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Internal of

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5. NOMENCLATURE AND FUNCTIONS

5.1. Central Unit TS-820RC, TS-820
[TS-820RC Top]

[TS-820 Top]

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Содержание TS-820 Series

Страница 1: ...t The figure shows the TS 820RC Infrared delegate unit Infrared chairman unit Infrared transmitter receiver Thank you for purchasing TOA s Conference system Please carefully follow the instructions in...

Страница 2: ...ting the Infrared Transmitter Receiver Unit 25 7 6 Connections between the Infrared Transmitter Receiver Unit and the Central Unit 27 8 USING WIRED MICROPHONES AND SOUND SOURCE EQUIPMENT 31 8 1 Wired...

Страница 3: ...CONNECTION 54 18 1 Wiring Design 54 18 2 Design Examples 56 19 SPECIFICATIONS 62 19 1 Central Unit TS 820RC 62 19 2 Central Unit TS 820 63 19 3 Infrared Chairman Unit TS 821 Infrared Delegate Unit TS...

Страница 4: ...ies to fire explode leak or heat Be sure to use the BC 900 Battery charger when recharging the batteries Using other battery charger may cause them to fire explode leak or heat Use the batteries only...

Страница 5: ...of liquid or metallic objects on top of the unit If they accidentally spill into the unit this may cause a fire or electric shock Do not insert nor drop metallic objects or flammable materials inside...

Страница 6: ...it as this may cause it to fall or break which may result in personal injury and or property damage In addition the object itself may fall off and cause injury and or damage If dust accumulates on the...

Страница 7: ...feedback When Conference units are in use their monitor speakers are automatically turned off eliminating concerns about acoustic feedback Depending on installation requirements wired microphones musi...

Страница 8: ...er TS 905 or TS 907 Infrared Transmitter Receiver TS 905 or TS 907 Central unit TS 820RC 820 Microphone standard TS 923 or Microphone long TS 924 AC Adapter AD 0910 for TS 821 822 Lithium Ion Battery...

Страница 9: ...Internal of rubber cap 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 5 NOMENCLATURE AND FUNCTIONS 5 1 Central Unit TS 820RC TS 820 TS 820RC Top TS 820 Top 1 3 4 5 6 7 8 9...

Страница 10: ...operation panel connected to the External Control terminal 31 or 33 8 Number of open microphones setting switch MAX MIC UNIT 1 2 3 4 Used to set the number of Conference units that can be simultaneous...

Страница 11: ...o stop recording 20 Recording start button REC Press this button to start recording 21 Recording status indicator red REC Lights during recording and flashes while the internal memory is being formatt...

Страница 12: ...put to this terminal 36 Recording output terminal REC OUT 10 dB 10 k unbalanced monaural RCA jacks Connect an external recording unit An amplifier can also be connected for public address applications...

Страница 13: ...tion setting switch 15 When PTT mode is selected the microphone only turns on while the key is pressed during which time the Speech 3 and Microphone in use 8 indicators remain lit When ALT mode is sel...

Страница 14: ...setting switch Use to set the Priority speech key operation mode PTT Speech only possible while the Priority speech key is being pressed ALT Speech enabled when the Priority speech key is pressed and...

Страница 15: ...ith the TS 822 1 Infrared emitter detector The device used to transmit and receive infrared communication signals is built inside this panel Note Never place any object that could block infrared signa...

Страница 16: ...ace set to off whenever using the unit Note This number is factory preset to 000 13 Rating nameplate 4 Talk key When this key is pressed both the Microphone in use indicator 3 and the Speech indicator...

Страница 17: ...tput 15 Headphone jack Connect headphones to this jack mini jack Connecting the headphone cuts off the output from the monitor speaker Note A headphone jack is located on both the left and right side...

Страница 18: ...ed with the TS 820RC 820 GEQ Graphic equalizer Recording unit Speaker Amplifier Distributor YW 1024 Infrared transmitter receiver TS 905 907 Infrared unit connections Central unit TS 820RC 820 Infrare...

Страница 19: ...ity to infrared sources as instructed below Avoid direct sunlight Cover windows with curtains or blinds to shield the unit from direct exposure to sunlight Install the unit at lease 2 3 meters away fr...

Страница 20: ...always communicate with two or more Transmitter Receiver units If installed in such a way that communication is only established with one Transmitter Receiver unit the infrared signal may be blocked b...

Страница 21: ...21 7 2 2 Infrared conference unit 90 15 15 120 120 The figure shows the TS 821...

Страница 22: ...0 x 30 meters Arranging the units at intervals as illustrated permits the service area to cover every corner of the room Note Determine which to use TS 905 or TS 907 depending on the ceiling height Co...

