RELACART ER-5700 Programming manual

Installation and Operation
ER-5700, ER-5900
UHF DUAL CHANNEL WIRELESS MICROPHONE SYSTEM

P1 P2
Contents
01 Safety Operation and Notice .....................................................................................................
02 System Performance Feature ...................................................................................................
03 Receiver Installation Method ....................................................................................................
04 Packing List ............................................................................................................................
05 Receiver Front Panel Function Introduction ...............................................................................
06 Receiver Rear Panel Function Introduction ................................................................................
07 Transmitter Function Introduction .............................................................................................
Handheld microphone (EH-38, EH-59) ..................................................................................
Bodypack transmitter (ET-50) ..............................................................................................
Desktop gooseneck microphone (UD-2) ...............................................................................
08 Transmitter Battery Installation ................................................................................................
09 System Setup ........................................................................................................................
Receiver Setup ...................................................................................................................
Operating menu of the Receiver ...........................................................................................
10 User-friendly steps ..................................................................................................................
11 Technical Specification ............................................................................................................
P3
P4
P5
P6
P7
P9
P10
P10
P12
P14
P16
P18
P18
P19
P20
P23
Thank you for choosing a RELACART professional wireless microphone system. You have
joined thousands of other satisfied customers. Our years of professional experience of
design and manufacturing to ensure our products’ quality, performance and reliability.

P3 P4
System Performance FeatureSafety Operation and Notice 0201
Key Features:
· Adopt true diversity FM super-heterodyne reception to ensure the stability of the received RF signal and the
anti-interference of the receiver itself; the operating frequency range is from 521.25MHz to 936.85MHz .
· The receiver comes with the electronic volume adjustment, the adjustment range is -6dB to +18dB, +3dB
step.
· The receiver is equipped with a elegant large LCD display and clearly display the receiving channel, RF and
AF signal strength.
· Channel group mode is selected, and 50 channel groups in each frequency band provide user selection.
· 128MHz wideband transmitter, four different frequency band receivers can be used interchangeably, which
greatly facilitates KTV debugging and management.
· With [IR] infrared automatic frequency matching function, press the [SYNC] button, the transmitter can
automatically and accurately lock the working frequency of the receiver.
· AFS Automatic frequency selection. Press the [AFS] (Auto Frequency Selection) button 3S and the receiver
will auto-scan and lock on to an open, interference-free frequency.
· Matching the Relacart’s classic audio companding circuit to minimize the noise from the transmission of
radio waves, and to ensure the maximum pickup effect of the product in use
· The receiver can display the battery level of the transmitter and can change according to the battery level of
the transmitter.
· The BNC antenna can be connected to the coaxial antenna and the extended antenna, and provides the
antenna power supply voltage. It can be connected to the Relacart classic Antenna distribution system,
expand the multi-device, enhance the receiving distance and improve the signal stability.
ER series is a dual-channel true diversity wireless microphone. True diversity receiving mode is more
stable, with AFS function, eliminating the reception drop out problem. The frequency response is wide, the
sound quality is rich and full, with strong vocal expression. cardioid directional pickup, high sensitivity,
while reducing environmental noise. The tone is high fidelity. It is suitable for karaoke, bars, night clubs,
KTV and other entertainment venues.
1. Please read instructions for safety operation carefully before installation and operation. Please save your safety
operation guide for future reference.
2. Do not scratch, bend, twist, stretch or heat the power cord as this may cause damage to the power cord, resulting
in a fire or electric shock.
3. Do not open the device shell, otherwise it may cause electric shock. If you need to repair, maintain or repair,
please contact your local agent.
4. Do not touch the power plug with wet hands as this may cause a fire or electric shock.
5. Do not attempt to modify this device. Failure to do so may result in personal injury or product malfunction.
6. Do not use this equipment near water.
7. If the power cord is damaged (such as a broken wire or bare core), obtain replacement parts from your dealer.
Continued use of the equipment with a damaged power cord may result in fire or electric shock.
8. To move the device he power, unplug the power cord, and unplug all connecting cables as this may damage the
cable, resulting in a fire or electric shock.
9. Before cleaning the device, unplug the power cord and unplug all connecting cables. Please clean it with a dry
soft cloth.
10. If the device is not in use for a long time, turn off the power, it is best to unplug the socket.
11. With the power plug and appliance coupler as the disconnecting device, it should be kept easy to operate.
12. For the safe use of the equipment and adequate ventilation, the minimum clearance around the equipment should
be maintained at a distance of 5 cm or more.
13. DO NOT cover the Ventilation holes, such as: newspaper / fabric / curtains and other items.
14. Equipment should not be placed on a bare flame source, such as: lit candles.
15. Battery should not be exposed to sunshine, roasted or other high temperature overheating environment.
16. Do not throw the waste battery, please put in the designated bins.
17. Water protection rating: IPX0
18. The device can be used normally in tropical / temperate climates.
19. This product is only suitable for safe use at the altitude of 2000m and below.
20. This symbol “ ” indicates that dangerous voltage constituting a risk of electric shock is present within this unit.
21. All Relacart products will be afforded one year free maintenance except for man-made damage, such as:
— the device is damaged by man-made factors.
— the device is damaged by improper operation.
— some components are damaged or loss after the self-disassembly.

