FMUser ST-2815FM User manual

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FMUSER CZH CZE ST-2815FM
transmitter User Manual
ST-2815 shell is made of aluminum 1U crate, imported ball bearing
cooling fan, product was improved not only sound quality but also
integrated thermal stability, all wiring back, Panel simple, elegant,
and easy to understand.
In addition to the FM frequency transmitting function, also
equipped with a wireless microphone, users can use both function
simultaneously or single-use, which can use the transmitter, and
available wireless microphones, more practical.
The machine’s power can be adjusted 2W, 8W, 15W three power
options;
The main technical indicators:
Power supply voltage 12V
Operating Current 4A
Frequency range 88 ~ 108 MHz center frequency of
98MHZ
Frequency Step value: 100 kHz
Frequency stabilization mode PLL PLL frequency synthesizer
Frequency stability ± 10ppm (-10 C +60 ° C)
Frequency Modulation ≤±75kHz (100%)
Work continuous work
Clutter and harmonic ≤-60dB
SNR ≥60dB
stereo separation -50dB
Audio Frequency Response 80 ~ 15000Hz
Audio Distortion <2%
modulation 15%
input level -15dBV (adjustable)
RF Output Impedance 50 Ohms
RF output power 2W, 8W, 15W
Reference range 2Km-10Km (open land)
machine size 485 * 220 * 450MM( including
front panel protrusions )
Total Weight 1.35KG

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Panel Description:
1 Display screen 2 Transmitter switch bottom
3 Frequency adjustment 4 Audio volume adjustment
5 Mic volume adjustment 6 Wireless Mic power light
7 Wireless mic signal light 8 Sound source
9 Wireless mic volume
adjustment 10 master switch bottom
1 Wireless mic power 2 Wireless mic antenna socket
3 Mic power socket 4 Fm power socket
5 Wireless mic audio output 6 Mic input
7 Audio input 8 Fm Lotus input
9 Fan 10 FM antenna

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Instructions for use
1 Connect the power FM transmitter master switch button lights up in blue, press
down,the display shows OFF,then the transmitter is ready state, not affected by
this wireless microphone power switch control. When the display shows OFF,
press the red button panel, the transmitter power ofwork,two green buttons
can be adjusted up and down frequency. Two green buttons next to each knob on
the input source,MIC audio volume adjustment.
2 Connect the MIC power, the rear panel MIC ON / OFF switch'-' press down,
then the front panel power wireless MIC lights, open microphone transmitter, RF
lights, speaking into the microphone, MIC intensity of light according to sound
size andcontinuity of lights, next to the knob and entered in pole can adjust the
volume knobMIC, MIC wireless rear panel audio output interface can be
transferred to the wireless MIC sources other external devices.
Note:
1. Whenyou shutdown the machine, first switchoff the transmitter,then the
transmitter offthe master switch.
2. Whenyou use a wireless microphone, Set your mic volume control knob to
open first (can not hit the maximum position, may be appropriate, such as

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mid-range position), and then adjust the wireless MIC volume control to adjust
the volume key button transmitter output, such as wireless MIC function when
used alone, in a very wired microphone adjustment knob is invalid.
3. Before start, first connect the antenna, including transmitters, wireless MIC
antenna.