Страница 23: ...ched for the N0 line The maximum cable length between each Infrared Transmitter Receiver unit and the Central unit differs depending on the type of coaxial cable to be used Refer to p 54 Take care not...

Страница 24: ...N must be identical in length when the Infrared transmitter receiver unit and the Central unit are installed in the same space Infrared transmitter receiver Distributor Central unit L1 L1 L1 L1 L0 L0...

Страница 25: ...Make a 68 mm diameter hole in the ceiling Step 2 Attach the supplied mounting plate to the ceiling panel Notes Since the distance between two mounting screw holes is 83 5 mm the plate can also be moun...

Страница 26: ...TS 905 CE version Step 1 Attach the supplied stand mounting frame to the microphone stand Applicable thread size is U 5 16 When the stand s thread size is NS 5 8 mount the supplied thread adapter ont...

Страница 27: ...d The indicator cannot be used for confirmation of the unit s minimum operating voltage When the indicator does not light it can be considered that the coaxial cable is not connected or shorted The Ce...

Страница 28: ...the cable end Step 5 Disassemble the BNC plug as shown in the figure at right and turn the screw on the plug so that it loosens partially but remains in position Step 6 Insert the coaxial cable into...

Страница 29: ...BNC plug as shown in the figure at right and turn the screw on the plug so that it loosens partially but remains in position Step 5 Insert the coaxial cable into the clamping fixture Step 6 Insert th...

Страница 30: ...p 2 Strip the jacket 15 mm from the end of the coaxial cable Step 3 Insert the coaxial cable into the open ring Step 4 Unravel the braided shield and turn it back then peel away the aluminum cladding...

Страница 31: ...nt Use Connect sound source equipment to the Central unit s AUX input and adjust its volume with the corresponding AUX input volume control Wired microphone Central unit TS 820RC 820 Top panel MIC inp...

Страница 32: ...ophone to the Conference unit 9 RECORDING EQUIPMENT CONNECTION Connect the recorder s recording input terminal to the Central unit s recording output terminal If the recorder has its recording level c...

Страница 33: ...nit Speaking into the microphone adjust the Central unit s Speech volume control to an appropriate level Step 5 Initiate speech from the microphones of all Conference units and confirm that acoustic f...

Страница 34: ...BP 900A 11 1 1 Inserting the lithium ion battery Note A fully charged battery can be continuously used for about 10 hours Push the release key to remove the battery Arrow Lithium ion battery BP 900A...

Страница 35: ...er s battery receptacles with the battery oriented to the proper direction Ensure that the Charging status indicator lights red If it does not light check to see if the battery is correctly inserted C...

Страница 36: ...AD 0910 AC Adapter AC adapter AD 0910 DC inlet Power cord supplied with the AD 0910 TS 821 822 Connect the AD 0910 AC adapter to the DC inlet located on the rear side panel of the Infrared conference...

Страница 37: ...tep 3 Mount the Central unit equipped with the mounting brackets in the rack Use the rack mounting screws and fiber washers supplied with the rack mounting bracket Fiber washer for M5 supplied with th...

Страница 38: ...from flashing to steady ON Step 2 Press the Installation status confirmation button for 1 second or more after confirming the indication The Central unit s Battery indicator turns off The Microphone i...

Страница 39: ...n Speech is initiated on a first come first served basis When the maximum number of speakers is reached subsequent speech requests cannot be accepted even if the Talk key is pressed Example when the n...

Страница 40: ...e number of open microphones is set to 2 14 3 Mic Off Function This function automatically turns off the microphone if the user neglects to turn it off following speech completion This function is ena...

Страница 41: ...the indicators do not light Step 2 Speak into the microphone Step 3 Press the Talk key again after speech completion The indicators go out and sound can be output from the monitor speaker Note When th...

Страница 42: ...resumes operation as predetermined by the setting of the Interrupted Priority operation setting switch located on the bottom side of the unit RESTORE Resumes the unit s mode prior to being interrupted...

Страница 43: ...tter unit to go through Last in first out priority Step 2 Speak into the microphone Step 3 Press the Priority speech key again after speech completion Both indicators go out and sound can be output fr...

Страница 44: ...port Failure to observe this instruction could lead to failure of the unit or damage to the PC or other devices Ensure that the USB memory device or PC connector is removed when moving the unit from...

Страница 45: ...und source Shown below are specifications and filename format for recorded sound source files Specifications Recording format MP3 monaural Sampling frequency 32 kHz Bit rate 128 kbps Maximum file size...

Страница 46: ...B memory device nor turn off the power switch as the USB memory could be damaged Tip If the USB memory device s remaining recordable time falls to less than one hour the Remaining USB memory capacity...

Страница 47: ...warning indicator will flash orange Step 3 Press the Recording Stop button to stop the recording The Recording status indicator is extinguished when recording operation is complete Important After the...