P5 P6
Receiver Installation Method
03
Installation:
① For better operation the receiver should be at least 3ft (1m). above the ground and at least 3ft (1m).
away from a wall or metal surface to minimize reflections.
② Attached a pair of UHF antennas to the antenna input jacks, the antenna are normally positioned in the
shape of a “ V ” (both 45° from vertical) for best reception.
③ Keep antennas away from noise sources such as computer, digital equipment, motors, automobiles
and neon lights, as well as away from large metal objects
④ Keep open space between the receiver and transmitter for better reception.
⑤ The transmitter should be at least 6ft (2m). from the receiver
Packing List
04
(ER-5900)
(ER-5700)
ER-5900:
Wireless microphone receiver *1
Wireless *2transmitter
BNC Antenna *2
External power adapter * 1
1 meter audio cable *1
1.5V AA battery *4
1 U rack mount kit (screw) * 1 set
Installation and operation * 1
ER-5700:
Wireless microphone receiver *1
Wireless *2transmitter
BNC Antenna *2
External power adapter * 1
1 meter audio cable *1
1.5V AA battery *4
1 U rack mount kit (screw) * 1 set
Installation and operation * 1
(EH-59) (EH-38)

P7 P8
Receiver Front Panel Function Introduction
05
(ER-5700)
(ER-5900)
Power switch: Turn on the receiver of power supply, long press to turn off the receiver.
“SYNC” button: When the infrared frequency window of the receiver and transmitter is aligned, press the
“SYNC” button, synchronization of transmitters via IR interface from receiver.
“SET” button: Press to step through menus, choose operating frequency and select receiver function
options.
“ / ” allow control button: Press the allow button to edit the menu parameter values; Long press “ ”
button to enter [AFS] auto- scan function and the receiver will auto- scan and lock on to an open,
interference-free frequency.
Infrared data transfer window (IR) : Transmit channel data from the receiver to the transmitter, so that they
are in the same frequency, in order to realize the synchronization.
LCD display: Display working channel or frequency, RF/AF, diversity strengths, transmitter battery level,
mute and operation menu.
1/2 wavelength BNC antenna: Used to receive radio transmitter for transmission.
1
3
4
2
6
7
7
1 2 35 4 6
7
1 2 3 4 65 234
234
5

P9 P10
Receiver r Panel Function IntroductionRea
06
Anti-pull device: used to fix the connecting cable of the external power adapter.
DC IN socket: connect to external power adapter.
RF antenna diversity BNC input connector: suitable for connection of antenna A and antenna B, and
supports DC 8V/150mA power output.
Balanced audio output port (dual channel independent): The XLR port can be used to connect a standard 2
conductor shielded cable the receiver output to a balanced microphone level input on a mixer.
Unbalanced audio output port (dual channel mixed): The 6.3mm port can be connected to the microphone
or line input of the device.
4
1
3
2
5
Transmitter Function Introduction
07
21 3 354
Handheld microphone (EH-38) Handheld microphone (EH-59)
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8

P11 P12
Microphone Head: It is the important part to transfer sound into audio signal. The microphone head is
separate to change other microphone head if needed.
LCD display: display the frequency, channel, mute and battery life. Battery indicator displays a
maximum of 4 bar segments. When it leaves 1 bar segment, the batteries should be replaced
immediately.
Infrared data receiving window (IR): Synchronization of transmitters via IR interface from receiver.
Power Button/Mute Button: Press the power button to turn on the transmitter, press the power button 1.5
second enter the mute status, press one more time to close the mute function. Long press 3 seconds to
turn off the transmitter.
Battery cover: Unscrew it can reveal the battery compartment; When installing or replacing, the battery
cover must be opened.
Handheld transmitter tail cover: integrated antenna transmission output port.
RF power switch: HI is 40 mW, LO is 10 mW.
Battery compartment: Insert 2 fresh 1.5V AA batteries. (Alkaline type is recommended. Please remember
to replace both batteries.)
Warn: Observe correct polarity as marked inside the battery compartment to avoid damage to the internal
electric parts.
1
7
6
5
2
4
3
8
Bodypack transmitter (ET-50)
123 4
1
5
6
7
8

