Enping
User Manual
Professional Wireless Microphone System
SYSTEM COMPONENT
CONSIST OF:
- Receiver
- Adaptor
- Audio cable
- AA Battery
- 1/2 Antenna
- Manual
Optional:
- Handheld transmitter
- Body-pack transmitter
- Tie-clip microphone
DUAL-CHANNEL RECEIVER
Front Panel
- Power
- IR Port
- LCD of CH A
- Menu of CH A
- Sync key of CH A
- LCD of CH B
- Menu of CH B
- Sync key of CH B
- Operation knob
- Return key
Rear Panel
- 3 Mixed Output •
- CH A XLR Output
- CH B XLR Output
- B.BNC Antenna jack
- A.BNC Antenna jack
- Power Socket
4X CHANNEL RECEIVER
Front Panel
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Rear Panel
- CD-CH.B.BNC ANT-Jack
- CD-CH.A.BNC ANT-Jack
- CH D XLR Output
- CH C XLR Output
- 6.3 Mixed Output
- CH B XLR Output
- CH A XLR Output
- AB-CH.B.BNC ANT-Jack
- AB-CH.A.BNC ANT-Jack
- Power Socket
LCD Display
| State of the antenna The custom number of the receiver channel The power status of the transmitter battery Locked status indicator RF level |
AF level Volume level Frequency Channel of preset frequency Group of preset frequencies |
The receiver displays the battery power of the transmitter in real-time
When the transmitter is turned on and the receiver receives the signal normally, the following display will be displayed at the top of the receiver’s LCD screen: TxBat: 
Real-time response to the battery status of the transmitter. When the battery symbol display as: 
and turns red and flashes, it indicates that the battery needs to be
replaced immediately.
RECEIVER SETUP
Activate the setup channel 
Press the
key for the channel you want to set up, the key will light up with a green light (as of right picture) At this point, you can change the settings for the corresponding channel.
Volume set
To change the volume of the selected channel, turn the left and right operation knob before entering the menu Settings(as right picture)
Enter the menu Settings
After selecting the channel you want to set, press the operation knob(Fig®), go in the menu setting(Feige), Press the back key to exit.
Auto-scan
After entering the setting menu, rotate the operation knob to select “Auto-scan”(Feign and then press the operation knob(Fig©) to start the automatic scanning(Fig0) Press the back key to exit.
Set the preset frequency
After entering the setting menu, rotate the operation knob to select “Group ser(Fig0) and then press the operation knob(Fig® ) into the preset channel or group setting(Fig0), turn the operation knob to change the preset frequency(Fig®) Press the back key to exit.
Frequency set
After entering the setting menu, rotate the operation knob to select “Frequency ser(Feign and then press the operation knob(Fig®) into the frequency setting(Fig (5)), turn the operation knob to change the frequency(Figg)) Press the back key to exit.
Serial number setting
After entering the setting menu, rotate the operation knob to select “Serial number”(Fig®) and then press the operation knob(FigQ) into the serial number setting(Fig®), turn the operation knob to change the serial number(Fig®) Press the back key to exit.
Lock setting
Press and hold
and then press
then, you can set the lock ON 
or of
.
A-type handhold transmitter
Function
- Microphone head
- LCD Display
- RF Power switch (H: 50mW, 8mW)
- Power switch
- IR port
LCD Display
- Battery sign
- Frequency
- Transmitter serial number
Replace battery
The expected life for an Alkaline battery is approximately 8 hours.
When the battery sign is shown: the batteries should be replaced immediately, as shown on left.
B-type handhold transmitter Function
- Microphone head
- LCD Display
- Power switch
- IR port
- RF Power switch (11: 30mW, L: 5mW)
LCD Display
- Frequency
- Battery sign
Replace battery
The expected life for an Alkaline battery is approximately 8 hours.
When the battery sign is shown: 
the batteries should be replaced immediately, as shown on left.
C-type handhold transmitter
Function
- Microphone head
- LCD Display
- Power switch
- IR port
- Up key
- Down key
- Menu key
- Return key
LCD Display
- Frequency group
- Frequency
- Gain
- Battery sign
- Lock sign
Replace battery
The expected life for an Alkaline battery is approximately 8 hours.
When the battery sign is shown:
the batteries should be replaced immediately, as shown on left.
C-type handhold transmitter seting
Frequency group setting
Press 
one time, When the group numbers flash, press
or
: you can change the frequency group.
Frequency setting
Press twice, When the frequency numbers flash, press or you can change the frequency .
