MRK980 User Manual
ULTRA-WIDEBAND TRUE DIVERSITY DUAL RECEIVER
SN: ________________
rev.01 (ref. FW 1.2)
Date: 21 October 2019
Page 1: ...MRK980 User Manual ULTRA WIDEBAND TRUE DIVERSITY DUAL RECEIVER SN ________________ rev 01 ref FW 1 2 Date 21 October 2019...
Page 2: ...z VHF UHF DME more than one rack can be connected together through a simple ethernet cable to act as a multi channel receiver Moreover the DSP board allows the units to work with several digital audio...
Page 3: ...essories or replacement parts authorized or specified by the manufacturer Do not supply more than seven MRK980 from the mains output see power requirements for other apparatus Clean the apparatus only...
Page 4: ...filter 470 800 MHz High Q moving filter 960 1160 MHz DME or 806 810 MHz SAW filter for Japan Country specific SAW filters USA 940 960 MHz or Japan 1240 1260 MHz Wideband and Narrowband DSP FM operatio...
Page 5: ...rom another Below you can see the schematic with an overview of main receiver functions Starting from the antenna inputs each antenna can be independently powered from a single power regulator monitor...
Page 6: ...dio delay at about 0 37 milliseconds making it ideally suited to live events and to keep audio delay as short as possible The DSP unit also filters and demodulates the data carrier and communicates al...
Page 7: ...CONFIGURATION display menu and shortcut buttons C RECEIVER 2 CONFIGURATION display menu and shortcut buttons D MONITORING AREA monitoring audio output on headphone jack 6 3mm E RECEIVER POWER SWITCH t...
Page 8: ...own the device and check for short circuits or overloads on the RF cables or the boosters Booster supply for antenna A and antenna B are independent switchable from the RADIO OPTIONS menu MONITOR POWE...
Page 9: ...nnel and TV Channel 3 Tone Squelch Status ON OFF 4 Squelch Level 5 Noise Squelch Level 6 Transmitter Battery status 7 Compander currently in use Through the main menu on the LCD display and the LED ba...
Page 10: ...ts Use this to load or save presets to device These presets include all the config Settings You can also restore factory settings here Press and hold enter button to save setting Receiver IF Bandwidth...
Page 11: ...d noise squelch Noise Squelch This has off and levels 1 thru 4 available The recommended setting is 1 Noise squelch is a more powerful tool than RF squelch because it actually looks at the quality of...
Page 12: ...the band on the UHF and exclude DME and VHF The same if you tune the receiver one on 972 000MHz the AUTO function will filter only DME band while excluding UHF and VHF Keep in Mind that the AUTO setti...
Page 13: ...reless transmitter tuned to the frequency in use on that receiver While you do this the MRK980 will record the RF levels and gives you a clear image of the RF performance of your setup to make you sur...
Page 14: ...if there is a lot of noise on the channel LQ exp This is as LQ above but the scale has been expanded so the bars reach full scale for a lower signal to noise ratio This is useful where the system has...
Page 15: ...UICK MENU The CHANNEL GROUP menu enables the user to edit channel channel group and frequency of the selected receiver To change group 00 to 39 channel 00 to 59 or frequency scroll the rotary knob unt...
Page 16: ...groups of 60 channels each which means 2400 preloaded frequencies more than any other wireless microphones system By connecting through the PC with the Wisycom Manager it is possible to hide unhide si...
Page 17: ...t all the wireless microphones have this enhanced functionality Tone Squelch This function is an advanced option whose behavior depends on the selected noise reduction system This chapter explains Ton...
Page 18: ...lch function Tone Squelch OFF enables the audio output on LINE and AUX connectors even when no pilot tone is received from the TX it will be muted only by the Noise and or the RF level squelch if sign...
Page 19: ...PTT RX2 GP Out 2 OFF RF Squelch RX1 RF Squelch RX2 Noise Squelch RX 1 Noise Squelch RX 2 PTT RX1 PTT RX2 Ext Audio Monitor Enabled Disabled Info Serial Model Temperatures Exp Board supply diagnosis HW...
Page 20: ...io Settings Main Selector LINE MIC Main Audio Gain 24dB 24dB Main Out Level 0dBu 24dBu TRS Out Level 10dBu 14dBu AES3 EBU Gain 24dB 24dB AUX Selector LINE MIC AUX Audio Gain 24db 24dB Aux Out Level 0d...
Page 21: ...MRK980 User Manual rev 01 20 Via Spin 156 I 36060 Romano d Ezzelino Italy Tel 39 0424 382605 Fax 39 0424 382733 www wisycom com e mail sales wisycom com...