P13 P14
Antenna For transmitting a bodypack radio carrier.
Power toggle switch: Toggle this switch to turn on or off power supply of the transmitter.
AF/INS audio input selection switch: The transmitter can be connected with an audio input device
(microphone or instrument connection cable) at the top part-the input socket. “MIC” is used for microphone
input and “INS” is used to connect to guitar with instrument connection cable.
4-pin mini XLR plug: Connect to 4-pin lavalier microphone or instrument cable.
LCD display: display the frequency, channel, lock and battery life. Battery indicator displays a maximum of
4 bar segments. When it leaves 1 bar segment, the batteries should be replaced immediately.
Infrared data receiving window (IR): Synchronization of transmitters via IR interface from receiver.
Battery Door Switch: Open the battery door by sliding the switch.
Battery Compartment: Pull to open the battery door and insert 2 fresh 1.5V AA batteries. (Alkaline type is
recommended. Please remember to replace both batteries.)
Warn: Observe correct polarity as marked inside the battery compartment to avoid damage to the internal
electric parts.
6
2
3
1
8
7
5
4
Power Button/Mute Button: Press the power button to turn on the transmitter, press the power button 1.5
second enter the mute status, press one more time to close the mute function. Long press 3 seconds to
turn off the transmitter.
LCD display: Display the frequency, channel, lock and battery life. Battery indicator displays a maximum of
4 bar segments. When it leaves 1 bar segment, the batteries should be replaced immediately.
Infrared data receiving window (IR): Synchronization of transmitters via IR interface from receiver.
Desktop gooseneck microphone (UD-2)
6
1
3
2
7
8
9
2 3 1
4
5

P15 P16
Microphone rod: bending gooseneck design, can flexibly put the pickup head to any position.
Speaking Aperture: When you open the microphone to speak, this instruction light bright.
Gain knob: adjust the input signal size.
Low cut switch: cut off the low-frequency signal below 150Hz.
Battery Door Switch: Open the battery door by sliding the switch.
Battery Compartment: Insert 2 fresh 1.5V AA batteries. (Alkaline type is recommended. Please remember
to replace both batteries.)
Warn: Observe correct polarity as marked inside the battery compartment to avoid damage to the internal
electric parts.
4
9
7
5
6
8
Transmitter Battery Installation
08
1 2 3
1 2 3
(EH-38)
(EH-59)

P17 P18
1 2 3
(ET-50)
(UD-2)
1 2 3
System Setup
09
Receiver Setup
1. Make sure the transmitter is off before turning on the receiver.
2 Press the power switch on the receiver, LCD backlight will turn bright, and the normal display will be in 1-2
seconds. If the screen shows more than two signals, which means that there is a frequency interference
from outside, please change the other operating frequency.
3 Change the operating frequency by manual or by auto-scan mold:
a) Set the operating frequency by manual: press ▲/▼ to change the frequency, after the selected frequency
fleshes 4 times, the receiver will enter the selected frequency and show it on the LCD screen.
b) AFS Auto Frequency Scanning: long press ▲/▼ or 3 seconds, the receiver will auto scan about 30
seconds and lock on to an interference-free frequency.
4 Enter the main menu: long press SET button 3 seconds to enter the main menu. Press / button to select
the following menu: SQUELCH (squelch evel ontrol: 10 ~ 0dB), LEVEL (electronic volume adjustment:
-06 ~ +18dB), R- OCK ( ock peration) nd ( ).
(1) SQELCH (squelch level control) setting
mode, the small data flashes to indicate edit, touch ▲/▼ button to scroll through the available choice for
the function. The squelch level is adjustable in every 5dB steps, providing a 10dB ~ 40dB range. Press
SET Button to confirm the desired choice, then LCD return to its previously displayed contents. Finally
press “SET” to confirm.
(Receiver squelch threshold is factory preset. When the transmitter too far away from the reception
range or receiver does not receive enough transmit power, you can adjust by yourself. Note that unless
absolutely necessary, please do not adjust the squelch threshold, if adjusted too low will produce
excessive noise, system operation will not stable.)
(2) LEVEL (electrical level adjustment -06 ~ +18dB): select LEVEL, then press SET to enter the edit
mode, press ▲/▼ button, the adjustable electronic volume (-06 ~ +18dB). Finally press SET to confirm.

