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7. Recommendation

(1) In order to achieve the optimum reception condition and also extend the operating distance, 

please leave a “open space” between the receiver and transmitter.

(2) Keep the devices away from the metal objects or any interference sources, at least 50 cm.

(3) To avoid the feed-back effect, don’t leave the mic. to aim at the speakers directly.

(4) For best pick-up pattern, please hold the middle of the mic. body.

(5) Remove batteries from the battery compartment when the transmitter will not be used for a 

long time.

(6)When you need to replace the batteries, please replace both batteries at the same time with 

new ones. 

8. Important Notice

(1) JTS offers wireless systems in a selection of bands that conform to the different government 

regulations of specific nations or geographic regions. These regulations help limit radio 

         frequency (RF) interference among different wireless devices and prevent interference with 

local public communications channels, such as television and emergency broadcasts.

(2) For information on bands available in your area, consult your local dealer or phone JTS. 

        More information is also available at JTS’s website (www.jts.com.tw).

(3) This Radio apparatus may be capable of operating on some frequencies not authorized in

         your region. Please contact your national authority to obtain information on authorized 

frequencies and RF power levels for wireless microphone products.

Summary of Contents for US-902D

Page 1: ...AL CO LTD No 148 9th Industry Road Ta Li Industrial Park Taichung City Taiwan R O C Tel 886 4 24938803 Fax 886 4 24914890 E mail jts jts com tw www jts com tw US 902D Mh 920 Mh 930 Mh 850 Mh 750 Mh 8800i PT 920B mi PT 850B mi ...

Page 2: ...InstructionManual DUAL CHANNEL PLL DIVERSITY WIRELESS SYSTEM US 902D ...

Page 3: ...Thank you for choosing the JTS wireless system In order to obtain the best efficiency from the system you are recommended to take few minutes to read this instruction manual carefully ...

Page 4: ... Accessories 4 1 Receiver 4 2 Handheld Transmitter 4 3 Body pack Transmitter 4 4 Optional Condenser Microphone 4 5 Accessories 5 Preparing Procedures Basic Operation 5 1 Receiver 5 2 Handheld Transmitter 5 3 Body pack Transmitter 5 4 Installation of Condenser Microphones 6 System Operation 7 Recommendation 8 Important Notice 1 1 2 2 2 3 4 4 7 7 8 10 10 14 15 15 18 21 22 24 26 26 INDEX ...

Page 5: ...nterference than the VHF band PLL synthesized technology is deployed The diversity reception ensures the stable transmission and reception Adjustable squelch control can effectively reduce the noise Tuned antennas can benefit the stable RF reception Built in Tone key Squelch Noise Mute detection are available to restrain the interference signal Rugged metal housing can pass through the difficult e...

Page 6: ...ion Carrier Frequency Range S N Ratio T H D Display Display Contents Controls Audio Output Level AF Output Impedance Squelch Operation Voltage Output Connector Dimension m m US 902D PLL Synthesized Control 502 960 MHz 105dB 0 6 1KHz LCD Channel Antenna A B RF AF Level Meter Power On Off Channel Up Down Squelch Level Audio Level 12dB 600Ω Pilot Tone Noise and Mute 12 18 VDC 300mA 2 Balanced XLR Soc...

Page 7: ...50 16 000 Hz UM3 AA 1 5V 2 Mh 850 Mh 750 PLL Synthesized Control 502 960 MHz 10mW 10KHz 48KHz Low Battery Power On Off Power On Off Channel Selecting 50 dBC 50 16 000 Hz UM3 AA 1 5V 2 Model No Frequency Preparation Carrier Frequency Range RF Outputs Stability Frequency Deviation LCD Display Controls Spurious Emissions Audio Frequency Response Battery Mh 8800 i PLL Synthesized Control 502 960 MHz 1...

Page 8: ... PT 850B PT 850Bmi PLL Synthesized Control 502 960 MHz 10mW 10KHz 48KHz Power On Off Low battery Power On Off AF Level Channel Selecting 50 dBC 40 18 000 Hz UM3 AA 1 5V 2 Model No Connector Frequency Response Polar Pattern Sensitivity at 1000Hz Impedance Max SPL for 1 THD Dimension mm Net Weight CM 501 4P Mini XLR 100 15 000 Hz Cardioid 60 3 dB 2 2kΩ 130dB Ø10 1mm W 26 4mm H 21 5g CM 201i 4P Mini ...

