lifewit VHF Wireless Microphone System Instruction Manual
- June 3, 2024
- lifewit
Table of Contents
lifewit VHF Wireless Microphone System
Thank you for buying this VHF WIRELESS MICROPHONE SYSTEM product. Please read through These opera tion instructions so you will know how to operate your model properly. After you have finished reading the instructions, put them away in a safe place of future reference.
WARNING
- To prevent fire or shock hazards, do not expose the unit to rain or moisture.
- To a void electrical shock, do not oper the cabinet. Refer servicing to qualified personnel only.
PRECAUTIONS
- Do not drop or give any physical shocks to the wireless microphone.
- Do no t use the system where It may be subjected to :
- direct or indirect sunlight.
- excessive heat from radiators or other heat sources.
- excessive dust or humidity.
- Mechanical or other vibrations.
- Should any liquid or foreign object fall into the uni t, disconnect the unit from the power source and have it checked by qualified personnel before operating it any further. you have any questions or problems concerning this system which are not covered in this manual, please consult the nearest out company.
- Be sure to bring the cordless microphone and the receiver (the whole system) to out company when requiring repair work
Troubleshooting Guide
| Problem | Cause | Solution |
|---|
__
__
The BROADCASTING
indicator does not up.
| __
The cordless microphone is not turned on.
| __
Turn on the cordlerr microphone.
__
The microphone receiver is not turned on.
| Turn on the microphone receiver and the connected AV equipment.
__
The microphone receiver is not connected properly.
| __
See the “connections”in this manual and correct the connections.
__
__
__
__
__
No Sound
| The battery in the cordless microphone is weak| __
Replace the battery.
__
The microphone receiver is not turned on.
| Turn on the microphone receiver and the connected AV equipment.
The connected AV dquipment is not turned on.| __
Turn up the AV equipment.
__
The connected AV dquipment is turned down.
| __
Turn up the volume of the AV equipment.
__
The speakers/headphones are not conneceted to the AV equipment.
| __
Connect the speakers/head phones.
__
__
The sound is distorted.
| The bettery in the cordless microphone is weak.| __
Replace the battery.
__
The AUDIO OUT selector switch on the receiver is not set correctly.
| __
See the “parts identification” in this manual and set it correctly.
__
A howing noise is heard from the speakers
| __
__
The distance between the cordkess microphone aned speakers are too close.
| __
Move the cordless microphone away from the speakers of chang the direction of the microphone.
__
__
A loud hissing noise is heard from the speakers.
| __
__
The battery in the cordless microphone is weak.
| __
__
__
Replace the battery.
If the a6ove mentioned suggestions do not improve ide situation, consult your out company
SPECIFICATIONS
OVERALL SYSTEM
- Carrier Frequency Range 657.35MHz UH F HIGH band +/ -0.005
- Frequency Stability with quar t z con trolle d.
- Modulation Mode FM
- Maximum Deviation Range +/-15KHz,with Limiting comperssor
- Frequency Response 40Hzto 20KHz
- S/N Ratio Better than 100dB.(A)
- T.H.D Less than 0.5%
- Audio Dynamic Range Over 100dB .Over 118dB with Limiting
- Service Areas 30 meters.
RECEIVER
- Receiving System Dual channels fixed frequency by quartz
- S/N Ratio Over 108dB at 15KHz deviation
- Image and Spurious Rejection 80dB minimun
- Power Supply AC 110/220 V,50/60Hz
FCC
NOTE : This equipment has been tested and found to comply with the limits for Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions,may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment of and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which there receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help
Changes or modifications not expressly approved by the party responsible fo r
compliance could void the user’s authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions:
- this device may not cause harmful interference, and
- this device must accept any interference received, including interference that may cause undesired operation.
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.