BSS Audio DPR 522 Скачать руководство пользователя страница 34 | Manualshive

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User Notes

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Содержание DPR 522

Страница 1: ...1 DPR 522 User Manual...

Страница 2: ...TY CERTIFICATION VOID For continued compliance with international EMC legislation ensure that all input and output cables are wired with the cable screen connected to Pin 1 of the XLR connectors and o...

Страница 3: ...urns 11 5 4 Key send 12 6 0 Control Operations 13 6 1 Channel In 13 6 2 Key filter 13 6 3 Width 13 6 4 Key listen 14 6 5 Ext key 14 6 6 Threshold 14 6 7 Key level meter 15 6 8 Range 15 6 9 Attack 16 6...

Страница 4: ...for 22 7 2 Basic operation 23 8 0 General applications 24 8 1 Basic gating 24 8 2 Frequency conscious gating 24 8 3 Ducking 25 8 4 Using the Key filter as EQ 25 9 0 Warranty Information 26 10 0 Speci...

Страница 5: ...t mounting flange The necessary support can generally be bought ready built as a rack tray or the DPR 522 can be mounted between other units Damage caused by insufficient support is not covered in the...

Страница 6: ...selector switch on the rear of the unit It is vital that the position of this switch is checked BEFORE initial power up to ensure that it matches the local mains supply Acceptable input AC supply volt...

Страница 7: ...of other equipment with the DPR 522 To further enhance the unit s flexibility extensive control of the DPR 522 is possible using external DC control signals and switches inputs are available to remote...

Страница 8: ...8 The DPR 522 Fig 4 2 Rear Panel Fig 4 1 Front Panel...

Страница 9: ...9 All numbers in bubbles refer to Section numbers...

Страница 10: ...connected to pin 1 to ensure that EMC regulations are being met and the cable shield ground should also be connected to the equipment which is providing the input signal When feeding the DPR 522 from...

Страница 11: ...ure continued compliance with EMC regulations The cable shield ground should be connected to the equipment which is providing the input signal Fig 5 5 Fig 5 6 Fig 5 4 When using the DPR 522 to drive u...

Страница 12: ...load of 2k Ohms or greater The signal HOT or in phase signal is to the jack plug tip The COLD or out of phase signal is to the ring with the shield being connected directly to the chassis Connection t...

Страница 13: ...key parametric filter This filter is used to control the frequency content of the signal being sent to the gate control circuitry to allow the filtering out of signals not required to control the gat...

Страница 14: ...y 6 6 Threshold The filtered key signal is passed to the THRESHOLD control The numbers around the THRESHOLD control indicate the approximate level in dBu that will be required from the key filter in o...

Страница 15: ...nditions the trigger point is visible The meter has a very fast response time coupled with a decay time optimised to allow you to see rapidly recurring signal peaks 6 8 Range With the gate open the pr...

Страница 16: ...open even if the signal momentarily falls below the threshold level This is important as it allows for both a clean chatter free attack phase and ensures that especially with short hold and release ti...

Страница 17: ...osing between words 6 12 Release This is the final phase of operation and is entered after the HOLD time has expired At the end of the time set with the RELEASE control the signal will be reduced by t...

Страница 18: ...be made to operate simultaneously The key signals from both channels are added together and applied to the controls and key level meter of channel 1 for processing in the normal manner The gain contro...

Страница 19: ...cation of the dynamic response of the gating action One thing to remember is that during the attack and release phases as stated earlier the DPR 522 uses a logarithmic control law to give a smooth fad...

Страница 20: ...cket is the input to the DPR 522 s key side chain It may be used as the return input from equipment being driven from the DPR 522 s KEY SEND connector of if desired may be driven from another unrelate...

Страница 21: ...ormally open switch to trigger the DPR 522 connect this switch between this pin and ground The DPR 522 will still respond to internal triggers If this is not required rotate the THRESHOLD control full...

Страница 22: ...fortunate it is sometimes not easy to set a gate up to only trigger on the desired signal quite often the wanted and unwanted signals are close to each other in level This is where key filters are use...

Страница 23: ...rol whilst listening to the program The scale calibration indicates the attenuation of the signal when the gate is closed This means that rather than being simply on or off the gate can be set to be s...

Страница 24: ...far can impart an unnatural character to the sound 8 2 Frequency conscious gating Set the KEY filter control to 1KHz and the WIDTH control to 8 oct With a signal applied to the MAIN input and depressi...

Страница 25: ...nput Apply the DJ program that you want to cause the ducking action to the KEY RETURN input Remember that if you wish to use a microphone as this signal it may need amplifying first Adjust the THRESHO...

Страница 26: ...sed in the European Union you may as an alternative return the unit to any other BSS distributor in the European Union You should include a statement listing the faults found The unit s serial number...

Страница 27: ...Hz 80kHz 3dB Noise 96dBu 22Hz to 22kHz Dynamic Range 117dB Cross Talk 85dB 20Hz to 20kHz Distortion 0 005 THD 80kHz measurement BW 20Hz 20kHz Typically 0 002 at 1kHz Unity Gain 10dBm output below thre...

Страница 28: ...it has no absolute level meaning Rather it is a logarithmic ratio used to express the differences between two amounts or levels Positive numbers indicate an increase and negative ones a decrease Some...

Страница 29: ...e and measured in ohms It indicates the amount of drive required for an input or the drive capability of an output at a given signal level Key The signal that is processed to produce the gate trigger...

Страница 30: ...16 Channel In 13 Duck 18 Ext key 14 Gate open 19 Hold 17 Key filter 13 Key listen 14 Open check 17 Range 15 Release 17 Stereo link 18 Threshold 14 Width 13 D Dimensions 5 Duck mode 18 Ducking 25 E Ea...

Страница 31: ...31 R Rack space 5 Range 15 Rear Panel 8 Release 17 S Specifications 27 Stereo link 18 T Threshold 14 U Unpacking 7 V Voltage selection 6 W Warranty 26 Width 13...

Страница 32: ...3 2 User Notes...

Страница 33: ...33...

Страница 34: ...3 4 User Notes...

Страница 35: ...35...

Страница 36: ...3 6 User Notes...

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