Oscal PM400 User Manual

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.

1. Features at a Glance 2. Getting Started 3. Basic Operations 4. Specifications 5. Phone Controls and Functions 6. Using the Menu 7. Multimedia Features 8. Settings and Customization 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Rugged body, large keypad, backlit display, loudspeaker, flashlight, FM radio, microSD card slot, and dual SIM support.

FeatureDescription
Rugged DesignShock-resistant and dustproof for outdoor use
Long Battery LifeHigh-capacity battery for extended standby and talk time
Loud SpeakerEnhanced volume for clear calls and FM radio
FlashlightBuilt-in LED for illumination in dark environments
FM RadioListen to FM stations without headphones (loudspeaker mode)
Dual SIMUse two SIM cards simultaneously
MicroSD SlotExpand storage for photos, music, and files
Basic CameraCapture photos and videos
SOS FunctionQuick emergency alert with preset contacts
Large KeypadEasy-to-press buttons with tactile feedback

Getting Started

Unpack and inspect contents. Ensure all parts are present.

  1. Insert SIM cards: Power off phone, open back cover, insert SIMs into slots.
  2. Insert battery: Place battery with contacts aligned, secure back cover.
  3. Charge phone: Connect charger to phone and AC outlet; charge fully before first use.
  4. Power on: Press and hold POWER key until display lights up.

WARNING! Use only approved charger. Do not expose phone to extreme temperatures.

Basic Operations

Power on phone; follow on-screen prompts for language and time setup.

  1. Make a call: Enter number with keypad, press CALL button.
  2. Answer a call: Press CALL button or OK key when ringing.
  3. End a call: Press END/POWER key.
  4. Send SMS: Go to Messages > Create New, type message, select recipient, send.
  5. Access contacts: Press Contacts key or navigate via menu.

CAUTION! Keep phone away from water despite rugged design. Avoid dropping from excessive heights.

Specifications

Phone Controls and Functions

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.

Using the Menu

Press MENU key to access main menu. Navigate with directional keys, select with OK.

  1. Phonebook: Store, edit, search contacts.
  2. Messages: SMS, MMS, draft, inbox, outbox.
  3. Call Records: Missed, dialed, received calls.
  4. FM Radio: Tune stations, save presets, loudspeaker/earphone mode.
  5. Multimedia: Music player, photo viewer, video player, recorder.
  6. Tools: Calculator, calendar, alarm, stopwatch.
  7. Settings: Phone, network, sound, display, security.

Tip: Use shortcuts (number keys) to quickly open menu items.

Multimedia Features

Supports music, photos, videos, and FM radio.

  1. Music Player: Play MP3 files from microSD. Use play/pause, skip, volume controls.
  2. Photo Viewer: View JPEG images; set as wallpaper.
  3. Video Player: Play 3GP/MP4 videos.
  4. Camera: Take photos/videos; adjust settings via options.
  5. FM Radio: Plug earphones (as antenna), tune stations, save up to 10 presets.
  6. Recorder: Record voice memos; save to microSD.

WARNING! Do not use flash directly into eyes. Keep volume at safe levels.

Settings and Customization

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.

Care & Maintenance

Use dry cloth to clean phone. Avoid liquids, extreme heat, or cold.

CAUTION! Do not disassemble phone. Use only original accessories.

Regulatory Information

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.

Troubleshooting

SymptomPossible CauseCorrective Action
Phone won't power onBattery drained/faultyCharge battery; ensure battery inserted correctly; try different charger.
No network signalSIM not inserted/network issueReinsert SIM; check network coverage; enable flight mode and disable.
Cannot make/receive callsCall barring/airplane modeDisable call barring; turn off airplane mode; check SIM balance.
Poor sound qualityVolume settings/speaker blockedIncrease volume; clean speaker mesh; check for obstructions.
Battery drains quicklyBackground apps/battery ageReduce screen brightness; turn off unused features; replace battery if old.
FM radio not workingNo earphones plugged inPlug 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.

Oscal PM400 User Manual © - All Rights Reserved 2025