Media Engineering ME-TUN, User Manual

Page 1: ...ing com web www mediaengineering com www me tun com www fm spy com MEDIA ENGINEERING Markus Stocker Professional Broadcasting Systems Rainstr 15 CH 8104 WEININGEN ZH Switzerland Phone 41 1 750 66 88 F...

Page 2: ...akes no representations or warranties whatsoever with respect to the content of this document and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose...

Page 3: ...consisting of one 19 1RU rack mountable device in its original metal housing conforms to the following standards Standards used EN 55022 1998 A1 2000 EN 55024 1998 A1 2001 FCC PART 15 Test center EMC...

Page 4: ...ATIONS 12 B 1 1 STARTUP SEQUENCE 12 B 1 2 LIT UP KEYS 12 B 1 3 THE INITIAL STATE 13 B 1 4 TUNING IN TO A SPECIFIC FREQUENCY 14 B 1 5 SAVING A PRESET 15 B 1 6 LOADING A PRESET 16 B 1 7 SETTING THE INFO...

Page 5: ...harged with the help of a suitable resistor When the equipment is open components that carry havy electrical loads such as power transistors and resistors as well as solenoid coils should not be touch...

Page 6: ...he contrast of the LCD display A 1 3 CAUTION WITH THE MAINS CABLE Always seize the mains cable at the plug Do not pull on the cable and never touch the mains cable with wet hands since this can cause...

Page 7: ...loosen the two black M4 screws on the left and right side of the ME TUN with the help of an appropriate 2 5mm PHILIPS screw driver b put the two screws beside for they will be used again at the end c...

Page 8: ...Y CONDITIONS in chapter A 1 on page 5 2 disconnect all cables from the ME TUN Make shure there is no power line connected anymore and the power switch is off 3 loosen the three black M3 screws on the...

Page 9: ...te and select the propre jumper setting fs J1 J0 96 kHz 0 0 48kHz 0 1 44 1 kHz 1 0 32kHz 1 1 J1 J0 The table indicates the jumper settings as follows 0 indicates that no jumper has to be set 1 indicat...

Page 10: ...rection in order to allow the bended shielding at the back grabing the U shaped rear side 17 put in place the three black M3 screws in order to hold down the cover Make shure the propre screws are use...

Page 11: ...r cord This decoupling prevents that the potential of the antenna cable which is very seldom earth is short circuited with the earth supplied by the power supply for this were leading to compensation...

Page 12: ...r to section B 1 3 INITIAL STATE on page 13 B 1 2 LIT UP KEYS ME TUN has quite a large number of keys but is nevertheless operated very simply Only the lit up keys react on user input No matter in wha...

Page 13: ...plus the letters A or B in order to indicate the actual antenna input in use The lower half of the LCD display is showing one out of three possible information lines described in B 1 7 SETTING THE IN...

Page 14: ...digit of the desired frequency In case of inputting 103 250MHz this would be a 1 and the screen and keypad looks like this screen 3 1 2 3 LOAD DISP 4 PGM 5 25kc 6 LOCK 0 SCAN 7 PGM 8 25kc 9 ANTA B SA...

Page 15: ...25kc 9 ANTA B SAVE MENU keypad 3 INITIAL STATE whereupon screen 4 will appear on the LCD display and the ME TUN will ask for a preset number in order to know where to save the preset Preset numbers b...

Page 16: ...eypad 4 points to the LOAD key plus a 2 digit preset number to load between 00 and 39 has to be keyed in 1 2 3 LOAD DISP 4 PGM 5 25kc 6 LOCK 0 SCAN 7 PGM 8 25kc 9 ANTA B SAVE MENU keypad 4 INITIAL STA...

Page 17: ...n in dB V the reference level is 1 V what equals 0dB V e g 46dB V 200 V 3 RDS data of the PSNS code program service name segment If the actually tuned in station is not broadcasting any RDS informatio...

Page 18: ...ume shortly pressing onto one of the buttons is increasing rsp decreasing the headphones volume by 1dB When the volume ends up to be BELOW the default value the lower button DOWN is illuminated and wh...

Page 19: ...SCAN 7 PGM 8 25kc 9 ANTA B SAVE MENU keypad 6 INITIAL STATE A double press of the SAVE MENU button is switching to the MENU functions and the LCD display of the ME TUN will look like screen 6 screen 6...

Page 20: ...and PGM keys for in crementing rsp de crementing the preset number out of the MENU state refer to section B 2 1 MENU FUNCTIONS on page 19 1 2 3 LOAD DISP 4 PGM 5 25kc 6 LOCK 0 SCAN 7 PGM 8 25kc 9 ANTA...

Page 21: ...he FM receivers tuning frequency in 25kHz steps up or down 1 2 3 LOAD DISP 4 PGM 5 25kc 6 LOCK 0 SCAN 7 PGM 8 25kc 9 ANTA B SAVE MENU keypad 10 MENU When pressing one of these buttons continuously the...

Page 22: ...B SAVE MENU keypad 11 The entire sequence to lock the ME TUN is MENU MENU LOCK As soon as the LOCK button is activated the following screen and keypad lightmap will appear screen 7 1 2 3 LOAD DISP 4 P...

Page 23: ...first channel ME TUN finds will be saved to program number 39 the second one to program number 38 and so on As the user of ME TUN will normally have his favourite channels stored in the first few pre...

Page 24: ...d is set to 50dB V the center key 5 on the keypad will light up briefly and the preset number on the LCD display will be decremented by 1 After reaching the bottom end of the FM band 87 500MHz ME TUN...

Page 25: ...g on the previous selection of the antenna input Note ME TUN is featuring two antenna inputs for there are situations in which it s necessary to monitor not only radio stations that can be received wi...

Page 26: ...0067 6 Opto1 Emitter RDS loss alarm 7 Opto2 Emitter STEREO loss alarm 8 Opto3 Emitter CARRIER loss alarm 9 Opto4 Emitter TA flag 10 Opto5 Emitter TP flag 11 for future use 12 for future use 13 Gnd Cha...

Page 27: ...c diagram represents the internal ciruitry of the ME TUN in regard of the AUXILIARY INTERFACE Also two application examples are shown the implementation of relais coupled switching outputs with the us...

Page 28: ...9 LOAD 1 9 SEQUENCING THE INFO MODE DISP DISP STEPPING UP THROUGH PRESETS MENU MENU PGM PGM STEPPING DOWN TROUGH PRESETS MENU MENU PGM PGM FINE TUNING IN 25kHz STEPS UPWARDS MENU MENU 25kc 25kc FINE T...

Page 29: ...oss threshold RF signal strength 25dB V number of presets 40 ALARM OUTPUTS connector type D Sub 25 pin female chassis receptacle alarm outputs 5 photocouplers specification photocouplers UCEmax 40V IC...