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Summary of Contents for RTS MH-300
- Page 1 Modular Series (MH) Headsets and Headphones User Instructions Models Include: MH-300 MH-300L MH-302 MH-302L MH-402 MH-402L F01U217863(LIT000404000) Rev 04 4/2011...
- Page 2 Reproduction, in whole or in part, without prior written permission from Bosch is prohibited. ARRANTY AND ERVICE NFORMATION For warranty and service information, refer to the appropriate web site below: RTS ............www.rtsintercoms.com/warranty RTSTW............. www.rtstw.com/warranty AudioCom .........www.telexaudiocom.com/warranty RadioCom.......... www.telexradiocom.com/warranty Headsets........www.intercomheadsets.com/warranty EGULATORY NFORMATION This device complies with part 15 of the FCC Rules.
- Page 3 Available MH Series Accessories Ear Cushion ........................................F01U149725 Dynamic Microphone Windscreen ...................................F01U149727 Headband Pad ........................................F01U149729 Battery ..........................................F01U149731 Battery Charger North America..................................F01U149733 World Power Supply Adapters ..................................F01U149735 Aux Audio Input Module ....................................F01U149737 Single-Sided Passive Headset Frame Assembly ..............................F01U149739 Double-Sided Passive Headset Frame Assembly.............................F01U149741 Analog ANR Headset Frame Assembly................................F01U149743 Dynamic Microphone Module, Quick Disconnect Connector .........................F01U149745 Cable, Quick Disconnect to A4M Connector ..............................F01U149747...
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Page 5: Table Of Contents
Contents INTRODUCTION ........................... 3 Important Safety Instructions ..........................3 General Description ............................. 3 Features ................................4 MH-300/MH-300L (no ANR) Single-Sided Headset/Headphone ........................5 MH-302/MH-302L (no ANR) & MH-402/MH-402L (ANR capable) Dual-Sided Headset/Headphone .......................... 6 Battery Charger ..............................7 Battery Charger Power Supply ..........................7 CONFIGURATION, OPERATION AND MAINTENANCE ............... - Page 6 CONNECTORS ............................. 25 XLR Connectors ..............................25 Pig Tail Connector .............................26 Quick Disconnect ...............................27 SPECIFICATIONS ..........................29 Specifications ..............................29 Speaker ....................................29 Noise Reduction ................................29 Microphone ..................................29 General ....................................29 TROUBLESHOOTING AND FAQS ....................31 Where do I send my headset for repair? .........................31 My ANR (Automatic Noise Reduction) Headset is no longer working.
- Page 7 List Figures FIGURE 1. Models MH-300 and MH-300L ......................5 FIGURE 2. Models MH-302, MH-302L, MH-402, and MH-402L .................6 FIGURE 3. Battery Charger Reference Diagram .....................7 FIGURE 4. Standard Power Supply and Plug Adapters ..................7 FIGURE 5. ANR Switch ............................14 FIGURE 6.
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Page 9: Introduction
The battery used with these headsets is a Lithium based unit. This unit must only be charged with the RTS specified battery charger. Care should be used when storing the battery; ensuring the terminals are not shorted together. -
Page 10: Features
Features Three (3) Headset The MH Series gives you three (3) options when selecting the type of headset for your environment: Single-Sided Headset without ANR (model MH-300 and MH-300L) Frame Options - • Dual-Sided Headset without ANR (model MH-302 and MH-302L •... -
Page 11: Mh-300/Mh-300L (No Anr) Single-Sided Headset/Headphone
Introduction MH-300/MH-300L (no ANR) Single-Sided Headset/Headphone Models MH-300 and MH-300L FIGURE 11. NOTE: The MH-300L is a listen-only headphone. It does not have a microphone. Headset Frame Microphone Module or Auxiliary Audio Input Module Temple Pad Headband Pad Ear Cushion... -
Page 12: Mh-302/Mh-302L (No Anr) & Mh-402/Mh-402L (Anr Capable) Dual-Sided Headset/Headphone
Modular Series (MH) Headsets and Headphones User Manual MH-302/MH-302L (no ANR) & MH-402/MH-402L (ANR capable) Dual-Sided Headset/Headphone Models MH-302, MH-302L, MH-402, and MH-402L FIGURE 12. NOTE: The MH-302L and the MH-402L are listen-only headphones. They do not have a microphone. Headset Frame Microphone Module or Auxiliary Audio Input Module Headband Pad... -
Page 13: Battery Charger
Introduction Battery Charger NOTE: For more information, see “Battery Module” on page 21. Battery Charger Reference Diagram FIGURE 13. Operation LED Module Release Button Power Supply Connector Battery Charger Power Supply Standard Power Supply and Plug Adapters FIGURE 14. World Power Supply Adapters (Optional - P/N Standard Power Supply PRD000260005) Wall Pack... - Page 14 Modular Series (MH) Headsets and Headphones User Manual...
