PCB Piezotronics Larson Davis BAS002 Скачать руководство пользователя страница 75

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BAS002

Creating MP3 Signal Files: Example

C-13

Click

Analyze

Plot Spectrum

For easy recognition on the BAS002
display, filenames should be 8 char-
acters or less. Duplicates are dis-
played with the same first 6
characters but the last 2 characters
are shown as “



2”.

Step 14

Save as MP3 file. Click

File

Export

. Then

select

Format: MP3

Step 15

Transfer to USB Memory.

•

Содержание Larson Davis BAS002

Страница 1: ...Building Acoustic Source Model BAS002 Power Amplifier Speakers Manual...

Страница 2: ......

Страница 3: ...IBAS 01 Rev B Larson Davis Building Acoustic Source Model BAS002 Power Amplifier Speakers Manual...

Страница 4: ...nt or representation by PCB Piezotronics Inc This publication may contain inaccuracies or typographical errors PCB Piezotronics Inc will periodically update the material for inclusion in new editions...

Страница 5: ...5 1 Chapter 6 Directional Source BAS003 6 1 Chapter 7 Software Control 7 1 Launching the Software 7 1 Connecting the Amplifier 7 2 Selecting USB Signal Sources 7 6 Selecting AUX Signal Sources 7 8 Se...

Страница 6: ......

Страница 7: ...his chapter describes the features functions and proper care of the Larson Davis Building Acoustic Source models BAS001 BAS002 and BAS003 Components Figure 1 1 shows the components of the BAS002 Power...

Страница 8: ...aveform using USB memory Pre programmed pink and white noise Fully automated reverberation time measurements with the Model 831 noise generator ROHS CE ISO 10140 ISO 3382 and ASTM E2235 compliant Soft...

Страница 9: ...ng standard accessories Ethernet cable AC power cable CBL182 Speakon cable 50 ft 16m ISM antenna Hand held remote control with PP3 Battery USB device with signal files and manual Hardcase for BAS002 p...

Страница 10: ...is building acoustic source and sound level measurement products FIGURE 1 2 Deployment Layout BAS002 Amplifier CBL180 Model 831 AC Out to BNC ISM Antenna BAS001 Dodecahedral Speaker CBL182 Speakon Spe...

Страница 11: ...emperature below 60 C or above 10 C Follow the connection directions carefully A wrong connection can damage the product or its connected parts Do not try to repair this product yourself If damaged se...

Страница 12: ...BAS002 Cleaning 1 6...

Страница 13: ...e shipment for calibration service Report any damage or shortage immediately to PCB Piezotronics Inc at 888 258 3222 toll free or 1 716 926 8243 The BAS002 includes the following BAS002 Power Amplifie...

Страница 14: ...r vertically on a firm surface and place the tripod in a stable position Always stop signal generation and disconnect AUX in before connecting or disconnecting the speaker cable Step 4 Connect the amp...

Страница 15: ...el BAS002 By default the value of the power output is set to 40 dB the amplifier is set to Stop mode and the auxiliary input is not connected to the final power amplifier stage To power up the system...

Страница 16: ...ifier will not switch on FIGURE 2 2 BAS002 Amplifier Display The amplifier should be connnected to a grounded socket The default source input is the USB port The LED near the USB port will flash green...

Страница 17: ...pply and filtering Before powering down stop any files from playing or stop the Aux input Although the amplifier is protected against abrupt source interruption the speaker may be damaged if an interr...

Страница 18: ...s the following interfaces Front Panel Display keypad AUX input connector ISM Antenna for remote control right side panel the ethernet connector monitor output and the trigger connectors FIGURE 3 1 BA...

Страница 19: ...OWER IN The BAS002 is powered as either 110V U version or 220V E version AC nominal voltage Ensure that proper connection for the signal is made by twisting the connector clockwise SIGNAL OUT The sign...

Страница 20: ...d with control software and fixed IP addresses to remotely control the amplifier Use a crossover cable to connect directly to a PC or a straight cable to connect to a switch or router Display and Keyp...

Страница 21: ...le list This function is active in USB mode and when the amplifier is not playing STAND BY Select this field and press OK to put the ampli fier in low power mode Outputs such as vol ume are not change...

Страница 22: ...y lit indicates that the amplifier is in clipping mode and will activate protection cir cuits to lower output power Pause Timer Shows the seconds remaining for pause mode Run Count Shows the number of...

Страница 23: ...SWEEP field changes to the name of the first file you can leave that file as the selection or press OK in this field to scroll through the list of files Step 4 Select the PLAYING field and press OK to...

Страница 24: ...fier separator stage Each channels has its own volume control level If AUX in is selected AUX ON appears in the first field Selecting the AUX ON field and pressing OK connects the power amplifier to t...

Страница 25: ...s for a specified PauseTime After the pause the amplifier plays the selected file for the specified PlayTime After playing for the specified PlayTime the amplifier pauses again for the specified Pause...