P19 P20
(3) R-LOCK (lock operation): select “R-LOCK”, then touch SET Button to enter edit mode, touch arrow
button, it displays “ON”, if stopping on “ON”, the system enters lock mode, the user can not use any
button for any control; touch ▼ arrow button, it displays “OFF”, if stopping on “OFF”, the user can do any
control by any button.
Press SET (LOCK ON)status, long press SET button 3 seconds, press ▲/▼ button to select LOCK,
then press ▼ , the screen freshes OFF, finally press SET to confirm, the lock status is released.
(4) REVISI ( ): select “REVISI”, then press SET to enter version mode, display current display version
version information.
Operating menu of the Receiver:
SET
/
SET SET
40dB
/ : 10dB~40dB; 40dB: Maximum
Squelch; 10dB: Minimum Squelch;
15dB: Default Squelch; SET: store setting.
10dB
Minimum Squelch
SQELCH
Adjusting the squelch threshold STORED
SET SET
ON
/ : ON, OFF
ON: Lock mode activated; OFF: Unlock
mode activated; SET: store setting.
OFF
Unlock receivers
Lock mode activated or deactivated
R-LOCK
Activating the lock mode STORED
EXIT
SET SET
+18dB
/ : -06~+18dB; -06dB: Lowest output
level; 0dB: Default output level; +18dB:
Maximum output level; SET: store setting.
-06dB
The lowest output level
LEVEL
Setting the audio output level STORED
SET Display current version
REVISI
Display version mode STORED
/
/
/
/
/
/
User-friendly steps
10
1. After connecting the antenna and the power cable, press the power button to turn on the
receiver. When the display is lit, the power is turned on successfully. (As shown below)
2. Long press “ ” button on the receiver to enter Automatic Frequency Search (AFS) function.
(As shown below)
(ER-5700) (ER-5900)
(ER-5900)(ER-5700)

P21 P22
The searched channel automatically calculates the interference-free frequency. The “RF” light on the
receiver display is 0 grid. If not, you can repeat this action until a clean channel is found. (As shown
below)
3. The transmitter’s infrared window facing to the receiver IR port. Press the “SYNC” button. (As
shown below)
(ER-5700)
Frequency alignment<15cm(6 in)
The frequency of the transmitter and the receiver are synchronized. When talking with the
microphone, the “AF” signal in the display jumps to indicate that there is an audio output. (As
shown below)
(ER-5700)
Channel display (receiver and transmitter display the same frequency)
(ER-5900)
(ER-5700) (ER-5900)
(ER-5900)

P23 P24
Technical Specification
11
ER-5700, ER-5900 Dual Channel Receiver
Main Frame Size :
Receiving Channel:
Frequency Stability :
Carrier Frequency Range :
Receiving Mode :
RF Sensitivity :
Squelch :
Frequency Sync :
Max. Output Level :
Adjustment Range of Audio Output Level:
Power Supply :
Current Consumption :
Dimension (mm) :
Weight :
EIA standard 1U
Dual Channel
±0.005% (-10 C ~ 50
521.25MHz ~ 936.85MHz
FM Superheterodyne true diversity reception
5dBμV, S/N>60dB at 25 deviation
10dB to 40dB, 5dB step
IR Sync
Maximum output + 11dBV
-6dB to +18dB, 3dB step
DC12V/1A
DV12V, 330mA
410 (W) x 206 (D) x 43 (H)
Approximately 1.8Kg
EH-38, EH-59 Handheld Microphone
Carrier Frequency Range:
Oscillation:
RF Output Power :
Carrier Deviation:
Harmonic Radiation:
Modulation Mode:
Nominal/ Peak Deviation:
Max. Input Level:
Frequency Set-Up:
Battery:
Dimensions (mm):
Weight:
521.25MHz ~ 936.85MHz
PLL Synthesized
5mW/30mW
0.5KHz
≤45dB
FM
±45KHz
Maximum input - 11dBv
IR Sync
AA x 2
Approximately 8 hours
50 (Φ) x 260 (L)
Approximately 330g (w/o battery)

P25 P26
UD-2 Desktop Gooseneck Microphone
Carrier Frequency Range:
Oscillation:
RF Output Power:
Carrier Deviation
Harmonic Radiation:
Modulation Mode
Gain Adjustment Range:
Frequency Set-Up
Battery
Dimensions (mm):
Weight:
521.25MHz ~ 936.85MHz
PLL Synthesized
10mW / 25mW
0.5KHz
FM
45KHz
10dB ~ +10dB
IR Sync
AA x 2
Approximately 8 hours
Microphone base: 141 x 115 x 48
Microphone tube: 430mm
Approximately 1Kg (w/o battery)
ET-50 Bodypack Transmitter
Carrier Frequency Range:
Oscillation:
RF Output Power :
Carrier Deviation:
Harmonic Radiation:
Modulation Mode:
Nominal/ Peak Deviation:
Max. Input Level:
Frequency Set-Up:
Battery:
Dimensions (mm):
Weight:
521.25MHz ~ 936.85MHz
PLL Synthesized
5mW/30mW
0.5KHz
≤45dB
FM
±45KHz
Maximum input - 11dBv
IR Sync
AA x 2
Approximately 8 hours
95 (H) x 65 (W) x 25 (D)
Approximately 80g (w/o battery)