User manual MCINTOSH MR87

[. . . ] McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www. mcintoshlabs. com MR87 AM/FM Tuner Owner's Manual 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. third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. [. . . ] Then rotate the PRESET/ MENU Control to select Setup Menu item "SETUP: DEEMPHASIS _ _uS". Refer to figures 12 and 13. FM SCAN SENSITIVITY LESS MORE || Figure 6 2. Rotate the TUNE/ADJUST Control clockwise to increase the Scan Sensitivity (more stations received, however some might not be listenable), refer to figure 4. FM SCAN SENSITIVITY LESS ýýýýý MORE Figure 7 SETUP: STEREO BLEND NORMAL Figure 9 Rotate the TUNE/ADJUST Control counterclockwise to decrease the Scan Sensitivity (less 2 Distance from the radio station, radio station power output, placement and type of the FM Antenna, multipath interference and atmospheric conditions. 2. Rotate the TUNE/ADJUST Control to select "LESS NOISE" for a reduction in background noise or select "MORE SEPARATION" with a possible increase in background noise over the NORMAL Setting. Refer to figures 10 and 11. 16 SETUP: DEEMPHASIS 75uS Figure 12 SETUP: PRESETS CLEAR PRESETS: AM Figure 15 SETUP: DEEMPHASIS 50uS Figure 13 SETUP: PRESETS CLEAR PRESETS: FM Figure 16 2. Rotate the TUNE/ADJUST Control to select the desired brightness. The range of adjustment is from 0 to 20. Proceed to the next Setup Menu Item or press the MONO/SETUP Push-button to exit the Setup Mode. "How to operate the Tuner" starts on page 20. 2. Rotate the TUNE/ADJUST Control to select the correct setting. Proceed to the next Setup Menu Item or press the MONO/SETUP Push-button to exit the Setup Mode. "How to operate the Tuner" starts on page 20. SETUP: PRESETS CLEAR PRESETS: ALL Figure 17 Information Display Brightness The brightness level of the Front Panel Information Display may be changed from the default setting. To change the brightness perform the following steps: 1. Press the MONO/SETUP Push-button until the Setup Mode is active. Then rotate the PRESET/ MENU Control to select Setup Menu item "SETUP: DISPLAY BRIGHTNESS: 3". Refer to figure 19. Clear Presets The MR87 AM/FM Tuner has three different Tuning Modes. One of the Tuning Modes is Preset Tuning, where favorite stations are entered into memory for quick recall. Any preset station may be removed from memory at any time. There are times when it may be desirable to remove from memory all or some of the preset stations. To accomplish this perform the following steps: 1. Press the MONO/SETUP Push-button until the Setup Mode is active. Then rotate the PRESET/ MENU Control to select Setup Menu item "SETUP: PRESETS". [. . . ] Refer to figure 56. information may include some or all of the following: A. The Type of Program and/or music format may be recalled at any time by pressing the DISPLAY Pushbutton on the Front Panel or by pressing the DISPlay Push-button on the Remote Control. Also refer to figures 57, 58, 59 and 60 for examples of the Text Information. 680 kHz Signal:¦¦¦¦¦¦¦ Figure 56 ¦ 91. 5 MHz ST ¦ WWWW-FM JAZZ 91 Figure 57 Tune to the weakest AM Station in your area and then orienting and/or change the placement of the supplied RAA2 AM Antenna for maximum signal and minimum noise and distortion. Reception of FM and AM Broadcasts is largely determined by local conditions. [. . . ]