PRECAUTIONS 1. Refer service io qualified technicians only. 2. Do not disassemble or modify the transceiver {or any reason. 3. Do not expose the transceiver under direct sunlight long lime of 10 extremely hot condition. 4. Do not place the transceiver on the unstable surface. 5. Keep the transceiver out of dust, moisture, and water. 6. Do nol operate the transceiver of charge the battery pack under explosive conditions.