This is a user manual that introduces the basic functions and usage methods of the phone.
This guide covers everything you need to start using the Casio C751 Ravine mobile phone, from hardware overview and button functions to menu navigation and feature activation. It includes detailed sections on the phone’s display, keys, camera, battery, and accessories such as headsets and memory cards.
The manual also explains how to make and receive calls, send messages, manage contacts, use multimedia functions, and access safety and regulatory information. Each chapter provides clear, illustrated instructions to help both new and experienced users operate the device confidently.
| Memory Card Slot | microSD (sold separately) |
|---|---|
| Battery Cover Lock | present |
| Camera Flash / Flashlight | integrated |
Press and hold the End/Power Key to turn the handset on or off.
Press the Send Key to place or answer a call.
Insert a microSD memory card into the Memory Card Slot.