Sony DSX-S310BTX Car Stereo Manual

The Sony DSX-S310BTX is a single-DIN digital media receiver featuring Bluetooth connectivity for hands-free calling and audio streaming, USB input for iOS/Android devices, AM/FM tuner with 18 FM/12 AM presets, front auxiliary input, 4 x 55W high-power output, customizable illumination (red/white/green), EQ7 sound settings, and steering wheel remote control compatibility. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Bluetooth Operation 8. USB & Media Playback 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital media receiver, Remote Control, Wiring harness, USB port, AUX input, Bluetooth antenna.

Feature	Description
Bluetooth	Hands-free calling & audio streaming (A2DP/AVRCP)
USB port	For iPhone/iPod/Android devices & USB storage
AUX input	3.5mm front panel auxiliary input
AM/FM tuner	18 FM & 12 AM station presets
Power output	4 x 55W max (20W RMS)
Illumination	3-color (red/white/green) customizable display
EQ7	7-band equalizer with preset sound profiles
Steering wheel control	Compatible with Sony RM-X4S remote (sold separately)
Source	Switches between Tuner, USB, BT Audio, AUX
Power/VOL	Power on/off & volume control knob

Installation

Unpack and inspect contents. Ensure vehicle is off and battery disconnected.

Remove existing stereo: Use vehicle-specific removal tools.
Connect wiring harness: Match colors (red-ignition, yellow-battery, black-ground).
Connect antenna adapter: Plug into vehicle antenna cable.
Mount receiver: Slide into DIN slot until securely locked.
Reconnect battery and test functions.

WARNING! Disconnect vehicle battery before installation to prevent short circuits. Secure all wiring away from moving parts.

First-Time Setup

Power on unit; follow initial prompts.

Set clock: Press SOURCE to enter menu, select CLOCK SET.
Pair Bluetooth: Enable BT on phone, select "Sony DSX-S310BTX" from device list.
Program radio presets: Tune to station, press and hold preset button (1-6).
Adjust illumination: In SETUP menu, select DISPLAY COLOR.
Configure audio: Use AUDIO menu for EQ7, loudness, fader/balance.

CAUTION! Perform setup only when vehicle is parked. Do not adjust while driving.

Specifications

Chassis Size: Single-DIN (178mm x 50mm).
Bluetooth: Version 3.0, HFP 1.5, A2DP 1.2.
Audio: 4-channel, 55W max per channel (20W RMS).
Tuner: FM/AM with 30 presets total.
Inputs: USB (Type A), 3.5mm AUX, microphone input.
Outputs: Front/Rear/Sub pre-outs (2V).
Display: Monochrome LCD with adjustable dimmer.
Power Supply: 12V DC, negative ground.
Operating Temp: -20°C to +60°C (-4°F to +140°F).

Controls and Settings

Access menus via SOURCE button. Front Panel: POWER/VOL knob, SOURCE, BAND, AUX, USB port, microphone.

Remote: POWER, VOL +/- , MUTE, SOURCE, TRACK/PRESET, PLAY/PAUSE, CALL (BT).

Audio Settings: EQ7 (FLAT, POWER, VOCAL, CUSTOM), LOUDNESS (ON/OFF), FADER/BALANCE. Bluetooth: Pairing list, auto connection, phonebook access. System: CLOCK, DISPLAY (DIMMER, COLOR), BEEP (ON/OFF), RESET. Tuner: LOCAL/DX, ASM (Auto Store Memory).

Connecting Devices

USB: Connect iPhone/iPod/Android or USB drive. AUX: 3.5mm cable to front input. Bluetooth: Pair mobile device.

Turn off vehicle ignition before connecting cables.
For USB: Use certified cable; insert fully into port.
For AUX: Set source to AUX; adjust volume on both devices.
For BT: Ensure phone BT is discoverable.

Tip: Use high-quality USB cables for reliable data transfer and charging.

Bluetooth Operation

Supports hands-free calls and audio streaming.

Pairing: First-time: Go to BT SETTINGS > PAIRING. Subsequent: Auto-connects when BT on.
Calls: Incoming call—press CALL button; end call—press again. Dial from phonebook via unit.
Audio streaming: Select BT AUDIO source; control playback (play/pause/skip) from unit or phone.
Disconnect: Turn off BT on phone or select BT OFF in menu.
Multiple devices: Supports one active connection; pair up to 5 devices.

WARNING! Do not operate phone or adjust BT settings while driving. Park safely first.

USB & Media Playback

Supports MP3, WMA, AAC audio files from USB.

Insert USB: Connect device to front USB port.
Play: Auto-plays or press PLAY; navigate folders with TRACK buttons.
Modes: Repeat (ONE/ALL), Shuffle (ON/OFF).
Charging: Charges connected USB devices (max 1.5A).
iPod/iPhone: Supports control via USB (playlists, artists, albums).

Note: Format USB drive as FAT32. Some file types (FLAC, ALAC) not supported.

Care & Cleaning

Disconnect battery before cleaning. Use soft, dry cloth; avoid solvents.

CAUTION! Do not use abrasive cleaners on display. Keep liquids away from USB/AUX ports.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. ICES-003: Complies with Canadian EMI standards. Bluetooth® is a registered trademark of Bluetooth SIG, Inc. Copyright © Sony Corporation. For support, visit www.sony.com/electronics/support or contact 1-800-222-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Wiring/ignition	Check fuse (10A); verify red/yellow wires connected to 12V; ensure ground secure.
Bluetooth not pairing	Phone settings/distance	Delete old pairing; ensure phone discoverable; stay within 3 ft during pairing.
USB not recognized	Format/cable	Reformat USB to FAT32; try different cable; check for compatible files.
Poor radio reception	Antenna connection	Ensure antenna adapter fully seated; check antenna cable for damage.
No sound from speakers	Wiring/settings	Verify speaker wires connected; check fader/balance settings; ensure mute off.

Reset: Hold SOURCE while turning power on to factory reset.

Service: 1-800-222-7669; www.sony.com/electronics/support