Ritasc XM615 WIRELESS MICROPHONE System User Manual
- June 5, 2024
- Ritasc
Table of Contents
Ritasc XM615 WIRELESS MICROPHONE System
Features
- Two high sensitive
- Noise reduction technology
- Applicable for medium&small stages.karaoke halls and home entertainment etc.
Specifications
Receiver
- Carrier Wave Frequency Range:
- Carrier Wave Stability: 1 0PPM
- Sensitivity: -105dB@ sinad=12 dB
- S/N Ratio: >105dB
- T.H.D.: <0.5%@ 1 KHz
- Image Rejection: 85 dB typical
- Spurious Rejection: 75 dB typical
- Frequency Responses:
- Working Distance: >200 feet
- AF Output lmpedance:2.2KQ
- Max.Output Level: Balance: 0-400mv, Unbalance: 0-200mv
- Display: LCD
- Power Supply: External DC Power Supply, , 5VDC
- Output Connector: XLR Balanced Socket, Unbalance TRs06.35mm Socket
Transmitter
- Transmitter Power: 30mW
- Spurious Emission: <40dB(with carrier)
- Display: LCD
- Battery Voltage: 1.5VX2 pcs
- Battery Life: 6-8 hours
Troubleshooting
If you are having operating problems,or suspect something wrong with the unit, please check the troubleshooting list below to see if the issue is a result of incorrect operation rather than equipment malfunction.
| Problem | Possible cause | Solution |
|---|
Receiver
No sound; No lights
| • Power button is on the OFF position
• DC power adapter is not plugged in
• Poor connection of DC power adapter
• How to switch from different channels?
| • Turn on the power button
• Plug in the DC power adapter
• Cheek to see if the DC power adapter is loose.
■ See page 3 for details.
Microphone
No sound; Lights on
| • The transmitter is out of range
• Microphone switch is off or mute
• Microphone volume is turned down
• Batteries in the microphone are not installed properly
• The antenna is not fully functional.
• Receiver is not connected to an amplifier, mixer or karaoke player
| • Operate the machine in the effective range
• Turn on the microphone switch (indicated green light)
• Turn on the microphone volume of the receiver
• Reinstall the batteries. Make sure the positive and negative end are installed correctly
• Try to change the angle of the antenna
• Connect the little cable from the receiver to a microphone input (mixer, player, etc.). See Page 4 for detail
Distorted sound; feedback
| • The two microphones are too close together
• Batteries running low in microphone
• Microphone volume is too high
• Distortion from other electric
wave
| • Separate the microphone further
away
• Replace the batteries
• Reduce the volume of the microphone
• Move the receiver away from electric equipment
Batteries
| ****
• Batteries are bad or off power
| ****
• Replace the batteries.
Receiver and Transmitters
- Power switch: turn on or turn off
- Display panel: show all kinds or information (such group, signal, frequency and RF, AF etc)
- Volume control
- AF
- RF
- Antenna
- Balance audio output
- Mix out
- DC input jack:5V DC
- LCD screen
- Power switch
- Antenna
- Power Switch: Press the button for 2-3 seconds to turn on, the LED lights. Press again for 2-3 seconds to turn off.
- Audio Input Interface.
- LED Indicator: Light when turn on. Flashes when low power.
- LCD Display: Display for frequency information.
- Battery Store.
- Battery Cover.
Installation
- Contact with 5V 500mA DC adaptor.
- Connect one end of a 1/4″ TO 1/4″ CABLE to the receiver’s UNBALANCE AUDIO OUTPUT(MIX) and the other end to a karaoke mixer, karaoke player or karaoke power amplifier 1 /4″ microphone input. If you are using the BALANCE AUDIO OUTPUT, use an XLR to XLR cable or XLR to 1/4″ cable.
- Unscrew the microphones handle cover(counter-clockwise) to check to see if there are batteries. If not, put the batteries into the microphones with the negative and positive end of the battery corresponding the negative and positive end of the microphone. Screw the microphone handle back on.
Connected
- The power supply is connected to the power input jack of the receiver. The input voltage of the power adapter must be consistent with the local power specifications.
- XLR balanced output and 6.3mm unbalanced output jack on the rear panel of the receiver, based on the need to be connected.
FCC Statement
This device complies with Part 15 of the FCC rules. Operation is subject to
the following two conditions: 1) this device may not cause harmful
interference, and 2)this device must accept any interference received,
including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits
for a 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 particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off 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 the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. FCC Radiation Exposure Statement This device complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.