This document is the user manual for NEC N850 first edition (April 2005), providing information on the precautions for using the phone and emergency phone services. The manual advises users to keep the phone dry, avoid exposure to extreme temperatures, prevent the phone from being impacted or squeezed forcefully, and pay attention to battery usage and recycling. Additionally, the manual reminds users to turn off the phone and remove the battery while on an airplane.
This manual provides safety guidelines, emergency call procedures, and usage instructions for the NEC N350 mobile phone. It covers handling precautions, battery care, and restrictions for use in aircraft, hospitals, and vehicles.
The document also includes a preparation guide, menu shortcut key reference, and a repair service section with contact information for authorized NEC service centers. This manual is written in Chinese.
Press 112 on the keypad to dial the emergency number.
No – the phone must be turned off and the battery removed before boarding an aircraft.
Clean the SIM card contacts with a soft cloth and re‑insert the card.