Zhengzhou Ysair Technology FT11 Portable FM Transmitter Instruction Manual

June 4, 2024
Zhengzhou Ysair Technology

Zhengzhou Ysair Technology FT11 Portable FM Transmitter Instruction

Manual

Document

Power ON/OFF

【Power ON】
Slide power switch down, make the green part below of switch visible, the transmitter gets into work mode.
【Power OFF】
Slide power switch up, make the red part below of switch visible, the transmitter stops working.

Main Interface Operation

【Play/Pause】
In TF mode or computer sound adapter mode, a short press【  】button can play or pause audio.
【Previous】
In TF mode or compute sound adapter mode, short press【  】button to play the previous video.
【Next】
In TF mode or compute sound adapter mode, short press【  】button to play the next video.
【Volume】
Long press【  】button to decrease volume, Long press【  】to increase volume.
【Start up built-in microphone】
Hold and press on【  】button to turn on the built-in microphone. When you stop pressing the 【  】button, the microphone will shut off.
【Turn on-screen/Return】
Short press【  】butoon can light up the screen and back to the main interface.

FM Frequency Setting

【Frequency】
Short press【F】button continuously, until【1 Frequency】appears. Short press【 】or【  】button, the frequency will go forwards 100K each time;
Long press【  】or【  】button, the frequency will go forwards 1MHz each time.
【RF Power】
Short press【F】button continuously, until【2 RF Power】appears. Short press【 】button to increase power rate and short press【  】button to decrease power rate.
Attention:  In small area usage, for example, in the car, a low power rate mode is recommended.
【Bui lt in MIC】
Short press【F】button continuously, until【3 Built-in MIC】appears. Short press【 】or【  】button to go to built-in microphone setting mode.
◆【External MIC】means turning off the built-in microphone.
◆【MIC ON By Key】means turning on a built-in microphone.
◆【MIC Always ON】means the built-in microphone is ready all the time.

【Sound Channel】
Short press【F】button continuously, until【4 Sound Channel】appears. Short press 【  】or【  】button to set FM soundtracks.
【Pre-emphasis】
Short press【F】button continuously, until【5 Pre-emphasis】appears. Short press 【 】or【  】button to set FM pre-emphasis time.

MP3 Setting

【MIC VOL】
Short press【M】button continuously, until【1 MIC VOL】appears. Short press the 【 】button to increase mic volume. Short press【  】to decrease mic volume.
【MIC ECHO】
Short press【M】button continuously, until【2 MIC ECHO】appears. Short press the 【 】button to increase echo volume. Short press【  】to decrease echo volume.
【MIC Delay】
Short press【M】button continuously, until【3 MIC delay】appears. Short press the 【  】 button to increase mic delay. Short press【  】to decrease mic delay.
【EQ】
Short press【M】button continuously, until【4 EQ】appears. Short press【  】or【 】the button can set sound effects for the whole kit.
【Repeat】
Short press【M】button continuously, until【5 Repeat】appears. Short press【  】or 【 】button can set Mp3 cycle mode.

【BASS】
Short press【M】button continuously, until【6 BASS】appears. Short press【  】or【 】button can set BASS for the whole kit.
【TREB】
Short press【M】button continuously, until【7 TREB】appears. Short press【  】or【 】button can set the tone for the whole kit.
【Language】
Short press【M】button continuously, until【8 Language】appears. Short press【 】or【  】button can set Language for the whole kit.

Frequency Saving and Use Saved Frequencies

Turn out your wanted frequency, then the long-press the save button until the frequency button flashes. Thus, this frequency is saved. When you want to switch to this frequency next time, you just need to short press the save button to find it.

TF Card, Audio Input, USB Sound Card, Microphone

【TF Card Instal lation】
Put TF card in card slot, follow up the【Main Interface Operation】

【Audio Input play】
Connect this item to an audio source device with a 3.5mm audio cable. The main interface will display the connector icon. Thus, the connection is finished.
【USB Sound Card Display】
Connect this item to a computer with a USB cable. The main interface will display a computer icon. Thus, the connection is finished.
【Tip: Audio source priority】
Audio Input > USB Sound Card > TF Card
【External Microphone】
Put the external microphone connector to the transmitter’s micrograph main interface to display the microphone icon. It means the connection is successful.
【Tips: Microphone Priority】
External microphones > Built-in microphone
The external microphone must be a 3-step condenser microphone.

Charge

The transmitter can be charged when it is connected to a USB power supply device by USB cable.
Tips:  The item can be charged both in on and off mode.

CAUTIONS

  • Do not turn on the transmitter when its antenna is not installed.
  • Don does not use the transmitter in explosive environments such as gas stations and oil warehouses.
  • Please follow local laws and regulations when using this transmitter.
  • Repair of this transmitter can only be operated by professional technicians.

Technology Parameters

No. Index Data
1 Power 5V、1000mA
2 Battery Capacity 3.7V、2000mA
Battery Endurance FT11 ≤ 10h

TR504 ≤ 8h
4| Work Currency| FT11 < 200Ma
TR504 < 300mA
5| Frequency Stability| ± 10PPM
No| Index| Data
---|---|---
6| Frequency| 76~108Mhz
7| Frequency Step| 100KHz
8| Work Temperature| -10℃~ 45℃
9| Output Impedance| 50Ω
10 | RF Output Power Rate | FT11: 1mW~300mW
TR504: 10mW~600mW
11| Harmonic and Noise Wave| ≤ -30dB
12| TF Card Capacity| ≤64G
13| Audio Format| FLAC、 WAV 、 PCM、 WMA、 MPS
14| Audio Distortion| 0.1%
15| Response Frequency| 30Hz ~ 15000Hz
16| Isolation| ≥ 40dB
17| Input Electric Potential| ≤ -15~15dBV
18| Frequency Offset| ± 75KHz
19| SNR.| ≥ 70dB
20| Item Size| 995815mm
21| Item Weight| 76g

FCC Statement

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.

Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment.
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.
RF Exposure Information
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

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