This manual introduces the basic use methods of CL230 handheld transceiver, including power on/off, transmission, reception, channel selection, transmit power selection, scanning, priority channel scanning, monitoring function, emergency call function, LCD backlight continuous on or off, keyboard lock, computer programming, mobile phone self-programming, cloning function, etc.
The CL230U hand‑held walkie‑talkie manual provides a complete overview of the device, its control keys, display indicators, and general operating procedures such as power on/off, transmitting, receiving, channel selection, power settings, scanning, priority scanning, monitoring, and emergency call functions.
It also details battery installation and removal, charging instructions, CTCSS/DCS programming tables, technical specifications, and safety precautions. An English version of the manual is included for reference. This manual is written in Chinese.
| Frequency Range | 400‑470 MHz |
|---|---|
| Number of Channels | 128 |
| Channel Spacing | 12.5 kHz / 25 kHz selectable |
| Operating Voltage | 7.4 VDC |
| Modulation | FM |
| Dimensions (W×H×D) | 103 mm × 56 mm × 40 mm |
| Weight (including battery) | 250 g |
| Transmitter Output Power | 4 W – 1 W |
| Frequency Stability | ±2.5 ppm (‑30 °C ~ +60 °C) |
| Spurious and Harmonics | ≥62 dB |
| Hum and Noise | 38 dB |
| Audio Distortion | ≤3 % |
| Audio Frequency Response | +3 dB / ‑3 dB from 300 Hz to 3000 Hz |
| Receiver Sensitivity (12 dB SINAD) | 0.2 µV (‑120 dBm) |
| Squelch Sensitivity (Threshold) | 0.158 µV (‑123 dBm) |
| Selectivity | 62 dB |
| Intermodulation Rejection | 62 dB |
| Audio Output Power | 0.5 W into 8 Ω |
Align the top of the battery with the radio’s compartment and slide it upward until a click is heard, indicating the battery is fully engaged.
When held for about three seconds, it sends a DTMF identity code and an alarm tone to other radios while the device itself remains silent; the LCD shows “EMERGEN”.