Страница 26: ...apsed or for the duration of the file whichever ends first Applying the BasBOOST Enhancer To activate the BasBOOST function select the field and press OK BasBOOST enhances lower frequencies with a sel...

Страница 27: ...pter describes the functions and operations of the hand held remote control The BAS remote control operates in the ISM band at 2 4 GHz conforming to world wide regulatory approved frequencies FIGURE 4...

Страница 28: ...own arrow keys Up and Down Arrows these keys can be programmed by software to activate functions such as BasBOOST TIMER STANDBY etc Each function that is programmed is saved for next use until a diffe...

Страница 29: ...w flashing or steady The remote control is signaling the amplifier successfully but the battery power is low Programming Mode The hand held remote control can be put in programming mode to change the...

Страница 30: ...BAS002 Battery Replacement 4 4...

Страница 31: ...gh power output Omnidirectionality Frequency range wide enough for efficiently reproducing the sound field from 100 Hz up to 6300Hz Small dimensions and light weight Each feature can be optimized inde...

Страница 32: ...on the side of the speaker to help in handling and managing the device The source can be positioned on the floor using the five feet on one side To connect the speaker cable insert it into the female...

Страница 33: ...rectionality Frequency range wide enough for efficiently reproducing the sound field from 100 Hz up to 4000Hz Small dimensions and light weight These features can be optimized independently The freque...

Страница 34: ...BAS002 6 2...

Страница 35: ...unctions and controls of the BAS002 system software Launching the Software To launch the BAS002 system software copy the odsctrl exe file from the supplied USB flash memory and paste it to a location...

Страница 36: ...rectly to a PC use a crossover networking cable Feature Function Remote Control Amplifier Keypad Software Controls Start Stop Y Y Y Output Volume Y Y Y File Selection Y Y Y Input USB or AUX N Y Y Stan...

Страница 37: ...4 excluding number 2 The software controls are not enabled until the connection is established with the amplifier Upon connection the connect icon changes to green and the previously specified setting...

Страница 38: ...4 Step 2 On the Network and Sharing Center click on the Local Area Connection link as shown in Figure 7 3 FIGURE 7 3 Local Area Connection Link Step 3 On the Local Area Connection Status dialog box c...

Страница 39: ...n in Figure 7 4 FIGURE 7 4 LAN Properties On the General tab of the Internet Protocol TCP IP Properties dialog box select the option to Use the following IP address Enter the static IP address of your...

Страница 40: ...e the connection is established the LED on the Ethernet port changes from a flashing red to a steady green Selecting USB Signal Sources To select USB signal sources in the BAS002 software follow these...

Страница 41: ...the name of the file is also shown on the amplifier display FIGURE 7 7 File List Larson Davis recommends verifying the signal initially at low output levels Step 4 In the Volume Control area adjust th...

Страница 42: ...Out jack of the Model 831 Figure 7 8 shows the AC Out FIGURE 7 8 Model 831 AC Out Step 2 Insert the BNC connecter end of CBL180 into the CBL181 extension cable connector Step 3 Insert the BNC connect...

Страница 43: ...dB Step 5 To begin sound measurement click PLAY Refer to the Larson Davis Model 831 Manual for more information on playing sound files Setting Parameters In the lower left corner of the software inter...

Страница 44: ...plifier Select Enabled or Disabled Range Finder Beep Select this option to have amplifier beep each time it receives a signal from the remote control for testing purposes This option should not be sel...

Страница 45: ...t number of seconds for the on going play time Repeat Specify the Max number of seconds for the starting number of play pause cycles Specify the Current number of seconds for the on going play pause c...

Страница 46: ...alues from high to blank Back Light Select this option to turn on the backlight Step 3 Click Set Audio To set Audio parameters in the amplifier follow these steps Step 1 Click the Audio tab Figure 7 1...

Страница 47: ...ay menu are also available on the software interface including To perform any of these functions click the buttons labelled accordingly BasBoost StandBy Timer The timer function parameters can be set...

Страница 48: ...BAS002 Audio 7 14...

Страница 49: ...h BAS001 or BAS003 ISO 3382 1 2009 When used with BAS001 ISO 3382 2 2008 When used with BAS001 ASTM E90 When used with BAS001 ASTM E336 When used with BAS001 or BAS003 ASTM E966 When used with BAS003...

Страница 50: ...Hz Fuse T3 15AH 5x20mm AUX IN Connector BNC Input Voltage 10 Vpk max Input Impedance 100 k Analog Out Connector BNC Output Voltage 10 Vpk max Output Impedance 50 Speaker Output Connector Neutrik Spea...

Страница 51: ...1khz 4 500 W Bandwidth 4 Load 5 Hz 80 Khz Thd N Aes17 Filter 10hz 20khz 0 12 Efficiency 500 W 4 230 Vac 81 Voltage Gain 27 1 dB Linearity 20 Hz 20 Khz 0 5 dB Imd 0 0005 Tmd 0 003 Idle Noise 80 uV Pow...

