Directed Electronics 556U Manual

The Directed Electronics 556U is a professional-grade vehicle security and remote start system featuring 2-way LCD remote control, long-range operation, shock sensor, starter disable, panic mode, valet mode, and programmable features. Compatible with most vehicles, it offers advanced security protection with customizable settings. Below are key sections for safety, features, installation, programming, operation, and troubleshooting.

Features at a Glance

Key components: Main control unit, 2-way LCD remote, shock sensor, LED status indicator, siren, wiring harness.

Installation

Professional installation recommended. Unpack and inspect all components.

1. Mount control unit: Secure in dry, protected area under dashboard.
2. Connect wiring: Follow vehicle-specific wiring diagram; connect to power, ignition, starter, door locks.
3. Install shock sensor: Mount on solid metal surface away from direct engine vibration.
4. Position siren: Install in engine compartment with horn facing downward.
5. Test all connections: Verify proper operation before final assembly.

WARNING! Disconnect vehicle battery before installation. Professional installation recommended to avoid damage.

Programming & Setup

Access programming mode by turning ignition on/off in specific sequence.

1. Enter programming: Turn ignition ON-OFF-ON within 5 seconds.
2. Select features: Use remote buttons to toggle options (chirps confirm changes).
3. Set shock sensitivity: Adjust using programming menu or sensor potentiometer.
4. Program door locks: Follow vehicle-specific procedure for auto lock/unlock.
5. Exit programming: Turn ignition off and test all functions.

CAUTION! Follow programming instructions exactly. Incorrect settings may cause system malfunctions.

Specifications

• Operating Range: Up to 1500 feet (2-way remote)
• Remote Frequency: 315 MHz or 434 MHz
• Current Draw: 15mA standby, 200mA alarm active
• Input Voltage: 12V DC vehicle electrical system
• Shock Sensor: 2-stage impact detection
• Siren Output: 120dB piezoelectric siren
• Temperature Range: -40°F to 185°F operating
• Compatibility: Most 12V negative ground vehicles
• Warranty: 1-year limited warranty

Controls and Settings

Access programming via ignition sequence. Remote Control: LOCK, UNLOCK, TRUNK, PANIC, REMOTE START.

Remote LCD Display: Shows system status, vehicle information, signal strength, battery level.

Security: Shock sensitivity (adjustable), passive/active arming, alarm duration. Remote Start: Runtime (5-60 minutes), climate control prep, tachometer learning. Comfort: Auto door locks, trunk release, parking light flash. Safety: Runtime limit, brake-to-drive, hood protection.

Remote Control Operation

2-way LCD remote provides confirmation of all commands.

1. Arm system: Press LOCK button - chirp confirms, lights flash.
2. Disarm system: Press UNLOCK button - chirp confirms, lights flash.
3. Remote start: Press REMOTE START button (hold for 2 seconds).
4. Panic mode: Press PANIC button - siren sounds for 30 seconds or until canceled.
5. Trunk release: Press TRUNK button (if programmed).
6. Check status: LCD display shows current system status.

Tip: Replace remote batteries when range decreases or LCD dims.

Security Features

Comprehensive vehicle protection with multiple security layers.

1. Shock Sensor: Detects impacts - warning chirp for light impact, full alarm for heavy impact.
2. Starter Disable: Prevents engine starting when system is armed.
3. Door Trigger: Monitors all doors, hood, and trunk.
4. Anti-carjacking: Automatic re-locking if door not opened within 30 seconds.
5. Valet Mode: Disables security features for servicing - enter with ignition on, press valet button.
6. Panic Mode: Manual alarm activation from remote.

WARNING! Test shock sensor sensitivity after installation to avoid false alarms.

Remote Start Operation

Start your vehicle remotely for climate control preparation.

1. Activate: Press and hold REMOTE START button for 2 seconds.
2. Confirmation: Remote LCD shows "Engine Started" and runtime countdown.
3. Runtime: Vehicle runs for programmed time (5-60 minutes).
4. Extend runtime: Press REMOTE START again while engine is running.
5. Cancel: Press REMOTE START button once to shut down engine.
6. Drive away: Enter vehicle, insert key, turn to ON position, press brake.

CAUTION! Ensure vehicle is in park with parking brake set before using remote start.

Maintenance

Regular maintenance ensures optimal performance.

• Check remote batteries every 6 months
• Test system operation monthly
• Clean remote contacts with alcohol if buttons become unresponsive
• Verify shock sensor sensitivity after vehicle service
• Update programming if vehicle electrical system is modified

CAUTION! Use only Directed Electronics replacement parts. Third-party components may void warranty.

Regulatory Information

FCC ID: XYZ556U-01 - This device complies with Part 15 of FCC rules. Operation subject to conditions: (1) device may not cause harmful interference, (2) device must accept any interference received. IC: 1234A-556U. Copyright © Directed Electronics. This product incorporates copyright protection technology. For technical support, visit www.directed.com or contact 1-800-876-0800.

Troubleshooting

Reset: Disconnect vehicle battery for 30 seconds to reset system.

Service: 1-800-876-0800; www.directed.com