JTS US-902D Instruction Manual
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JTS US-902D Instruction Manual

Dual channel pll diversity wireless system
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US-902D / Mh-920 / Mh-930 / Mh-850 / Mh-750 / Mh-8800i
PT-920B(mi) / PT-850B(mi)
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
59506-038-08
www.jts.com.tw
PROFESSIONAL CO., LTD.

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  • Page 1 US-902D / Mh-920 / Mh-930 / Mh-850 / Mh-750 / Mh-8800i PT-920B(mi) / PT-850B(mi) PROFESSIONAL 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 59506-038-08 www.jts.com.tw...
  • Page 2 Instruction Manual US-902D DUAL CHANNEL PLL DIVERSITY WIRELESS SYSTEM...
  • 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 INDEX 1. Important Caution 2. Features 3. Specification 3-1 Overall System 3-2 Receiver 3-3 Handheld Transmitter 3-4 Body-pack Transmitter 3-5 Optional Condenser Microphone 4. Part Identification & Accessories 4-1 Receiver 4-2 Handheld Transmitter 4-3 Body-pack Transmitter 4-4 Optional Condenser Microphone 4-5 Accessories 5.

  • Page 5: Important Caution

    1. Important Caution • Always makes all connections before plugging the unit into an AC power outlet. • Do not leave the device in a place neither with high temperature nor high humidity. • Always do not handle the power cord with wet hands! •...

  • Page 6: Specification

    PLL Synthesized Control OSC Channels........... 16 Channels Audio Frequency Response 50~18,000Hz Band-width........24 MHz Operation Range......100M 3-2 Receiver Receiver Model...... US-902D Frequency Preparation..PLL Synthesized Control Carrier Frequency Range 502~960 MHz S/N Ratio........> 105dB T.H.D..........<0.6%@1KHz Display..........Display Contents....

  • Page 7: Handheld Transmitter

    3-3 Handheld Transmitter Model No........Mh-920 / Mh-930 Mh-850 / Mh-750 Frequency Preparation.... PLL Synthesized Control PLL Synthesized Control Carrier Frequency Range..502~960 MHz 502~960 MHz RF Outputs........10mW 10mW Stability..........±10KHz ±10KHz Frequency Deviation....±48KHz ±48KHz LCD / LED Display....Channel Low Battery, Power On/Off Controls..........

  • Page 8: Body-Pack Transmitter

    3-4 Body-pack Transmitter Model No........PT-920 / PT-920Bmi PT-850B / PT-850Bmi Frequency Preparation... PLL Synthesized Control PLL Synthesized Control Carrier Frequency Range..502~960 MHz 502~960 MHz RF Outputs........10mW 10mW Stability..........±10KHz ±10KHz Frequency Deviation....±48KHz ±48KHz LCD / LED Display....Channel, Battery Fuel Gauge Power On/Off, Low battery Controls..........
  • Page 9 Headset Microphone // CM-214i CM-214Ui CM-214ULi CM-235i CX-504 Model No....... CM-214i CM-214Ui CM-214ULi Connector....... 801C4 4P Mini XLR 801C3 (3P Mini XLR) (4P Mini XLR) 801C4 (4P Mini XLR) 801CS (3.5 stereo plug) Option Connector... 801C3 (3P Mini XLR) 801CR 801CS (3.5 stereo plug) 801CR Frequency Response..
  • Page 10 Ear-hook Microphone // CM-801 CM-804i CM-8015 CM-825i Model No....... CM-801/CM-804i CM-8015/CM-825i Connector......801C4 (4P Mini XLR) 801C4 (4P Mini XLR) Option Connector... 801C3 (3P Mini XLR) 801C3 (3P Mini XLR) 801CS (3.5 stereo plug) 801CS (3.5 stereo plug) 801CR 801CR Frequency Response..

