The Oscal PM400 is a rugged and reliable mobile phone designed for durability and essential communication. It features a long-lasting battery, loud speaker, flashlight, FM radio, dual SIM support, and basic multimedia functions. Below are key sections for safety, features, setup, operation, and troubleshooting.
Key components: Rugged body, large keypad, backlit display, loudspeaker, flashlight, FM radio, microSD card slot, and dual SIM support.
| Feature | Description |
|---|---|
| Rugged Design | Shock-resistant and dustproof for outdoor use |
| Long Battery Life | High-capacity battery for extended standby and talk time |
| Loud Speaker | Enhanced volume for clear calls and FM radio |
| Flashlight | Built-in LED for illumination in dark environments |
| FM Radio | Listen to FM stations without headphones (loudspeaker mode) |
| Dual SIM | Use two SIM cards simultaneously |
| MicroSD Slot | Expand storage for photos, music, and files |
| Basic Camera | Capture photos and videos |
| SOS Function | Quick emergency alert with preset contacts |
| Large Keypad | Easy-to-press buttons with tactile feedback |
Unpack and inspect contents. Ensure all parts are present.
WARNING! Use only approved charger. Do not expose phone to extreme temperatures.
Power on phone; follow on-screen prompts for language and time setup.
CAUTION! Keep phone away from water despite rugged design. Avoid dropping from excessive heights.
Physical Keys: POWER/END, CALL, SOS, Flashlight shortcut, Volume keys, Camera shortcut.
Navigation: Use directional pad (Up/Down/Left/Right) and OK key to navigate menus.
Quick Functions: Press and hold SOS for emergency alert; press flashlight key to toggle light; press camera key to launch camera.
Press MENU key to access main menu. Navigate with directional keys, select with OK.
Tip: Use shortcuts (number keys) to quickly open menu items.
Supports music, photos, videos, and FM radio.
WARNING! Do not use flash directly into eyes. Keep volume at safe levels.
Access Settings via menu. Profiles: General, Silent, Meeting, Outdoor. Display: Brightness, backlight time, wallpaper. Sound: Ringtone, volume, keypad tone. Security: SIM lock, phone lock, reset settings. Network: Select SIM for calls/data, network search.
Use dry cloth to clean phone. Avoid liquids, extreme heat, or cold.
CAUTION! Do not disassemble phone. Use only original accessories.
Complies with relevant FCC and CE standards. Contains transmitter module compliant with Part 15. Copyright © Oscal. For support, visit www.oscal.com or contact customer service.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Phone won't power on | Battery drained/faulty | Charge battery; ensure battery inserted correctly; try different charger. |
| No network signal | SIM not inserted/network issue | Reinsert SIM; check network coverage; enable flight mode and disable. |
| Cannot make/receive calls | Call barring/airplane mode | Disable call barring; turn off airplane mode; check SIM balance. |
| Poor sound quality | Volume settings/speaker blocked | Increase volume; clean speaker mesh; check for obstructions. |
| Battery drains quickly | Background apps/battery age | Reduce screen brightness; turn off unused features; replace battery if old. |
| FM radio not working | No earphones plugged in | Plug earphones (acts as antenna); ensure radio is tuned to station. |
Reset: Settings > Restore Factory Settings (backup data first).
Service: Contact Oscal support or visit authorized service center.