Sony URX-P03D Radio User Manual

The Sony URX-P03D is a professional-grade UHF wireless receiver designed for broadcast, film, and live sound applications. It features true diversity reception, advanced audio processing, remote control capability, and compatibility with Sony's digital hybrid wireless system. 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. Operating Modes 8. Advanced Functions 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Dual UHF antenna inputs, LCD display with backlight, XLR and 1/4" audio outputs, DC power input, remote control port, headphone jack.

Feature	Description
Frequency Range	470-960 MHz (region dependent)
Diversity System	True diversity with two independent tuners
Audio Outputs	XLR balanced and 1/4" unbalanced
LCD Display	Backlit for low-light conditions
Remote Control	Compatible with RMU-10 remote controller
Power Supply	12V DC input (external adapter included)
Headphone Jack	3.5mm stereo for monitoring
POWER Button	Turns receiver on/off
MENU/SELECT Knob	Navigates and selects menu options
SQUELCH Control	Adjusts noise gate threshold

Installation

Unpack and inspect contents. Place on stable surface or mount in rack.

Connect antennas: Attach UHF antennas to ANT A and ANT B connectors.
Connect audio outputs: Use XLR or 1/4" jacks to mixer/recorder.
Connect remote control: Attach RMU-10 to REMOTE port if needed.
Plug DC power adapter into power input and wall outlet.

WARNING! Ensure proper ventilation if rack mounting. Do not block ventilation slots.

First-Time Setup

Power on receiver; follow on-screen prompts.

Select frequency group: Press MENU, navigate to FREQUENCY, select appropriate group for your region.
Sync with transmitter: Use SYNC function to automatically match transmitter frequency.
Set audio levels: Adjust output level using AUDIO menu for optimal signal.
Configure squelch: Set SQUELCH to eliminate noise when signal is weak.

CAUTION! Use only Sony-approved power adapter. Incorrect voltage may damage unit.

Specifications

Frequency Range: 470-960 MHz (UHF).
Modulation: Digital hybrid modulation.
Audio Output: Balanced XLR (max +24 dBu), unbalanced 1/4" (max +18 dBu).
Dynamic Range: >110 dB (typical).
THD+N: <0.05% @ 1 kHz.
Power Requirements: 12V DC, 1.5A.
Operating Temperature: 0°C to 40°C (32°F to 104°F).
Dimensions: 210 x 44 x 193 mm (W x H x D).
Weight: 1.2 kg (2.65 lbs).

Controls and Settings

Access menu via MENU/SELECT knob. Front Panel: POWER, LCD display, headphone jack, MENU/SELECT, SQUELCH control.

Remote (RMU-10): POWER, frequency selection, group/channel navigation, audio level, sync function.

Menu Options: Frequency selection, group/channel, audio output level, squelch level, LCD contrast, backlight timeout, RF level display, pilot tone settings. Advanced: Diversity mode (true/switchable), frequency offset, lock functions.

Connecting Devices

Antennas: UHF antennas to ANT A/B. Audio: XLR to mixer. Remote: RMU-10 to REMOTE port.

Turn off receiver and connected devices before making connections.
Use high-quality coaxial cables for antenna connections.
For balanced audio output, use XLR connectors; for unbalanced, use 1/4" TS.
Ensure all connections are secure before powering on.

Tip: Position antennas at 90-degree angles for optimal diversity reception.

Operating Modes

Supports single-channel and multi-channel operation.

Power on: Press POWER button; wait for initialization.
Select channel: Use MENU/SELECT knob or remote to choose frequency.
Monitor audio: Connect headphones to headphone jack for real-time monitoring.
Adjust levels: Use AUDIO menu to set output level appropriate for your mixer.
Check RF signal: Monitor RF indicators on display for signal strength.
Sync with transmitter: Place transmitter in sync mode, press SYNC on receiver.
Mute function: Can be assigned to squelch or manual control.

WARNING! Do not operate without antennas attached. May cause damage to RF circuits.

Advanced Functions

Frequency Scanning: Auto-scan for clear frequencies in your area. Group Management: Store up to 100 frequency groups. Pilot Tone: Enables transmitter mute function when signal is lost. Diversity Mode: Select between true diversity and antenna switching.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior. Clean connectors with contact cleaner if needed.

CAUTION! Do not use solvents or abrasive cleaners. Keep away from moisture and extreme temperatures.

Regulatory Information

FCC Part 74: Licensed operation required in USA. CE compliant for European markets. Contains FCC ID: AK8URXP03D. For operation, ensure compliance with local regulations regarding UHF frequency usage. Copyright © Sony Corporation. For support, visit www.sony.com/proaudio or contact Sony Professional Solutions at 1-800-686-7669.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No audio output	Cables/power/mute	Check all connections; ensure power is on; check mute/squelch settings.
Poor reception	Antenna placement	Reposition antennas; check antenna connections; scan for clear frequency.
Display blank	Power/backlight	Check power connection; adjust backlight setting in menu.
Cannot sync with transmitter	Distance/frequency	Bring transmitter within 1 meter; ensure both units are in sync mode.
Excessive noise	Squelch setting/RF interference	Adjust squelch higher; change frequency group to avoid interference.

Reset: Menu > System > Initialize to factory defaults.

Service: 1-800-686-7669; www.sony.com/proaudio