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Page 15: Configuration, Operation And Maintenance
CHAPTER 2 Configuration, Operation and Maintenance The MH Series Headsets and Headphones were designed for use in multiple applications. As such, when using the headsets and headphones specific for you application, refer to the following sections to verify the proper configuration and settings. Before First Use Battery Charging (MH-402 Series) For information on charging the battery, see “Charge the Battery”... - Page 16 Modular Series (MH) Headsets and Headphones User Manual To replace a module, do the following: Align the mounting tab with the mounting tab hole. Slide the module into place. Press the module down, snapping it into the ear cup.
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Page 17: Configuration
Configuration, Operation and Maintenance Configuration NOTE: The MH Series headset and headphones have been configured for use in the most common applications. We recommend the configuration not be changed unless absolutely necessary. The following information details configuration settings for: Speaker Volume (see “Configure the Speaker Volume” on page 12) •... -
Page 18: Configure The Speaker Volume
Modular Series (MH) Headsets and Headphones User Manual Configure the Speaker Volume Speaker Volume is configured using dip switch settings located on the microphone module and the listen-only module. To adjust the speaker volume, do the following: Using a small flathead screwdriver (or other device), adjust the speaker volume. See Table 1. >... -
Page 19: Configure Speaker Mode
Configuration, Operation and Maintenance Configure Speaker Mode Audio on the headset can be configured to be heard either Mono, Left Only, or Stereo. This means it can come from both sides of the headset or from the left side only. NOTE: The stereo option can only be used with the 5-pin XLR connector versions. -
Page 20: Configure Anr (Mh-402 And Mh-402L Only)
Modular Series (MH) Headsets and Headphones User Manual Configure ANR (MH-402 and MH-402L Only) ANR is used to reduce unwanted noise in the headset from the surrounding environment. The ANR switch is located on the left ear cup, as seen in Figure 15. ANR Switch FIGURE 15. -
Page 21: Operation And Maintenance
Configuration, Operation and Maintenance Operation and Maintenance To operate the MH Series headset, do the following: Step 1 Adjust the headset for proper fit and comfort. See “Headset Adjustment and Sizing” on page 15. Step 2 Adjust the microphone for proper use. Step 3 Turn on ANR. - Page 22 Modular Series (MH) Headsets and Headphones User Manual The MH-302/302L and the MH-402/402L have two (2) ear cup cushions and a headband cushion, while the MH-300/300L has one (1) ear cup cushion, one (1) temple pad, and a headband cushion.
- Page 23 Configuration, Operation and Maintenance To replace the headband cushion, do the following: Grasp the headband cushion. Pull the worn cushion off the headband. Remove the protective paper from the sticky side of the new headband cushion. NOTE: The headband is affixed to the headband with adhesive tape. Align the new headband cushion to the headband frame.
- Page 24 Modular Series (MH) Headsets and Headphones User Manual To replace the temple pad cushion, do the following: Grasp the temple pad cushion. Pull the worn cushion off. Remove the protective paper from the sticky side of the new temple pad cushion. NOTE: The temple pad is affixed to the headband with adhesive tape.
