Optimod-Surround 8685 V1.0 Operating Manual - Orban

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3-26 OPERATION ORBAN MODEL 8685 B) With the mouse, highlight the desired 2.0 source preset, either Factory or User. C) Click IMPORT. After importing the 2.0 parameters, you are still free to adjust any individual Surround or 2.0 parameter. When you are satisfied with your work, you can then save this combination of Surround and 2.0 parameters as a new User Preset. You can then use your new User Preset as a source for 2.0 parameters to be imported into any other User Presets you may wish to create or edit. For example, you could have six User Presets with identical 2.0 processing parameters but with different Surround processing parameters. The 2.0 bulk import feature makes this easy. If you have not edited any parameters in a given 2.0 Factory Preset’s dynamics processing, LESS-MORE will continue to be available even if that 2.0 preset has been imported into a User Preset and you are editing that User Preset. Moreover, you can freely create multiple generations of User Presets that retain 2.0 LESS-MORE functionality. The only thing that counts is that the 2.0 parameters in a given User Preset are unchanged compared the original source Factory Preset. Sound-for-Picture Presets Sound-for-picture preset names all begin with “TV” or “TVA.” Most of these presets have the CBS Loudness Controller turned on. It is set so that loudness is constrained to a level consistent with the active DIALNORM value (see Loudness Control on page 3-14). If you wish to use a given preset with the loudness controller turned off, set its LOUDNESS THRESH parameter to OFF and save the result as a User Preset.
OPTIMOD SURROUND PROCESSOR OPERATION 3-27 Presets beginning with “TVA” are tuned with the assumption that the 2.0 processing is operating with 50μs or 75μs preemphasis and is driving an analog TV transmitter. See step 11 on page 2-31. A given “TVA” preset’s surround processing is identical to the surround processing in the corresponding “TV” preset, which is turned with the assumption that the 2.0 processing will operate with no preemphasis (FLAT); see step 10 on page 2-30. TV 2B–GEN PURPOSE (TV Two-Band General Purpose): This preset accommodates most dramatic programming (particularly older material), providing gentle gain control that limits dynamic range to a level that provides the general audience with consistently intelligible dialog. It sounds very similar to Orban’s analog OPTIMOD-TV (Model 8182A) when that unit is adjusted for “General” programming according to the instructions in its operating manual. This preset retains the spectral balance of its input as much as possible. TV 2B-GEN PURPOSE is not the best choice for live news, sports, or films with optical soundtracks. The Five-Band presets (see below) can automatically equalize such program material when its spectral balance is inappropriate and can also apply single-ended dynamic noise reduction. These presets defeat the AGC and do all gain riding with the two-band compressor, which is set for reverse exponential release. This release characteristic does not significantly increase the density of material whose level is well controlled while still performing fast correction of levels that are too low. The Loudness Controller is active, so this preset controls loudness tightly. For modern dramatic programming mixed in surround, you may prefer the TV 5B- Preset Names Normal Less-More TV 2B-GEN PURP NO LC 5.0 TV 2B-GEN PURPOSE 5.0 TV 5B-GEN PUR W NR 5.0 TV 5B-GEN PURPOSE 5.0 TV 5B-GEN PURP NO LC 5.0 TV 2B-DRAMA 5.0 TV 5B-DRAMA 5.0 TV 5B-DRAMA COUPLD 5.0 TV 5B-NEWS 5.0 TV 5B-OPTICAL FILM 5.0 TV 5B-SPORTS 5.0 TV AGC+LC 5.0 TV AGC+LC+DS 5.0 TVA 2B-GEN PURP NO LC 5.0 TVA 2B-GEN PURPOSE 5.0 TVA 5B-GEN PUR W NR 5.0 TVA 5B-GEN PURPOSE 5.0 TVA 5B-GEN PURP NO LC 5.0 TVA 2B-DRAMA 5.0 TVA 5B-DRAMA 5.0 TVA 5B-DRAMA COUPLD 5.0 TVA 5B-NEWS 5.0 TVA 5B-OPTICAL FILM 5.0 Table 3-1: Factory Programming Presets (Sound-for-picture)
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Operating Manual OPTIMOD 8685 Surro
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IMPORTANT SAFETY INSTRUCTIONS All t
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Manual PLEASE READ BEFORE PROCEEDIN
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Operating Manual OPTIMOD 8685 Surro
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LIMITED WARRANTY...................
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Advanced Two-Band Controls ........
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CIRCUIT DESCRIPTION................
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Function Description Drawing Page H
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C CALM Act 1- · 3 CBS Loudness Lev
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dual-mono mode 2- · 34 dull sound
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Reassembling 4- · 7 LCD display 6-
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DSP board 6- · 22 Encoder board 6-
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Resetting 8585 2- · 44 resolution
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Changing via terminal program 2- ·
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OPTIMOD SURROUND PROCESSOR INTRODUC
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2-2 INSTALLATION ORBAN MODEL 8685 C
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2-6 INSTALLATION ORBAN MODEL 8685 A
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OPTIMOD SURROUND PROCESSOR MAINTENA
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OPTIMOD MAINTENANCE 4-3 F) Disconne
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OPTIMOD MAINTENANCE 4-5 11. Removin
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OPTIMOD MAINTENANCE 4-9 most freque
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OPTIMOD MAINTENANCE 4-11 Test Proce
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OPTIMOD MAINTENANCE 4-13 D) LOCATE
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OPTIMOD MAINTENANCE 4-15 SMPTE Rise
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5-2 TROUBLESHOOTING ORBAN MODEL 868
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J10 NOTE: D7 and D8 are not populat
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1 10 9 8 7 6 4 3 2 5 C +3.3 VDC Req
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+3.3 VDC 5 2 MECC4 3 4 MECC6 6 MECC
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From Base Board 1 2 3 4 5 N/C 6 N/C
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+5V_PS1 CR1 SMAJ5.0CA +5V_PS2 CR2 S
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+ C703 10UF C725 0.1UF POWER SUPPLY
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DSP CONTROL INTERFACE 62375.000.01.
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(SHT7) (SHT7) (SHT6) (SHT6) (SHT6)
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L703 HZ0805G102R-10 C703 +3.3V 0.1U
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J2 1 2 3 4 5 6 7 8 9 10 11 12 13 14
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From Interface Board J2 Pin 4 is au
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IN-CIRCUIT SERIAL PROGRAMMING INTER
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+2.5V DGND +2.5V DGND +2.5V DGND +2
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+2.5V DGND_CLNR + C1300 47uF/10V +1
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RS485-SDI INTERFACE DGND J200 2 4 6
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Optimod-Surround 8685 V1.0 Operating Manual - Orban

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