 steps in Sensors 0. 5dB increments and maintains Figure 29 the channel balance to within + 0. 1dB. [. . . ]