Page 9: ...80Ω 130dB 285mm W 55mm H 111 3mm D 56 3g Model No Connector Option Connector Frequency Response Polar Pattern Sensitivity at 1000Hz Impedance Max SPL for 1 THD Dimension mm Net Weight CM 214i 801C4 4P Mini XLR 801C3 3P Mini XLR 801CS 3 5 stereo plug 801CR 60 15 000 Hz Omni directional 60 3 dB 1 8kΩ 130dB 125mm W 134mm H 157mm D 32 9g CM 214Ui 4P Mini XLR 30 18 000 Hz Cardioid 68 3 dB 680Ω 130dB 20...

Page 10: ...ctor Frequency Response Polar Pattern Sensitivity at 1000Hz Impedance Max SPL for 1 THD Good For Model No Connector Frequency Response Polar Pattern Sensitivity at 1000Hz Impedance Max SPL for 1 THD Good For CX 500 4P Mini XLR 20 20 000 Hz Omni directional 58 3dB 1 5kΩ 130 dB Violin CX 508W 4P Mini XLR 50 18 000 Hz Cardioid 67 3 dB 220Ω 130 dB Winds CX 500F 4P Mini XLR 20 20 000 Hz Omni directiona...

Page 11: ...ation Accessories 4 1 Dual Channel PLL Diversity Receiver US 902D Power Switch Channel Selector Up Down LCD panel Volume control Antenna Squelch level adjustor DCV Input 12 18V DC 300mA Unbalanced Ø6 3mm jack socket Balanced XLR socket 1 4 7 2 5 8 3 6 9 1 4 4 7 5 8 3 6 9 2 ...

Page 12: ... Off switch Mh 750 Mh 850 1 3 5 2 4 6 Mh 750 Mh 850 1 1 5 5 4 4 2 2 6 6 3 3 Interchangeable dynamic capsule LCD display Down button UP button Set button Battery tray Battery tray button Power On Off switch 4 2 Handheld Transmitter Mh 920 Mh 930 3 5 7 2 4 6 8 Mh 920 Mh 930 1 7 7 1 3 6 6 2 2 5 4 8 5 3 4 8 1 ...

Page 13: ...ROPHONE SYSTEM 9 Mh 8800i Interchangeable dynamic capsule LCD display Down button UP button Set button Battery tray Power On Off switch Mute On Off switch 1 3 5 7 2 4 6 8 7 8 3 5 2 4 Mh 8800i Mh 8800i Mh 8800i 1 6 ...

Page 14: ...Set button Up button Down button Channel selector AF level control Gain adjust Battery tray Battery tray cover Carry case Belt loop 4 3 Body pack Transmitter PT 920B mi PT 850B mi 1 3 5 10 7 12 14 13 15 2 4 9 6 11 8 4 4 Optional Condenser Microphone Lavaliere Microphone CM 501 CM 201i CM 125i CM 501 CM 201i CM 125i 3 3 3 2 1 1 1 12 14 11 13 10 10 1 1 3 3 6 8 2 2 4 5 9 7 15 ...

Page 15: ...able headband Headband 4 Pin Mini XLR Windscreen 1 3 4 5 2 Headset Microphone CM 214i CM 214Ui CM 214ULi CM 235i CX 504 CM 214i CM 214Ui CM 235i CX 504 2 2 2 2 3 5 5 5 5 5 1 1 1 1 1 4 CM 214ULi Standard 4 Pin Mini XLR 3 Pin Mini XLR 3 5 Stereo Plug ...

Page 16: ...table Headband Adjustable ear hook Detchable Cable Cable Clip Windscreen 4 Pin Mini XLR 3 Pin Mini XLR 3 5 Stereo Plug 4Pin Hirose connecter 6 8 8 7 9 10 9 3 5 7 4 1 2 CM 825i 5 6 1 3 4 2 Option Option Option CM 801 5 6 1 3 4 CM 804i 5 6 1 3 4 2 CM 8015 5 6 1 2 4 10 ...

Page 17: ...E SYSTEM 13 Compatible Instrument Microphone CX 500 CX 500F CX 520 CX 508W CX 516W 6 Gooseneck Clip Bracket Volume Control Windscreen 4 Pin Mini XLR 4 5 6 3 2 5 5 1 CX 508W CX 520 CX 500F CX 500 CX 516W 2 1 1 5 5 1 3 2 4 ...

Page 18: ... Supply 100V 240V 50 60Hz Linear Power Supply 220V 50Hz Linear Power Supply 220V 60Hz Screwdriver RM 12 Rack mount kit AF output cable with Ø6 3 plug at both ends GC 80 GC 100 Guitar Cable GC 80L GC 100L Guitar Cable Option Option Option A B C A B C 4 6 3 5 2 1 ...