Страница 48: ...2 Open the recording folder Step 3 Select the desired sound source and move or copy it to the PC s hard drive Important When disconnecting the PC from the Central unit be sure to perform Safe Hardware...

Страница 49: ...leting formatting all internal memory sound source files All sound source files recorded to the internal memory can be simultaneously deleted by formatting the internal memory 2 2 1 1 Step 1 Confirm t...

Страница 50: ...ease the external microphone s volume to a level that feedback does not occur or use the external microphone away from the speaker It will occur when a feedback loop is formed in the process that soun...

Страница 51: ...within the range of 001 064 Refer to p 32 Infrared emitter detector exposed to direct sunlight or spotlight Reposition in a location not exposed to direct light Refer to p 19 Infrared transmitter rece...

Страница 52: ...ing capacity warning indicator lights and the USB memory status indicator extinguishes Insert a USB memory device that has sufficient remaining capacity then confirm that the USB memory status indicat...

Страница 53: ...TOA dealer Charging status indicator red does not light even if the lithium ion battery is inserted into its receptacle Lithium ion battery not correctly inserted into its receptacle Insert the lithiu...

Страница 54: ...ary for each calculation are as follows Values necessary for calculating the loss 1 2 branch distributor YW 1022 loss 4 5 dB 2 4 branch distributor YW 1024 loss 8 5 dB 3 Coaxial cable loss per 100 m t...

Страница 55: ...w loop resistance type 18 1 2 Computational equation Current 1 Voltage drop 1 Central unit Coaxial cable 1 Current 2 Voltage drop 2 Distributor Coaxial cable 2 Current 3 Voltage drop 3 Distributor Coa...

Страница 56: ...ble 2 Finding the maximum cable length using voltage drop Since one TS 905 Infrared transmitter receiver unit is connected per coaxial cable the current that flows through each coaxial cable is 0 1 A...

Страница 57: ...ated by the following equation Cable loss 3 3 dB x 50 m 100 m 1 65 dB Since the Distributor s internal loss is 8 5 dB the maximum allowable loss between the Central unit and the Distributor becomes 9...

Страница 58: ...r The current that flows between the two is 0 4 A When RG 6 U coaxial cable is used between the Central unit and the Distributor the cable length L1 between the two is L1 Voltage drop 1 Current 1 Coax...

Страница 59: ...red transmitter receiver unit is assumed to be 50 meters 18 2 3 Example 3 When installing each 4 TS 905 infrared transmitter receiver units using 4 coaxial cables reaching from the central unit four 4...

Страница 60: ...ed 4 branch distributors their loss is 17 dB 8 5 dB 8 5 dB which is added to the above cable loss causing a total loss of 18 92 dB 1 65 dB 0 27 dB 17 dB Therefore the maximum allowable cable loss betw...

Страница 61: ...rent that flows between the two is 1 6 A Assuming that RG 11 U coaxial cable is used L1 between the Central unit and the Distributor 1 is calculated by the following equation L1 Voltage drop 1 Current...

Страница 62: ...ternal control priority indicator External control communication indicator Battery indicator flashes when a Chairman Delegate unit s battery nears complete discharge Recording status indicator Format...

Страница 63: ...al BNC jack External Control Connection Terminal D sub connector 9P male USB B selectable LED Indicator Audio signal receiving indicators 1 4 CH Data signal receiving indicator External control priori...

Страница 64: ...udio channel 1 95 MHz Covering Range 7 m or 22 97 ft radius Input Microphone terminal XLR 4 31 type Output Monitor speaker 8 0 2 W Headphones 3 5 mm mini jack 3P monaural x 2 LED Indicator Speech indi...

Страница 65: ...ng Temperature 0 to 40 C 32 to 104 F Operating Humidity 90 RH or less no condensation Finish Dome PC resin visible light cut filter Base ABS resin black Dimensions 120 x 71 3 h mm 4 72 x 2 81 Weight 2...

Страница 66: ...o condensation Finish Case Steel black paint Battery receptacles PPO resin black Dimensions 240 w x 70 h x 115 d mm 9 45 x 2 76 x 4 53 Weight Unit 1 2 kg 2 65 lb AC adapter 520 g 1 15 lb Note The desi...

Страница 67: ...ribution terminals Input Output Impedance 75 Coaxial Connector Mixing terminal BNC jack power passing type 30 V DC or less 2 A or less Distribution 1 and 2 terminals BNC jack power passing type 30 V D...

Страница 68: ...for Europe Manufacturer TOA Corporation 7 2 1 Minatojima Nakamachi Chuo ku Kobe Hyogo Japan Authorized representative TOA Electronics Europe GmbH Suederstrasse 282 20537 Hamburg Germany URL https www...

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