Czerf CZH-7C User manual

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CZH-7C PLL FM Transmitter
1/5Watt Output Power Setting
Mode: CZH-7C
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Step 1:
First press and hold the power switch " ",
and then insert the power plug to the power jack "
".
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Step 2:
Release the power switch "
" after 3 seconds , LCD screen shows the "H" or "L". Through the
"+/_" switch "H/L".
Press "+", LCD screen display "H", Press "-" LCD screen display "L".
"H" is the output power 5-6Watt, "L" is the output power 1-1.5Watt.
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Step 3:
Press the power switch " " confirm settings, The LCD screen display "108.00MHz". This is
the highest frequency of use, Through the "+/_" can be changed it. Don't arbitrarily adjust.
Again press the power switch " " confirm settings, The LCD screen display "87.00MHz". This
is the lowest frequency of use, Through the "+/_" can be changed it. Don't arbitrarily adjust.
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Power Output:
1-1.5Watt/5-6Watt
FM Transmitter Frequencies:
87-108Mhz
Tuning Step:
100Khz/0.1Mhz
Power Supply:
12V DC (The current load of power supply should over 2A)
Stability of Frequency:
±0ppm（-10℃~+50℃）
Frequency Response:
100 - 15000Hz
Signal to Noise Ratio:
>70dB
Distortion:
< 0.5%
Operation Time:
True 24/7
Antenna Design:
Rubber Antenna(1Watt) / GP Antenna(1Watt/5Watt)
Antenna Connector:
BNC type
Output Impedance:
50 ohm
Audio Input Connector:
3.5mm headphone connector
Mic Input Connector:
3.5mm headphone connector (Use condenser microphone)
Tuning Design:
Stable PLL Technology
Size of Transmitter Unit:
L:129mm, W:96mm, H:55mm
Weight of Transmitter Unit:
450g
Transmission Signal:
FM Stereo
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Step 4:
Press the power switch " " confirm settings, after 3 seconds , The LCD screen display "OFF".
Again press the power switch " " , The transmitter Start working.
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Technical target:
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