Directed Electronics 545T Nite-Lite System D Manual

The Directed Electronics 545T Nite-Lite System D is a professional-grade vehicle security system featuring dual-stage shock sensor, starter disable, LED status indicator, remote panic mode, silent/audible arming options, and valet mode. Below are key sections for safety, features, installation, programming, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. Programming & Setup 4. Specifications 5. Controls and Operation 6. Remote Transmitter 7. System Modes 8. Security Features 9. Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main control module, 2-button remote transmitter, LED status indicator, shock sensor, starter disable relay, wiring harness.

Feature	Description
Dual-stage shock sensor	Detects light impacts (warning) and heavy impacts (full alarm)
Starter disable relay	Prevents vehicle from starting when armed
LED status indicator	Shows system status (armed/disarmed/valet)
Remote panic mode	Activates alarm remotely for emergency situations
Silent arming	Arms system without audible confirmation
Valet mode	Temporarily disables security features
Door trigger input	Monitors vehicle doors for unauthorized entry
Hood/trunk protection	Additional zone protection for vehicle compartments
Remote range	Up to 500 feet in open areas
Battery backup	Maintains alarm function if main power is cut

Installation

Professional installation recommended. Unpack and inspect all components.

Mount control module: Secure in concealed location under dashboard.
Install shock sensor: Mount on solid metal surface away from direct engine heat.
Connect wiring harness: Match wire colors to vehicle electrical system.
Install starter disable relay: Connect to starter wire following vehicle wiring diagram.
Mount LED indicator: Place in visible location on dashboard.
Test all connections: Verify proper operation before finalizing installation.

WARNING! Disconnect vehicle battery before installation. Professional installation required for proper operation.

Programming & Setup

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

Enter programming: Turn ignition ON, press valet button 5 times within 10 seconds.
Adjust shock sensitivity: Use remote buttons to set impact detection level.
Set alarm duration: Program siren sound time (30/60/120 seconds).
Configure door lock options: Program automatic door locking/unlocking.
Exit programming: Turn ignition OFF or wait 30 seconds.

CAUTION! Follow programming instructions exactly. Incorrect programming may affect system performance.

Specifications

Operating Voltage: 12V DC vehicle electrical system
Current Draw: 15mA standby, 500mA alarm activation
Shock Sensor: Dual-stage with adjustable sensitivity
Remote Frequency: 315 MHz or 434 MHz (region dependent)
Alarm Output: 30A siren/channel relay
Temperature Range: -40°F to 185°F (-40°C to 85°C)
Remote Battery: 12V 23A alkaline battery
Warranty: 1-year limited warranty

Controls and Operation

System controlled via remote transmitter or valet switch.

Remote Functions: LOCK/ARM, UNLOCK/DISARM, PANIC, TRUNK RELEASE

LED Indicator Patterns: Solid - Armed, Slow Flash - Disarmed, Fast Flash - Triggered, Off - Valet Mode

Arming: Press LOCK button - chirp confirms, lights flash. Disarming: Press UNLOCK button - two chirps confirm.

Panic Mode: Hold LOCK and UNLOCK buttons simultaneously for 2 seconds.

Remote Transmitter

2-button remote with LED operation indicator.

Replace battery: Slide open cover, install new 12V 23A battery.
Programming: Hold LOCK and UNLOCK while turning ignition ON to program new remotes.
Range test: Check operation from increasing distances.
Multiple remotes: System supports up to 4 transmitters.

Tip: Keep remote away from extreme temperatures and moisture.

System Modes

Multiple operating modes for different situations.

Armed Mode: Security active - shock sensor monitoring, starter disabled.
Disarmed Mode: Security inactive - vehicle can be started normally.
Valet Mode: Security temporarily disabled - use for service/maintenance.
Panic Mode: Manual alarm activation - siren sounds for emergency.
Silent Arm: Arms without audible confirmation - parking mode.

WARNING! Always test system after valet mode to ensure proper reactivation.

Security Features

Advanced protection technologies for comprehensive vehicle security.

Anti-carjacking: Automatic rearming if door opened without ignition. Passive arming: Automatic arming after 30 seconds if doors not opened. Status memory: Remains armed if power interrupted briefly. Code hopping: Rolling code technology prevents code grabbing.

Maintenance

Regular maintenance ensures optimal performance.

Test monthly: Check remote operation, alarm activation, starter disable. Replace remote batteries annually or when range decreases. Clean connections: Ensure all wiring connections remain clean and secure.

CAUTION! Do not attempt to repair control module. Contact authorized service center.

Regulatory Information

FCC Part 15: This device complies with part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference. IC: Complies with Industry Canada license-exempt RSS standard(s). Copyright © Directed Electronics. For technical support, contact 1-800-438-4477 or visit www.directed.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote not working	Dead battery/obstructions	Replace battery; check for interference; reprogram remote.
False alarms	High sensitivity/loose mounting	Adjust shock sensor sensitivity; ensure secure mounting.
No alarm sound	Siren connection/power	Check siren wiring; test siren directly with 12V power.
Vehicle starts when armed	Starter disable wiring	Verify starter disable relay connection; check wiring.
LED not lighting	Power/wiring issue	Check power connections; test LED with direct power.

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

Service: 1-800-438-4477; www.directed.com