KRIEG KTR2 UHF Wireless Microphone System User Manual

KTR2 UHF Wireless Microphone System
User Manual

UHF WIRELESS MICROPHONE SYSTEM CAMERA AND INSTRUMENTS
Thank you for your choosing our products. Please do read this manual carefully before use.

REMINDER

Please do read this manual carefully before using it. Wireless microphones can scatter radio energy, please do follow the instruction to install and operate in the case causing harmful influence. Do abide by local radio regulations when using wireless microphones. We can offer you a frequency of 660-960 MHz products, and please choose a specific range according to local radio regulations; otherwise, you will take full responsibility of all consequences.

BRIEF INTRODUCTION

We develop this high-quality microphone system for better and more convenient use for customers, to expand the activity space of users. Compact receiver and wireless saxophone transmitter, easy operation, powerful functions are very suitable for personal live stream, interview, etc.

MAIN FEATURES

*Use for live stream, interview (double users), recording (phone, camera, PC, DV, etc), monitor, etc.

• Single chips designed, 15 channels for selecting.
• Lithium battery, for long use.
• Ideal distance: 30 meters in open space.
• Support 2 ways input or output.

III. RECEIVER, TRANSMITTER PARTS & PAIRING OPERATION

1. Receiver

1. 3.5mm Port: (1)Audio output;
2. Earphone output;
3. Record to phone, camera, PC, DV, etc;

2. Power Switch/PairingNOL+:

1. Click once to boot up;
2. Long press to shut down;
3. Long press to enter the Pairing setting when the device is shut;
4. Click to increase VOL when working state (0-10 degrees, no display, but the indicators will flash once when in max VOL.)

3. VOL-:Click to reduce VOL when in working state (0-10 degrees, no display, but the indicator will flash once when in min VOL.)

4)LED Indicator:

1. Device is on: LED_1 keeps red;
2. Receiving state: shows recent channel, LEDs keep green;
3. Pairing setting: LED_1 flash red and green alternately, then turns green when Pairing successfully;
4. Low power: LED_1 keeps flashing red, it only shows low power but no others in this state;
5. Current channel LEDs flash once when pressing VOL+ or VOL- in the state of max or min VOL; VOL+ or VOL- can be used only in the state of receiving.
6. Charging state: LED flashes red by sequence when charging; All LEDs are green when fully charged. The device can’t work when charging.

5)Charging Port:

1. For earphone monitoring, its volume is double a 3.5mm port;
2. For charging;

6)Receiving Antenna;

2. Transmitter

1. 3.5mm Port: microphone input; 2)Power Switch/Pairing:
2. Click once to boot up;
3. Long press to shut down;
4. Long press to enter the Pairing setting when the device is shut;

3. Unlock/Channel Select:

1. Click once to exit when in the Pairing setting;
2. Long press to unlock when in working state, it will auto-lock when no operation;
3. Click to switch the channel in unlock state.

4)LED Indicator

1. Normal working state: current channel LEDs are green;
2. Unlock state: current channel LEDs flash;
3. Pairing setting: LED_1 flash red and green alternately, manually exit the setting by clicking ;
4. Low power: LED_1 keeps flashing red, it only shows low power but no others under this state;
5. Charging state: LED flashes red by sequence when charging; All LEDs are green when fully charged. The device can’t work when charging.

3. Channel Select LED Groups Diagram
15 channels for selecting, LED groups on receiver and transmitter as below. 4. Pairing Setting
Long press power switch until LED_1 flashing red and green alternately, then lose switch. Pairing is successful when receiver LED_1 turns and keeps green, then click the CH button once on the transmitter to exit the Pairing setting, the LED stop flashing, and finally, the device can properly work.
(NOTE: Device can be continually used after done successfully paring once.)
5. Switch Channel Operation
In the state of receiver and transmitter successfully SNYC, long-press CH button on the transmitter to unlock the device, change the frequency by pressing the button once when LED flashing each time; After finishing selecting channels 6 seconds, LED stops flashing and device locks this channel.

IV. RECEIVER, TRANSMITTER ACCESSORIES

OPTIONAL

V. TECHNIQUE SPECIFICATION

COMPREHENSIVE PER
CARRIER FREQUENCY: UHF 660-690 MHz
FREQUENCY STABILITY: <± 3Oppm
DYNAMIC RANGE: >90dB
HARMONIC DISTORTION: < 0.5%
FREQUENCY RESPONSE: 40Hz —15KHz ±3dB
AUDIO OUTPUT: (03.5mm : 250mV @100mV 1KHz ZUSB : 500mV @100mV 1KHz
RECEIVER
SIN RATIO: >90dB
FAKE INTERFERENCE THAN : >80dB
ADJACENT WORD INTERFERENCE THAN : >80dB
RECEIVING SENSITIVITY : >10 dBu(Sinad=30dB)
CONTINUOUS USING TIME: 6 hour
POWER SUPPLY: VOLTAGE 5V CURRENT >500mA
TRANSMITTER
TRANSMITTER POWER: 30mW
MODULATION TYPE : DQPSK MAX DEVIATION : 40dB
CONTINUOUS USING TIME: 6 hour
POWER SUPPLY: VOLTAGE 5V CURRENT >500mA

WARNING

**** WARNING

• Do place receiver in open space, so that it can receive signal better;
• Do not throw the device;
• Do not place the device under rain or drop it into the water;
• Keep the device away from sunshine or electromagnetic field;
• Do insert batteries in the right way, and remove them if the device is idle for a long time;
• Cut off the power supply before battery replacement;
• Pull out the power adaptor from the power supply if the receiver is idle for a long time;
• Do not take apart the device without permission, in case users are injured;
• The device doesn’t contain any part for self refitting, otherwise, the warranty will be void;
• Use a soft cloth to clean the device, if there’s any stubborn stain, clean it with neutral detergent but not volatile gasoline or thinner;
• Keep at least 30CM space around the device for better ventilating;
• Do not cover the ventilation hole with paper, tablecloth, or curtain;
• Do not put fire on a device like a burning candle;
• Keep the device away from water drops, or any container with a liquid-like vase;
• Do not use new and old batteries at the same time, besides, replace them with the same kind of batteries; Discarding batteries in a specific recycling bin;
• Working temperature: 5° C- 60° C;

Please try the below methods to solve the interfered problem when using wireless microphones
Adjust the place or direction of the antenna;
Keep away from radio or TV; Do not plug in the same electrical socket outlet with the radio or TV;
The best angle is 45° for the mouth and microphone when speech, in order to reduce effect of airflow from the mouth;
Use 1 microphone when 1 sound input, otherwise sound will be mixed;
Keep a distance between mouth and microphone less than 15CM because of cardioid pickup, otherwise bass is not good;

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