User manual KENWOOD KR-797

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[. . . ] AUDIO VIDEO SURROUND RECEIVER KR-897 KR-797 INSTRUCTION MANUAL KENWOOD CORPORATION This manual contains instructions for two models. Model availability and features (functions) may differ depending on country and sales area. Model KR-897 is not available in except for U. S. A. and Canada. B60-3069-00 CS (K, P, Y) MC 98/12 11 10 9 8 7 6 5 4 3 2 1 97/12 11 10 9 8 7 6 5 4 3 2 1 Before applying power KR-897/KR-797 (En) 2 Before applying power Units are designed for operation as follows. 3 Caution : Read this section carefully to ensure safe operation. Europe and U. K. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] To use this mode, connect the center speaker. TV Front speaker Recommended speaker installation It is recommended that the surround speakers are installed straight to the left and right of the listening position or slightly behind, at a height of about 1 meter higher than the listener's ears. Each surround speaker should be installed so that the longer sides are horizontal. KR-897/KR-797 (En) 24 To improve the feeling of presence in the surround modes, various parameters of each surround mode can be set up according to the speaker system used as well as to the environmental of the listening room. The following procedure let you set the parameters of the surround mode (DOLBY PRO LOGIC, DOLBY 3 STEREO). Once the settings have been done, it is held in memory so readjustment is not necessary even after the mode has been changed to other modes. 1 2 3 POWER 4 5 6 0 7 8 9 +10 DISK SKIP A/B +100 7 AUTO 2 4 6 BAND 1 VIDEO1 TAPE1 ¡ ¢ AUDIO-VIDEO SURROUND RECEIVER KR-897 PRO LOGIC 3 STEREO P. CALL TUNER TAPE2 MONITOR CD PHONO STANDBY SRS 3D SPEAKERS STEREO SRS 3D INPUT SELECTOR VOLUME CONTROL VIDEO2 AV AUX LISTEN MODE MUTE POWER N. B. SOURCE DIRECT CENTER MODE LEVEL CONTROL 1 ON/STANDBY 2 3 4 5 6 7 8 9 0 TAPE2 MONITOR +10 AUTO DIRECT MEMORY BAND DIMMER TUNING P. CALL DOWN UP SETUP SOUND VOLUME CONTROL PHONES REMOTE CONTROL UNIT RC-R0505 SPEAKERS : Keys or controls to be used in this operation Adjustments for surround play 1 Select the DOLBY PRO LOGIC surround mode. PRO LOGIC ÷ Select a surround mode according to the played source and your system components. Lights SURROUND PROLOG IC 2 Select the CENTER MODE. CENTER MODE Each press of CENTER MODE key switches the modes as follows: 1 NORMAL : When the center speaker is a compact speaker. 2 WIDEBAND : When the center speaker is a large speaker. 3 PHANTOM : When no center speaker is used. 3 Adjust the front speaker balance. 1 Press the SETUP key (on the remote control unit). SETUP Adjustment procedure: Each press of the SETUP key switches the adjusted items as shown below. 3 Adjusting the front speaker balance 4 Adjusting the volume level of each speaker 5 Adjusting the delay time End of setup To cancel setup in the middle, press the SETUP key repeatedly until the setup mode is cancelled. 2 Adjust the front speaker (left & right) levels so that the left and right levels are identical. To decrease the left channel sound LEVEL CONTROL Left speaker position Center position indication Right speaker position SURROUND To decrease the right channel sound ---yt- Balance setup 3 Press the SETUP key again to establish the setup. After this, the unit enters the condition for "4 Adjust the volume level of each speaker". KR-897/KR-797 (En) How to calculate the proper delay time Assuming that the distance from the front speakers is A meters and that from the surround speakers is B meters: Front speakers 1 Use the delay time calculation chart on the right. Example: When A = 3 m, B = 3 m, the delay time is 20 ms. 25 What is delay time? Surround speakers 2 Use the following formula for calculation. Delay time = 20 + 3 x (A - B) (Unit: ms) The sound entering the ears include the direct sound coming from the sound source and the indirect sounds reflected from the walls, floor, ceiling, etc. The indirect sounds are delayed because they travel longer distance required for reflection before they reach the ears. The delay time is the difference in time between the direct sound and indirect sounds. 4 Adjust the volume level of each speaker. 1 Ensure that "TEST L" is displayed. Test tone will be output from each speaker. 2 Adjust the volume levels of the center speaker and surround speakers with reference to the front speaker (left & right) levels. (1) While test tone is output from the speaker(s) to be adjusted, (2) Adjust the speaker level. To increase LEVEL CONTROL ÷Noise-like test tone moves across speakers at intervals of 1. 5 seconds. TEST L (Front speaker, left) TEST C (Center speaker) (Only when NORMAL or WIDE BAND is selected in step 2) TEST R (Front speaker, right) TEST S (Surround speakers) (Only when PRO LOGIC is selected in step 1) SURROUND TEST 5 Display when test tone is output from surround speakers To decrease 3 After having adjusted all of the speaker levels, establish the setup. SETUP ÷ Be sure to adjust from the listening position. ÷ Each press of a LEVEL CONTROL key varies the level by 1 dB. ÷ The volume level can be adjusted in the range from -10 to +10 dB. ÷ The front speaker (left & right) levels cannot be varied with the LEVEL CONTROL keys. ÷ Adjust the volume level from each of the center speaker and surround speakers while test tone it output from the corresponding speaker. After this, the unit enters the condition for "5 Adjust the delay time". 5 Adjust the delay time. 1 Ensure that the delay time adjustment display is displayed. 2 Adjust the delay time. To increase LEVEL CONTROL ÷ Check the proper delay time for your listening room by referring to "How to calculate the proper delay time". ÷ Select an integer value which is closest to the value obtained with "How to calculate the proper delay time". ÷ The delay time can be adjusted to 15, 20, 25 or 30 ms. To decrease 3 Establish the setup. SETUP SURROUND -X-11 Adjustment position Front speaker side Surround speaker side 20 Delay time This is the end of setup (the unit returns to the condition before starting the setup operations). KR-897/KR-797 (En) 26 When playing videotape (DVD or LD) software carrying the mark, a sound field with enhanced surround effects can be enjoyed by using the DOLBY PRO LOGIC or DOLBY 3 STEREO mode. Be sure to complete "Adjustments for surround play" prior to starting playback in one of these surround modes. ¢ 1 2 3 POWER 4 5 6 0 7 8 9 +10 DISK SKIP A/B +100 7 AUTO 2 4 6 BAND 1 VIDEO1 TAPE1 ¡ ¢ AUDIO-VIDEO SURROUND RECEIVER KR-897 PRO LOGIC 3 STEREO P. CALL TUNER TAPE2 MONITOR CD PHONO STANDBY SRS 3D SPEAKERS STEREO SRS 3D INPUT SELECTOR VOLUME CONTROL VIDEO2 AV AUX LISTEN MODE MUTE POWER N. B. [. . . ] ± 8 dB (at 100 Hz) MIDDLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 8 dB (at 900 Hz) TREBLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 5 dB (80 Hz) Output level / impedance Sub woofer preout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]

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