TouchTunes Interactive Networks TT-7220 WIRELESS MICROPHONE User Manual

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Document ID	3737624
Application ID	kqeyTNeI3oQ3CSDfMc/FFw==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	34.32kB (429007 bits)
Date Submitted	2018-02-02 00:00:00
Date Available	2018-02-02 00:00:00
Creation Date	2017-08-30 09:04:18
Producing Software	Corel PDF Engine Version 14.0.0.701
Document Lastmod	2017-08-30 09:04:40
Document Title	TT-7220说明书--仅用于FCC认证用
Document Creator	CorelDRAW
Document Author:	Administrator

WIRELESS MICROPHONE
TT-7220
USER MANUAL
TT-7220
UHF Wireless Microphone
TT-7220
UHF Wireless Microphone
Welcome to use series wireless microphone TT-7220, in order to exert the best performance of
Operating Instruction
this product, please read the user manual detailedly before using it.
Front Side
Features
① Volume Adjustment Knob A: to adjust the output volume
·UHF frequency band features interference-free reception
of the receiver
·Long operating range up to 50 meters in open area
② RF Signal Indicator A: indicate the receiving signal
·Transmitter features excellent audio companding circuit and high quality cardioid capsule for best sound quality
③ RF Signal Indicator B: indicate the receiving signal
TT-7220
VOL A
VOL B
UHF WIRELESS MICROPHONE
and maximum feedback rejection
④ Volume Adjustment Knob B: to adjust the output
③
②
·Powered by 2pcs of 1.5V batteries for convenient use
①
volume of the receiver
④
·Advanced pilot frequency lock function can better avoid interference and eliminate the on/off impulsive noise
·Balanced(XLR)and unbalanced (6.3mm) output for convenient connection with various audio equipment
·Receiver adopts quartz frequency multiplication fixed frequencies for simple and convenient use
Rear Side
⑤ Antenna B
Specification
⑥ XLR Balanced Output Socket B
Frequency Range: 911.05MHz-927.05MHz
THD: ＜0.5％
Frequency Control: PLL/ Quartz Frequency multiplication
Receiving Sensitivity: -80dBm
⑦ 6.3MM Unbalanced Output Socket
Made in China
ON
12V 500mA
I/O
ANT. B
⑧ XLR Balanced Output Socket A
ANT. A
OFF
Frequency Steadiness: ±0.005％
Dynamic Range: ＞100dB
Modulation Mode: FM
Receiver Audio Output: unbalanced + balanced
Number of Channels: fixed frequency
Transmit Power:
Receiving Mode: dual conversion
Transmitter Power Supply: 3V(2pcs 1.5V batteries)
Frequency Response: 60Hz-15kHz
Transmitter Battery Play Time: approx. 10hrs (depending
11 Antenna A
Max. Frequency Deviation: ±45kHz
on the battery)
12 RJ45 connector
BAL OUT B
UNBALANCED OUT
BAL OUT A
9 Power Button: press the button to “ON” position,
the receiver is turned on
1mW
⑤
⑥
⑦
⑧
12
⑩ DC Power Input Port: to connect with the power
⑩ 11
adaptor
Operating Range: 50m in open area
S/N Ratio: ＞80dB
Operating Temperature: -20℃~60℃
Handheld Microphone
Product Content
1pc
2pcs
TT-7220
Receiver
Handheld Transmitter
Application
13
• Campus meeting, entertainment host, speech, karaoke
13
14
Power Indicator: when the LED indicator keeps on green, it means the battery power is normal; when the green
LED indicator is flickering, it means the battery power is low and need to replace timely
14
Power Switch: push the switch to “ON” position, the transmitter is turned on and the power indicator lights up
TT-7220
UHF Wireless Microphone
Operating Instruction
1. Connect the output end of the standard power adaptor to the receiver DC power input port ⑩, and connect the other
end to the AC power socket
2. When connecting the receiver unbalanced audio output socket ⑦ or balanced “XLR” output socket ⑥/⑧ to the input
FCC warning 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.
socket of the amplifying device, please turn down the volume of the amplifying device first
3. Then turn on the power switch ⑨ on the rear side of the receiver
4. Open the handheld transmitter tail pipe or the battery cover of the body-pack transmitter, put in 2pcs AA batteries
Changes or modifications not expressly approved
by the party responsible for compliance could void the
user's authority to operate the equipment.
5. Turn on the power switch 14 of the handheld transmitter the indicator turns green, transmitter is turned on)
6. Please adjust the volume adjustment knob ①/④ in front of the receiver for the desired sound effect
7. When installing the receiver, keep an appropriate distance away from the metal surface, walls and other RF devices
Notice
1. Acoustic feedback (howling) prevention
Turn down the volume and do not point the microphone at the speaker, keep an appropriate distance between the
microphone and the speaker, and do not cover the microphone headcase with your hand
2. When the microphone is close to the sound source, it will generate the near-field effect (low frequency response is
enhanced), if it is used properly, it can make the low-frequency sound effect more full and soft
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.

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