Страница 52: ...atibilities may occur with MPEG 2 5 because it is not a standard format Sample rate Bitrate kbit sec Hz 5 6 8 1 0 1 2 1 6 2 0 22 3 2 4 0 4 8 64 8 0 96 12 8 16 0 192 25 6 32 0 8000 11025 16000 22050 32...

Страница 53: ...n is satisfied with 10dBm The radio unit is FCC compliant as channels 0 1 and 79 are avoided Assembly Drawing Operating Band ISM Frequency 2 4 GHz 2 483 GHz Receiver sensitivity 95 dBm Output Power EI...

Страница 54: ...rity inversion protection Protecting Rubber boot Dimension 5 7 x 3 1 x 1 6 in 14 5 x 8 x 4 cm Weight with battery 0 44 lbs 200 g Temperature Range 20 C to 70 C Relative Humidity 90 not condensing PP3...

Страница 55: ...requency Response Flatness in Standards Range Lightweight Compact dimensions Dimensions carrying case CCS044 14 x 14 x 15 in 37 x37x39 cm Weight 17 lbs 7 7 kg Temperature Range 20 C to 70 C Relative H...

Страница 56: ...A 8 Model BAS001 Dodecahedral Source Specifications BAS002 Min Max Directivity Errors Equalized output power...

Страница 57: ...ource Specifications A 9 Directivity Model BAS003 Directional Source Specifications Features High sound power level output Acoustically Directional Source Frequency Response Flatness in Standards Rang...

Страница 58: ...case CCS044 14 x 14 x 15 in 37 x37x39 cm Weight 17 lbs 7 7 kg Temperature Range 20 C to 70 C Relative Humidity 90 not condensing Sound Power 113 dB re 1 pW not equalized 116 dB re 1 pW equalized 50 5...

Страница 59: ...ity PCB Piezotronics Inc declares that Model BAS002 Power Amplifier has been measured in representative configuration with Model BAS001 Dodecahedral Source Model BAS003 Directional Source Remote Contr...

Страница 60: ...6 Radiated radio frequency electromagnetic field immunity 26 MHz to 1 GHz at 10 V m 1 4 GHz to 2 GHz at 3 V m 2 0 GHz to 2 7 GHz at 1 V m with 1 kHz 80 AM IEC 61000 4 4 2004 Electrical fast transient...

Страница 61: ...files to 8 characters Signal Type pink pink noise white white noise sweep sine sweep Equalization eq Equalized for dodecahedral speaker Signal is modi fied to account for output of this speaker invers...

Страница 62: ...B 2 BAS002...

Страница 63: ...est Step 3 Adapt the signal to the BAS001 speaker output Step 4 Compress signal to gain output power Step 5 Normalize signal within the MP3 file Creating MP3 Signal Files Example For the most current...

Страница 64: ...nerate Noise The fol lowing Noise Generator dialog box specifies white noise for six minutes The resulting screen allows you to verify the following Click the Audiotrack drop down arrow to switch view...

Страница 65: ...BAS002 Creating MP3 Signal Files Example C 3 Step 4 Sharpen frequency contents Click Analyze Plot Spectrum The following dialog box appears...

Страница 66: ...eating MP3 Signal Files Example BAS002 Step 5 Edit the graphical curve Click Effect Equaliza tion Use the Draw Curve mode to edit as shown below You can also use the Graphic EQ function to modify the...

Страница 67: ...ignal Files Example C 5 Step 6 Normalize Click OK then click Effect Nor malize The Normalize dialog box appears as shown below Although Audacity limits the dynamic range of the filter this will be cor...

Страница 68: ...C 6 Creating MP3 Signal Files Example BAS002...

Страница 69: ...es Example C 7 Step 7 View the plot spectrum Click Analyze Plot Spectrum Step 8 Select the curve Click Effect Equalization Select the eq12cawhite curve as shown below This curve is the BAS001 white no...

Страница 70: ...C 8 Creating MP3 Signal Files Example BAS002 Step 9 Click OK The Equalization graph shows the curve below...

Страница 71: ...BAS002 Creating MP3 Signal Files Example C 9 Step 10 Click Effect Normalize Then click OK...

Страница 72: ...C 10 Creating MP3 Signal Files Example BAS002 Step 11 Click Analyze Spectrum Note Log frequency...

Страница 73: ...BAS002 Creating MP3 Signal Files Example C 11 Step 12 Click Effect Compressor Compress the signal with the Dynamic Range Compressor dialog box as shown below...

Страница 74: ...C 12 Creating MP3 Signal Files Example BAS002 Step 13 Click OK...

Страница 75: ...easy recognition on the BAS002 display filenames should be 8 char acters or less Duplicates are dis played with the same first 6 characters but the last 2 characters are shown as 2 Step 14 Save as MP3...

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