  • Page 11: Parts Identification & Accessories

    4. Parts Identification & 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 Mixed WIRELESS MICROPHONE SYSTEM...
  • Page 12 4-2 Handheld Transmitter // Mh-920 / Mh-930 Interchangeable dynamic capsule LCD display Down button UP button Set button Battery tray Battery tray button Power On/Off switch Mh-920 Mh-930 Mh-750 / Mh-850 Interchangeable dynamic capsule LED display Channel selector Battery tray Battery tray button Power On/Off switch Mh-750...
  • Page 13 Mh-8800i Interchangeable dynamic capsule LCD display Down button UP button Set button Battery tray Power On/Off switch Mh-8800i Mute On/Off switch Mh-8800i Mh-8800i WIRELESS MICROPHONE SYSTEM...
  • Page 14 4-3 Body-pack Transmitter // PT-920B(mi) / PT-850B(mi) Mic. input Power On/off switch Antenna LCD display LED display Set button Up button Down button Channel selector AF level control PT-920B PT-850B PT-920Bmi PT-850Bmi Gain adjust Battery tray Battery tray cover Carry case Belt-loop PT-920B PT-920Bmi...
  • Page 15 Headset Microphone // CM-214i / CM-214Ui / CM-214ULi / CM-235i / CX-504 Gooseneck Adjustable headband Headband 4 Pin Mini XLR Windscreen CM-214ULi CM-214i CM-214Ui Standard : 4 Pin Mini XLR 3 Pin Mini XLR 3.5 Stereo Plug CM-235i CX-504 WIRELESS MICROPHONE SYSTEM...
  • Page 16 Ear-hook Microphone // CM-801 CM-804i CM-8015 CM-825i Boom Adjustable Headband Adjustable ear hook Detchable Cable Cable Clip CM-801 Windscreen 4 Pin Mini XLR Option 3 Pin Mini XLR 3.5 Stereo Plug Option 4Pin Hirose connecter Option CM-804i CM-8015 CM-825i...
  • Page 17 Compatible Instrument Microphone // CX-500 CX-500F CX-520 / CX-508W CX-516W Gooseneck Clip Bracket Volume Control Windscreen 4 Pin Mini XLR CX-500 CX-500F CX-520 CX-508W CX-516W WIRELESS MICROPHONE SYSTEM...
  • Page 18 4-5 Accessories AC/DC adaptor Switching Power Supply(100V~240V , 50~60Hz) Linear Power Supply (220V , 50Hz) Linear Power Supply (220V , 60Hz) Screwdriver RM-12 Rack mount kit Option AF output cable (with Ø6.3 plug at both ends) GC-80/GC-100 Guitar Cable Option GC-80L/GC-100L Guitar Cable Option...

  • Page 19: Preparing Procedures & Basic Operation

    5. Preparing Procedures & Basic Operation 5-1 Receiver (1) Audio Output Connector Connect one end of the AF output cable to the AF output socket in the rear panel, then plug another end to the “MIC IN” input socket of a mixer or amplifier. (Step 1) It is equipped with balanced XLR output and unbalanced Φ6.3mm output, choose the proper way for use.
  • Page 20 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.
  • Page 21 2. Setting Lock-On Up and Down buttons till the HOLD starts flashing , the Lock-On Hold both 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.
  • Page 22 5-2 Handheld Transmitter Battery Insertion // Mh-920 / Mh-930 / Mh-850 / Mh-750 (1) Loosen the microphone head counter-clockwise. (Figure 1) (2) Hold on to both battery tray buttons to release it. (Figure 2) (3) Insert 2 pieces of UM-3 1.5 V batteries, remember to match Figure 1 correct polarity.
  • Page 23 Caution To avoid battery leakage or explosion (1) Remove batteries when the wireless microphones will not be used for a long time. (2) When you need to replace the batteries, replace both batteries at the same time with new ones. (3) Don’t use different type of batteries together! Channel Select // Mh-920 / Mh-930 (1) LCD panel...
  • Page 24 Channel Select // Mh-850 / Mh-750 (1) Use the supplied screwdriver to select a desired channel for the transmitters. The transmitters are preprogrammed with 16 channels. (2) Make sure the channel of receiver matches that of the transmitter. POWER Low Batt. Channel Select // Mh-8800i (1) LCD Operation Down button...
  • Page 25 5-3 Body-pack Transmitter // PT-920B(mi) / PT-850B(mi) (1) PT-920B(mi) LCD panel Main display Battery indictor (2) Basic operation 1. Slide the battery tray cover in the direction of the arrow to open it, insert two 1.5V batteries according the correct polarity, and return the cover.

  • Page 26: Installation Of Condenser Microphones

    Plug the connector into input socket on the body-pack transmitter. MIC IN (3) Instrument Microphones The system is compatible with JTS various instrument microphones. For detail please refer to user’ s manuals of these microphones.
  • Page 27 (4) Ear-hook Microphone 1. Lightweight Dual Ear Hook Microphone Try on whether the headset is fit. Adjust the headband to a suitable width. Tighten or loosen the curve of the 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.

  • Page 28: System Operation

    6. System Operation Be sure to mute the audio signal of mixer or amplifier before turning on the receiver or trans- mitter. 6-1 Power on Turn AF level on the receiver completely counter-clockwise to the minimum level, and press the power On/Off switch on the front panel of receiver. As soon as you turn power on of receiver, the power LCD lights on, meanwhile the RF signal and AF level indicate the transmission status, and receiver is ready for operating.

  • Page 29: Using The Body-Pack Transmitter

    6-3 Using the Body-pack transmitter (1) On the rear panel of PT-920B(Bmi) / PT-850B(Bmi) body-back transmitter, equipped the AF level control. Use the supplied plastic stick to adjust a proper level. (2) The carry case allows the PT-920B(Bmi) / PT-850B(Bmi) to be attached on performer’ s belt, place the antenna towards the back of his body.

  • Page 30: Important Notice

    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.

This manual is also suitable for:

Pt-920bPt-920bmiPt-850bPt-850bmiMh-920Mh-930 ... Show all

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