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Page 25: Replace The Windscreen
Configuration, Operation and Maintenance Replace the Windscreen To replace the wind screen, do the following: Remove the worn windscreen from the microphone and discard. Gently pull the new windscreen over the microphone. Care and Maintenance Clean the Headset When cleaning your headset, do the following: use a soft, slightly damp cloth (water only). - Page 26 Modular Series (MH) Headsets and Headphones User Manual...
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Page 27: Battery Module
CHAPTER 3 Battery Module Battery Module The battery module is only used with the MH-402 and MH-402L ANR headset/headphone. By using the battery and enabling the ANR, the audio quality is markedly enhanced. NOTE: The battery charger uses a universal power pack with a mini-USB connector that is compatible with many devices that accept the connector, for example a cell phone. -
Page 28: Charge The Battery
Modular Series (MH) Headsets and Headphones User Manual Charge the Battery IMPORTANT: Before installing the battery for the first time, charge the battery for at least an hour and a half to ensure a fully charged unit. A fully charged battery lasts approximately 40 hours between charges. Battery Charger Reference Diagram FIGURE 17. - Page 29 Battery Module To change the connection adapter for the power module, do the following: While pressing the adapter lock button, turn the adapter counter-clockwise to release the adapter. Replace the current adapter with the desired power module adapter. Turn the new adapter clockwise to lock it in place. To charge a battery, do the following: Plug the power supply into an electrical outlet.
- Page 30 Modular Series (MH) Headsets and Headphones User Manual Align the mounting tab with the mounting tab hole on the battery charger. Slide the battery module into place. Press down on the battery module, snapping it into the ear cup. The LED lights red while the battery is charging, and lights green when it is finished charging.
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Page 31: Connectors
CHAPTER 4 Connectors XLR Connectors 4-Pin XLR Connector Female and Male FIGURE 18. 4-Pin XLR Pin Out TABLE 3. Wire Color Description Blue MIC - White MIC + Black/Outer Shield SPK - Yellow/Red R SPK and L SPK (dual) Case Inner Shield MIC SHIELD... -
Page 32: Pig Tail Connector
Modular Series (MH) Headsets and Headphones User Manual 5-Pin XLR Connector Female and Male FIGURE 19. 5-Pin XLR Pin Out TABLE 4. Wire Color Description Blue MIC - White MIC + Black/Outer Shield SPK - Yellow L SPK + N/C (single) R SPK + (dual) Case Inner Shield MIC SHIELD... -
Page 33: Quick Disconnect
Connectors Quick Disconnect The Quick Disconnect allows you to quickly switch connector types without having to switch headsets, saving time and space when you are on the go. Quick Disconnect Connector FIGURE 20. To disconnect the quick disconnect connector, do the following: Holding the quick disconnect in both hands, gently push each connector end toward each other (see Figure 20, A). - Page 34 Modular Series (MH) Headsets and Headphones User Manual...
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Page 35: Specifications
ANR Models MH-402 and MH-402L Only.......... up to 12dB noise reduction between 100Hz and 2000Hz Microphone Type.................................Noise canceling dynamic Impedance ....................................200Ω Sensitivity................................200Hz to 5kHz Distortion....................................<5% General Gross Weight ............... MH-300, 8oz (226g); MH-302, 10oz (284g); MH-402, 10oz (284g) Cord Length ................................5.9ft. (1.8m) Color.......................................Black... - Page 36 Modular Series (MH) Headsets and Headphones User Manual...
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Page 37: Troubleshooting And Faqs
CHAPTER 6 Troubleshooting and FAQs PROBLEM SOLUTION Where do I send my headset for repair? Attn: Customer Service Bosch Communications, Inc. 8601 East Cornhusker Hwy. Lincoln, NE 68507 U.S.A Please include a copy of receipt, if available. Along with the unit, please include your name, billing, and shipping address, telephone number, and a brief description of the problem you are experiencing. -
Page 38: I Need Parts For My Headset
PROBLEM SOLUTION I need parts for my headset. Contact customer service for the part • number you are looking for. How long will it take my headset to be repaired? Repair duration is usually 7 to 10 working days plus shipping time back to the customer.
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