Sennheiser GuidePort, System Manual

Page 1: ...GuidePort EMP System Manual Version 1 0 of 27 July 2000 Sennheiser electronic GmbH Co KG Am Labor 1 30900 Wedemark Germany ...

Page 2: ...ectly via headphones The various audio programs events can be triggered automatically by magnetic field identifiers The diagram on the next page shows GuidePort s system hierarchy At the top level are the GuidePort installations Each installation carries a specific code transmitted via RF Whenever a GuidePort receiver recognizes a new installation code it will automatically collect the installatio...

Page 3: ...1 cell 2 cell 3 cell 4 cell 255 cell 5 GuidePort Cell with one or more Cell Transmitters Event 1 Event 2 Event 3 Event 5 Event 4 Event 6 Event N One installation can handle up to 255 events which may be organized in up to 255 cells GuidePort System Hierarchy One cell transmitter can handle up to 4 mono audio channels and transmit them on one RF channel ...

Page 4: ...Source 1 4 PC Network Base Station PC with Cell Transmitter Loader Software USB Hub USB USB Hub Audio Source 1 4 Active Antenna Unit RF CH 1 Cell Transmitter Active Antenna Unit RF CH 4 Cell Transmitter Event 3 Event 4 Event 5 Event 6 GP Receiver Ext Antenna opt Event 2 Event 1 Exhibition room 1 Exhibition room 2 Exhibition room 3 Exhibition room 7 Technical room 1 LVDS LVDS USB Exhibition room 5 ...

Page 5: ...onfiguration files created by the Central Unit Software to the Cell Transmitters 2 3 Cell Transmitter 2 3 1 Description A Cell Transmitter is a digital unit which picks up prepared MTS data and combines them with installation specific control tables and the real time audio information from its four analog audio inputs Via an LVDS interface the entire data stream is sent to an Active Antenna Unit w...

Page 6: ... 4 Connect the left audio channel to socket No 1 or 3 the right audio channel to No 2 or 4 respectively The following table shows how to connect your audio sources to the GuidePort Cell Transmitter Number and kind of audio sources Input No 1 Input No 2 Input No 3 Input No 4 4 mono m m m m m 2 mono m 1 stereo s m m s left s right 2 stereo s s left s right s left s right AAU OUT Output for connectio...

Page 7: ...N xx SET SET SET 1 95 NC ON OFF NC 01 02 OFF 00 06 TX OK CCU ID xxx SET SET RTA VOL VOL xx SET Max 32 Default 16 Min 1 SET RTA CH ON OFF SET SET SET CH 01 xx CH 02 xx CH 04 xx SET N B If there is no input for about 90 secs the display will show TX OK SET SET RTA ID SET CH 01 event name event ID CH 02 event name event ID CH 12 event name event ID SET e g CH 01 Jimi Hendrix 005 N B Text will be scro...

Page 8: ...ut Audio sources 4 mono 2 stereo 1 stereo 2 mono AF IN 1 2 3 4 AF IN 1 2 1 left 2 right 3 4 3 left 4 right AF IN 1 2 or 3 4 stereo remaining inputs for mono sources USB IN AAU OUT DC output 15 V Imax 200 mA Data rate 1 024 Mbit s Output level 350 mVpp LVDS standard Headphone Output Output level mVpp AF input level 350mVrms Output impedance 32 Ω ...

Page 9: ...e transmitted When the associated Cell Transmitter is switched on it will automatically configure the Antenna Unit MTS OUT For connecting daisy chaining a second Active Antenna Unit The second Antenna Unit will transmit the same data stream but on another RF carrier This feature is not available in this customized version instead you can connect measuring equipment to MTS OUT RF OUT For connecting...

