5 The red LED (Tx)
lights up, but no
sound is heard
A. The power module is broken, so there is not power output.
Please change it.
B. The microphone is broken, please change it.
6 The green LED (Rx)
lights up, but no
sound is heard.
A. The speaker is broken, please change it.
B. the audio amplifier is broken, please change it.
9. Major Specifications
General Specification PT568
Frequency 136-174MHz, VHF PT568-01
400-450MHz, UHF PT568-02
420-470MHz. UHF PT568-03
Channel number 16
Channel spacing 25kHz(broadband)/12.5kHz(narrowband)
Dimension(L×W×H) 111mm×52.5mm×33.5mm
Weight 249g(including battery and antenna)
Operating temperature -25℃~+55℃
Receiving sensitivity ≤0.28μV
Frequency stability 2.5ppm
Tx power 4W (UHF), 5W(VHF)
Max. frequency deviation ±2.5KHz(narrowband)/ ±5KHz(broadband)
Max. audio power ≥1000mW
Power supply DC7.4V
10. FCC Notice
Your KIRISUN radio generates RF electromagnetic
energy during transmit mode. This radio is designed for and classified as “Occupational Use
Only”, meaning it must be used only during the course of employment by individuals aware of the
hazards, and the ways to minimize such hazards. This radio is NOT intended for use by the
“General Population” in an uncontrolled environment.
This radio has been tested and complies with the FCC RF exposure limits for “Occupational Use
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