1. Inleiding
The Shure BLX14/SM31 Wireless Microphone System is engineered for clear, reliable audio performance, particularly suited for fitness and aerobics instructors. This system combines the robust BLX4 single-channel receiver with the comfortable and durable SM31FH fitness headset condenser microphone and BLX1 bodypack transmitter. Enjoy wireless freedom with easy setup and up to 14 hours of continuous use.

2. Wat is in die boks
Your Shure BLX14/SM31 Wireless Microphone System package includes the following components:
- BLX4 single-channel receiver
- Kragtoevoer
- BLX1 wireless bodypack transmitter
- Belt clip
- SM31FH fitness headset condenser mic
- Klere snit
- Voorruit
- 2x AA batterye
- Gebruikersgids
3. Produkkomponente oorview
BLX4 Single Channel Receiver
The BLX4 receiver is the central unit for your wireless system, featuring a user-friendly interface for channel selection and monitoring.


BLX1 Bodypack -sender
The BLX1 bodypack transmitter is compact and durable, designed to be worn comfortably. It connects to the SM31FH headset microphone.



SM31FH Fitness Headset Condenser Microphone
The SM31FH is a durable, moisture-resistant headset microphone designed for active use in fitness and aerobics environments.

4. Opstelling
4.1. Draadlose Frekwensieband Keuse
Before setting up, ensure the selected wireless frequency band (H9 Band: 512-542 MHz for this model) is suitable for your area. Refer to the Shure webwebwerf se Draadlose Frekwensie Soeker vir gedetailleerde streeksinligting.

4.2. Ontvanger Opstelling
Follow these steps to set up your BLX4 receiver:
- Plasing: Position the receiver in a location that maintains a clear line of sight to the transmitter, minimizing obstructions.
- Kragverbinding: Securely connect the included power supply to the receiver's power input.
- Oudio-uitvoer: Connect the receiver to your sound system (mixer or amplifier) using either the XLR output (Mic Out) or the 1/4" output (Instrument Out).
- Krag aan: Skakel die ontvanger aan deur die kragknoppie te druk.
- Groepskandering: Press the 'group' button on the receiver to perform an automatic scan for the best available group and channel. The receiver will display the selected group and channel. Ensure all transmitters are off during this scan.
4.3. Senderopstelling
Prepare your BLX1 bodypack transmitter and SM31FH headset microphone:
- Installeer batterye: Open the battery compartment of the BLX1 bodypack transmitter and insert two AA batteries, ensuring correct polarity.
- Koppel mikrofoon: Plug the SM31FH headset microphone into the TA4F (TGQ) connector on the BLX1 bodypack transmitter.
- Krag aan: Skakel die sender aan.
- Match Group and Channel: Set the group and channel on the transmitter to match the settings displayed on the receiver. Use the 'group' and 'channel' buttons within the battery compartment to cycle through options until they align with the receiver.
5. Operasie
5.1. Uitvoering van 'n klanktoets
After initial setup, perform a soundcheck to ensure optimal audio levels and clear transmission:
- Activate System: Ensure both the receiver and transmitter are powered on. The 'ready' LED on the receiver should be illuminated.
- Toets oudio: Speak or sing into the SM31FH headset microphone at typical performance levels. Observe the 'audio' LED on the receiver.
- Pas wins aan: If the 'audio' LED is consistently red, indicating excessive sound levels (overload), adjust the gain setting on the BLX1 bodypack transmitter. For the bodypack, rotate the gain dial to decrease the setting. For handheld transmitters (if applicable), press and hold the 'channel' button for 5 seconds until a dot appears, then adjust. Aim for the 'audio' LED to be green most of the time, with occasional red flashes during peak audio.
5.2. Algemene Bedieningswenke
- Batterylewe: The BLX transmitters provide up to 14 hours of power from a single pair of AA batteries.
- Bedryfsreeks: The system operates up to a range of 300 feet (100m) under optimal conditions. Maintain line of sight between the transmitter and receiver for best performance.
- Stelseluitbreiding: You can run up to 12 channels per frequency band, allowing for multiple wireless systems in one location.
6. Onderhoud
To ensure the longevity and optimal performance of your Shure BLX14/SM31 Wireless Microphone System, follow these maintenance guidelines:
- Skoonmaak: Regularly wipe down the receiver, transmitter, and headset microphone with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Batterysorg: Remove batteries from the transmitter if the system will not be used for an extended period to prevent leakage. Use high-quality AA batteries for best performance.
- Berging: Store the system in a cool, dry place away from extreme temperatures and humidity. The included carrying case is ideal for protection during transport and storage.
- Headset Hygiene: For the SM31FH headset, regularly clean the microphone windscreen and replace it if it becomes worn or damaged.
7. Probleemoplossing
If you encounter issues with your Shure BLX14/SM31 Wireless Microphone System, consider the following common troubleshooting steps:
- Geen klank/onderbroke klank:
- Check all cable connections (power, audio output, microphone to transmitter).
- Ensure both the receiver and transmitter are powered on and the 'ready' LED on the receiver is lit.
- Verify that the transmitter and receiver are set to the same group and channel.
- Replace batteries in the transmitter if they are low or depleted.
- Ensure there is a clear line of sight between the transmitter and receiver, free from obstructions.
- Swak klankgehalte/interferensie:
- Perform a new group scan on the receiver to find a clearer frequency.
- Adjust the transmitter gain to prevent audio overload (red 'audio' LED).
- Move the receiver away from potential sources of interference (e.g., Wi-Fi routers, other wireless devices, large metal objects).
- Ensure the SM31FH microphone is positioned correctly near the mouth.
8. Spesifikasies
| Kenmerk | Spesifikasie |
|---|---|
| Model Naam | BLX14/SM31 Wireless Cardioid Fitness Headset Microphone System |
| Handelsmerk | Shure |
| Item Modelnommer | BLX14/SM31-H9 |
| Draadlose frekwensieband | H9 Band (512-542 MHz) |
| Mikrofoonvormfaktor | Headset (SM31FH) |
| Polêre patroon | Eenrigting (kardioïed) |
| Verbindingstegnologie | Draadloos |
| Kragbron | Corded Electric (Receiver), Battery Powered (Transmitter) |
| Battery Tipe | 2 AA-batterye benodig (ingesluit) |
| Batterylewe | Tot 14 uur |
| Bedryfsreeks | Tot 300 voet (100m) |
| Aantal kanale | 1 (single channel receiver) |
| Max Systems per Frequency Band | Tot 12 (afhanklik van streek en omgewing) |
| Frekwensierespons | 20 KHz |
| Sein-tot-geraas verhouding | 76 dB |
| Impedansie | 150 ohm |
| Item gewig | 2.8 pond |
| Produkafmetings (L x B x H) | 13.5 x 12 x 4 duim |
| Materiaal | Vlekvrye staal |
| Datum Eerste Beskikbaar | 6 Oktober 2015 |
9. Waarborg en ondersteuning
The Shure BLX14/SM31 Wireless Microphone System includes a 2-YEAR WARRANTY, providing peace of mind for your investment.
For additional support, detailed product information, or to access the Shure Wireless Frequency Finder, please visit the official Shure website. You can also contact Shure customer service for technical assistance.