Lock setting
Press and hold, and then press, the lockset is activated. The sign shows the locking status, it can’t do any operation except power on/off.
Desktop transmitter
Function
- Condenser microphone socket
- Power and mute key
- LCD Display
- IR port
LCD Display
- Battery sign
- Frequency
- Transmitter serial number
- Work status
Replace battery
The expected life for an Alkaline battery is approximately 8 hours. When the battery sign is shown: the batteries should be replaced immediately, as shown on left.
Body-pack transmitter
Function
- Condenser microphonic socket
- Power switch
- IR port
- Antenna
- LCD Display
- Up key
- Down key
- Menu key
- battery box cover
Replace battery
The expected life for an Alkaline battery is approximately 8 hours. When the battery sign is shown: the batteries should be replaced immediately, as shown on left.
Body-pack transmitter setting
Frequency setting
Press
one time, When the frequency numbers flash, press
or
you can change the frequency.
RF power setting
Press twice, When the display shows: press or you can change the RF power
Fig: High power (Far range of use)
Fig ®: Low power (Battery life is longer)
Gain setting
Press ci tree time, As shown in the picture on the left, press or you can change the input gain.
Lock setting
Press and hold and then press the lockset being activated. The sign shows the locking status, it can’t do any operation except power on/off.
SYSTEM SETTING
IR SYNC
Hold the transmitter with its IR port facing directly to the receiver’s IR port at a distance between 5-20cm. Press the “SYNC” button, the IR port will Flash red, wait second, the transmitter has to be synchronized to the same frequency before using.
Note: When using multiple systems, only one transmitter IR port should be exposed at a time.
SPECIFICATION
DUAL-CHANNEL RECEIVER
Frequency Range:…………………………………… 500-940MHz
Receive mode……………………………………….. True diversity
Channel’……………………………………………….. 800
Frequency Bandwidth’……………………………. 42MHz
Receive Sensitivity……………………….. <-97dBm for 30dB S/N Ratio
Frequency Response’……………………………….. 60-15000 Hz
S/N Ratio: ………………………………………………. >105dB(A)
T.H.D•…………………………………………………….. <0.5%
Dynamic Range’………………………………………….. >100dB
Audio Socket’………………………………………….. XLR+jack
Antenna’……………………………………………….. BNC, 500
Output Level’………………………………………. XLR: +8dBu max
Power’………………………………………. 12-18 V DC / 2000mA
4x CHANNEL RECEIVER
Frequency Range:…………………………………… 500-940MHz
Receive mode……………………………………….. True diversity
Channel’………………………………………………… 1600
Frequency Bandwidth’……………………………. 42MHz
Receive Sensitivity’……………………….. <-97dBm for 30dB S/N Ratio
Frequency Response’……………………………….. 60-15000 Hz
S/N Ratio: ………………………………………………. >105dB(A)
T.H.D•…………………………………………………….. <0.5%
Dynamic Range’………………………………………….. >100dB
Audio Socket’………………………………………….. XLR+jack
Antenna’……………………………………………….. BNC, 500
Output Level’………………………………………. XLR: +8dBu max
Power’………………………………………. 12-18 V DC / 2000mA
TRANSMITTER
Frequency …………………………………. 543.472-588.0MHz
Channel:…………………………………… 2
RF Power……………………………………………………… 6 mW
Spurious Emission’………………. > 70dBc
Maximum Deviation’………………….. +48kHz
Frequency Response’…………………………… –60-15000 Hz
S/N Ratio……………………………………. 105 dB(A)
T.H.0………………………………… <0.5 %
Input Voltage*………………… mic 0.8 V max
Power……………………………. 1.5V AAx2
Continuous Using………………………………… >8 h
FCC Caution：
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.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
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 a 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.
The device has been evaluated to meet general RF exposure requirements.
The device can be used in portable exposure conditions without restriction.
Warning:
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment, This device and its antenna(s) must not be co-located or in conjunction with any other antenna or transmitter.
Wireless microphone users shall rely on the white space databases in part 15, Subpart H to determine that their intended operating frequencies are available for unlicensed wireless microphone operation at the location where they will be used. Wireless microphone users must register with and check a white space database to determine available channels prior to beginning operation at a given location. A user must re-check the database for available channels if it moves to another location.
Documents / Resources
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Enping Lane Electronics Technology LR-874DR Professional Wireless Microphone System [pdf] User Manual LR-874DR, LR874DR, V63LR-874DR, V63LR874DR, LR-874DR, Professional Wireless Microphone System |