Page 10: ...4 2464 992 9 2408 832 42 2437 344 75 2465 856 10 2409 696 43 2438 208 76 2466 720 11 2410 560 44 2439 072 77 2467 584 12 2411 424 45 2439 936 78 2468 448 13 2412 288 46 2440 800 79 2469 312 14 2413 152 47 2441 664 80 2470 176 15 2414 016 48 2442 528 81 2471 040 16 2414 880 49 2443 392 82 2471 904 17 2415 744 50 2444 256 83 2472 768 18 2416 608 51 2445 120 84 2473 632 19 2417 472 52 2445 984 85 247...

Page 11: ...ternal chip antenna mounted on board external directional wall mounted antenna opt RF channel bandwidth f 2 6 MHz Total number of RF channels 94 Transmission range of cell transmitter for quasi error free reception no walls s s 30 50 m m 1 mW RF peak power 10 mW RF peak power Spurious frequencies outside the ISM band in compliance with ETS FCC Modulation type 2 FSK binary frequency shift keying Mo...

Page 12: ...he GuidePort Receiver uses a prestored assignment table for translating the numbers into the correct action 2 3 2 Mollie Interface The physical interface consists of Function No of lines Direction Analog Analog audio signals L R 2 from GP receiver to Mollie 3 3 V power line digital 1 from Mollie to GP receiver 5 V power line analog 1 from Mollie to GP receiver Analog ground 1 or more Digital Paral...

Page 13: ...rom GP receiver 6 digital ground for digital interface 7 data bus bit 0 LSB 8 data bus bit 1 9 data bus bit 2 10 data bus bit 3 11 data bus bit 4 12 data bus bit 5 13 data bus bit 6 14 data bus bit 7 MSB 15 Read Write 16 Frame Clock 17 Interrupt_2 18 Reset 19 Interrupt_1 20 digital ground for digital interface 21 3 3 volts digital power from Mollie 22 digital ground from Mollie 23 analog ground fr...

Page 14: ...oming from the GuidePort receiver indicates that the receiver has synchronized with the received bit stream and that real time audio is available Frame Clock low no synchronization no audio Frame Clock high frame synchronization has taken place audio is available Interrupt_2 This is an impulse from the GuidePort receiver indicating Mollie that certain conditions have been fulfilled These condition...

Page 15: ...subject 1 Case Power is switched on When the 3 3 V power line becomes high the IC Max811 generates a 280 ms reset impulse 2 Case Reset from Mollie during power on receiver ready power 285ms 40ms DSP reset IRQA Reset IC Max 811 Reset for DSP56303 Master Reset GP Mollie Reset line from Mollie IRQA of DSP Interrupt_1 3 3 VDC for digital circuit 10k Vcc reset from Mollie IRQA DSP reset Tmr 5 to 10us 2...

Page 16: ...nna input P 93 dBm BER 10 3 RF antenna connector MMS female Input impedance 50 Ω Power supply Analog Voltage U 5 V 10 tolerance Max current I 110 mA Digital U 3 3 V 10 tolerance Max current I 120 mA AF output Headphones RL 32 Ω Max AF output level UOUT Vrms fin 1 kHz Uin 350 mVrms at Cell Transmitter RL 32 Ω Frequency response f 40 14 000 Hz ...

Page 17: ...n will be possible for at least 12 hrs Low battery warning If the green LED does not flash after switching the identifiers on the batteries are flat Please replace Data storage time without batteries 3 min for replacing the batteries Automatic off function Time Management will switch the transmission off automatically while the data storage remains on data integrity The red LED will light up brief...

Page 18: ...3 months Pout 100 Ton 8h day Tperiod 1s Programmable parameters ID code RF output power on off times int ext antenna burst rate Setting of ID parameters via infrared data interface IrDa with palmtop Indoor operating temperature 10 50 C N B When the identifier is powered by an external DC supply the battery supply will be automatically cut off We would recommend to use both external DC and batterie...

Page 19: ...t installation with its cells transmitters events and identifiers 3 2 Cell Transmitter Loader Software The Cell Transmitter Loader Software runs on the Base Stations Via a USB the software detects the IDs of all Cell Transmitters connected to a Base Station The Base Station PCs transmit the configuration files previously created by the Central Unit Software to the Cell Transmitters ...