Page 19: ...p 1 It is equipped with balanced XLR output and unbalanced Φ6 3mm output choose the proper way for use 2 Power output connector Plug in one end of AC DC adaptor cable to DC input socket in the rear panel of receiver and plug another end into an AC outlet Step 2 3 Turn the receiver on by pressing the Power button on the front panel 4 Adjust the volume control to a proper level MIXER AC DC ADAPTOR A...

Page 20: ...tatus of transmitter Mute status of RX1 Mute status of RX2 Setting lock on mod 6 Basic Operation US 902D 1 Selecting channel Press the Up or Down button till the RX1 starts flashing and again press the Up Down button to select a suitable channel from the pre set 16 channels Later the RX1 stop flashing the receiver will store the channel automatically meanwhile presenting the channel number Repeat ...

Page 21: ...he Lock On mode is done To release the Lock On mode hold both Up and Down bottons for 2 secs 3 Adjusting Squelch level With the Squelch level control in the rear panel you can adjust the squelch at a suitable level The higer the SQ level the shorter the operation will be Mixed RX2 RX2 RX1 RX1 300 Squelch level ...

Page 22: ... both battery tray buttons to release it Figure 2 3 Insert 2 pieces of UM 3 1 5 V batteries remember to match correct polarity Step 1 of Figure 3 4 Directly push the battery tray back Step 2 of Figure 3 5 Aim the connectors exactly for screwing on the microphone head clockwise Figure 4 6 The on off switch is located on the bottom of the microphone 5 2 Handheld Transmitter Figure 1 Figure 2 2 1 Fig...

Page 23: ...the SET button twice to select sensitivity Lasting for 3 seconds at the first press then 1 second for the second press and the display appears SenSit 2 Use UP or DOWN buttons to adjust changes 3 Finally press SET button again to store your changes 4 UP button to sctivate Lock mode Hold on to UP button for 3 seconds to activate Lock mode press again to unlock Prevent accidental programming or switc...

Page 24: ... Make sure the channel of receiver matches that of the transmitter POWER Low Batt CH 1 LCD Operation Down button Up button Set button Channel Battery indictor 2 Mh 8800i Hold Set Button till the SETUP shows then the channel number will start flashing Press Up or Down to select a desired channel from the pre set 16 channels Press Set Button to store the channel 1 3 2 4 5 Mh 8800i 1 3 2 4 5 ...

Page 25: ... selecting PT 920B mi Hold Set Button till the channel number start flashing Press Up or Down to select a desired channel from the pre set 16 channels PT 850B mi Use the supplied screwdriver to select a desired channel for the receiver and transmitters Both receiver and transmitters are preprogrammed with 16 channels 4 Sensitivity adjusting There is a gain control adjustor in the up left of its ba...

Page 26: ...y pack transmitter 2 Headset microphone Put the headband behind your head and fix the temples on your ears as shows then adjust the gooseneck to have best miking Plug the connector into input socket on the body pack transmitter 3 Instrument Microphones The system is compatible with JTS various instrument microphones For detail please refer to user s manuals of these microphones SET MIC IN SET ...

Page 27: ...ear hook by twisting the loop or expanding it Curve and bend the boom to fit your face Attach the detachable cable to a suitable place by a cable clip 2 Lightweight Single Ear Hook Microphone Try on whether the original curve is tight or loose Re try and push the fixed curve against your earlobe Curve and Bend the boom to fit your face Attach the detachable cable to a suitable place by a cable cli...

Page 28: ...upplied screwdriver to select a desired channel for handheld transmitter or body pack transmitter Both receiver and transmitter are preprogrammed with 16 channels 2 Press the Up Down button to select the channel for the receiver handheld treans mitter or body pack transmitter Both receiver and transmitter are preprogrammed with 16 channels 3 Then with the Up Down button to select the channel of re...

Page 29: ...llows the PT 920B Bmi PT 850B Bmi to be attached on performer s belt place the antenna towards the back of his body The Velcro tag ensures tight fixing and less hindrance during performance Wind the Velcro tag around the belt and fix it 3 Wearing the Body pack transmitter The carry case allows body pack transmitter to be attached on performer s belt place the antenna towards the back of his body T...

Page 30: ...e same time with new ones 8 Important Notice 1 JTS offers wireless systems in a selection of bands that conform to the different government regulations of specific nations or geographic regions These regulations help limit radio frequency RF interference among different wireless devices and prevent interference with local public communications channels such as television and emergency broadcasts 2...

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