User manual YAMAHA R-90

[. . . ] For example, the unit should not be situated on a bed, sofa, rug, or similar surface, that may block the ventilation openings; or placed in a built-in installation, such as a bookcase or cabinet that may impede the flow of air through the ventilation openings. Heat ­ The unit should be situated away from heat sources such as radiators, stoves, or other appliances that produce heat. 8 CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. 9 · Explanation of Graphical Symbols The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert you 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 you to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. 10 Power Sources ­ The unit should be connected to a power supply only of the type described in the operating instructions or as marked on the unit. 11 Power-Cord Protection ­ Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the unit. 12 Cleaning ­ The unit should be cleaned only as recommended by the manufacturer. WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. 13 Nonuse Periods ­ The power cord of the unit should be unplugged from the outlet when left unused for a long period of time. 1 2 3 4 5 Read Instructions ­ All the safety and operating instructions should be read before the unit is operated. [. . . ] Select the item which you want to adjust by pressing the DELAY/CENTER/REAR button and adjust its time or level by pressing the TIME/LEVEL +/­ button. G EDIT button This button is used to exchange the places of two preset stations with each other. K CENTER MODE button Selects a center channel output mode (NORMAL, WIDE or PHANTOM). (For details, refer to page 21. ) H TUNING DOWN/UP button Used for tuning. Press the "UP" side to tune in to higher frequencies, and press the "DOWN" side to tune in to lower frequencies. L PROGRAM selector button R-90 only When the built-in digital sound field processor (including the Dolby Pro Logic Surround decoder) is on, this button changes the currently selected DSP program whenever the right or left side of this button is pressed. I TUNING MODE (AUTO/MAN'L MONO) button Press this button to switch the tuning mode to automatic or manual. To select the automatic tuning mode, press this button so that "AUTO" lights up on the display. To select the manual tuning mode, press this button so that "AUTO" goes off. M CENTER LEVEL control R-90 only Adjusts the sound output level of the center speaker. N REAR LEVEL control R-90 only Adjusts the sound output level of the rear speakers. 16 English DISPLAY PANEL 1 234 56 PRESET MEMORY AUTO TAPE MON NORM WIDE PHANTOM l00 0 20 MHz EFFECT OFF PRO LOGIC CONCERT MONO DISCO ROCK CONCERT ENHANCED VIDEO MOVIE STADIUM CONCERT HALL ms dB STEREO SLEEP kHz 8 7 9 0 1 Multi-information display Displays various information, for example station frequency, preset station number and name of selected input source. 2 STEREO indicator Lights up when an FM stereo broadcast with sufficient signal strength is received. 3 Signal-level meter Indicates the signal level of the received station. If multipath interference is detected, the indication decreases. 4 SLEEP indicator Lights up while the built-in SLEEP timer is functioning. 5 Center channel mode indicators The name of a selected center channel mode lights up only when a program which uses the Dolby Pro Logic Surround decoder is selected. 6 EFFECT OFF indicator Lights up if neither the digital sound field processor nor the Dolby Pro Logic Surround decoder is on. 9 TEST key Used for speaker balance adjustment. (For details, refer to page 20­22. ) 19 SPEAKER BALANCE ADJUSTMENT This procedure lets you adjust the sound output level balance between the main, center, and rear speakers using the built-in test tone generator. When this adjustment is performed, the sound output level heard at the listening position will be the same from each speaker. This is important for the best performance of the digital sound field processor and the Dolby Pro Logic Surround decoder. 2 20 28 40 1 ­ l6 l2 8 4 R-V702 R-90 5 TIME/ LEVEL 5 ­ DELAY TIME + PROGRAM TEST EFFECT PROLOGIC ENHANCED ON/OFF VCR VIDEO DIR A DIR B REC/PAUSE PLAY + DELAY/CENTER TEST /REAR EFFECT PROGRAM PROLOGIC ENHANCED ON/OFF VCR 60 2 TV/DBS DVD/LD 0 ­dB DIR A DIR B REC/PAUSE PLAY A/B TAPE A/B TAPE ­ PRESET + A/B/C/D/E TUNER ­ PRESET + A/B/C/D/E TUNER DISC PLAY CD DISC PLAY CD 3 4 PHONO PHONO POWER SLEEP VOLUME SLEEP POWER VOLUME 1 20 28 40 VOLUME l6 l2 3 8 4 Select the main speakers to be used. SPEAKERS A B ON 60 2 OFF 0 ­dB Set to the "" position. * If you use two main speaker systems, press both the A and B switches. 2 Turn the power on. 4 2 3 4 l BASS 0 l 2 3 4 2 3 4 TREBLE 0 l l 2 3 4 5 5 BALANCE 0 l l 2 3 4 L5 2 3 4 5R POWER 5 5 Set to the "0" position. 5 TEST 20 English R-V702 R-90 ­ TIME/ LEVEL + DELAY/CENTER TEST /REAR EFFECT ­ DELAY TIME + PROGRAM TEST EFFECT PROGRAM PROLOGIC ENHANCED ON/OFF PROLOGIC ENHANCED ON/OFF VCR l6 20 l2 TV/DBS DVD/LD VCR VIDEO 28 8 DIR A 40 4 DIR B REC/PAUSE PLAY DIR A DIR B REC/PAUSE PLAY 60 2 A/B TAPE A/B TAPE 0 ­dB ­ PRESET + A/B/C/D/E TUNER ­ PRESET + A/B/C/D/E TUNER DISC PLAY CD DISC PLAY CD PHONO PHONO POWER VOLUME SLEEP 8 6 7 SLEEP POWER VOLUME 7 6 Select the center channel output mode suitable for your speaker configuration. (Refer to "SPEAKER CONFIGURATION" on page 7. ) 7 VOLUME l6 20 l2 7 Turn up the volume. 28 8 CENTER MODE NORMAL WIDE 40 4 60 2 0 ­dB PHANTOM On the feature of each mode, refer to the "Note" shown below. You will hear a test tone (like pink noise) from the left main speaker, then the center speaker, then the right main speaker, and then the rear speakers, for about two seconds each. The display changes as shown below. Main (L) Note In step 6, when you select a center channel output mode, note the following. For 5 speaker configuration) NORMAL: Select this mode when you use a center speaker that is smaller than the main speakers. In this mode, the bass tone will be output from the main speakers. WIDE: Select this mode when you use the center speaker approximately same sized as the main speakers. For 4 speaker configuration) PHANTOM: Select this mode when you do not use the center speaker. The center sound will be output from the left and right main speakers. [. . . ] A desired station cannot be tuned in with the automatic tuning method. AM FM There are continuous crackling and hissing noises. There are buzzing and whining noises (especially in the evening). Noises will result from ligtning, fluorescent lamps, motors, thermostats and other electrical equipment. Direct sunlight or lighting (of an inverter type of flourescent lamp etc. ) is striking the remote control sensor of the main unit. The batteries of this remote control transmitter are too weak. Remote control transmitter The remote control transmitter does not work. Replace the batteries with new ones. [. . . ]