Bus-Scan 300 Series
Classic Delay-Based Systems

- Quick and simple installation–no special tools or under-hood components.
Conforms to state requirements (except CA — See our Bus-Scan 500)
- No nuisance false alarms, as with other systems.
- Audible and visual alerting.
- User-Settable delay times.
- Anti-tamper, anti-tiedown design ensures reliable operation.
- First company to use Microprocessor-based design for stability.
- Service key for maintenance, or out-of-service use.
- Service mode reminders, both visual and audible.
- Uses vehicle horn or external-siren (siren purchased separately).
- Stop-arm capability, built in.
- Can control interior lights with optional module.
- Pluggable control harness, with built-in fuses.
- Communication port for feature expansion.
Wireless Versions
Bus-Scan 300 RF
Easiest and quickest installation. No need to run wires for the disarming switch. Just mount the included RF transmitter at the back of the vehicle, connect the Control Module and you’re ready. We are the only system to offer this convenient time- and money-saving feature. The Remote Transmitter automatically pairs with the Control Module with the touch of a button–no DIP switches to set!
Order Number: 104568
Bus-Scan 300 RF With Light Control
All the features of the Bus-Scan 300 RF, plus automatic Interior Light control to light the way to better inspections. Perfect for jurisdictions that require dome light activation during vehicle inspection.
Order Number: 105461
Wired Versions
Bus-Scan 300 HW
All the features of our Wireless version, only with direct wiring to the disarm switch. Economical!
Order Number: 104593
Bus-Scan 300 HW With Light Control
Our wired model, plus light control for easier, illuminated inspections. Complies with all state jurisdictions, except CA (see our Bus-Scan 500)
Order Number: 105579
Bus-Scan 500 Series
California-Compliant Systems (SB1072)

Complies with California SB1072 (Paul Lee School Bus Safety Law)
Can activate within two seconds after ignition is turned on
Exclusive wireless disarm buttons–saves time & cost!
Monitors Doors, Parking Brake and Flashers
Sounds a warning tone when Ignition is turned off
Driver must press the disarm switch to exit without alarming
Driver has 3 minutes to deactivate the system or alarm will sound
Pluggable harness for quick and easy installation
Easiest installation–can accept both positive and ground inputs for brake & doors.
Automatically activates interior lights during inspection
Auto courtesy lights assist entering and leaving passengers
Activating flashers can inhibit alarm to accommodate special needs passengers
Alarms with vehicle horn, or optional siren
Horn will sound for up to 30 minutes if check is not performed
Audible and visual system status indication
High-capacity Horn & Light relays built in. No external module needed.
Uses open-contact relays (not transistors) to prevent vehicle interference
Wireless Version
Bus-Scan 500 RF
Easiest & quickest installation: No need to run wires for the disarming switch. Just mount the included RF Transmitter at the back of the vehicle, connect the Control Module, and you’re ready. Bus-Scan is the only system to offer this convenient time- and money-saving feature. The Remote Transmitter automatically pairs with the Control Module with the touch of a button–no DIP switches to set!
Order Number: 106542
Bus-Scan CR2 Series
Replacement for CRS-Type CR2A & CR2B

Quick & Simple Replacement for CR2 A/B
Just Plug the Module into your existing CR2 Connector
Arms by stop arm or flasher signal input OR
Arms automatically, after 10 minutes (user-selectable)
Automatic First-entry Courtesy Light activation
Automatic Final-exit Courtesy Light Activation
Automatic light activation during inspection
Built-in beeper reminds driver to inspect vehicle
Opening any door without first disarming system sounds alarm
Ignored-horn fail-safe: Prevents battery drain if driver walks away.
Uses vehicle horn for alarm, or our optional siren accessory
Select your own features with a simple DIP switch
Both Wireless & Wired Disarm Switches available
We also offer wiring harnesses & disarm switches for new installations
Wireless Version
Bus-Scan CR2 RF
Easiest and quickest installation. No need to run wires for the disarming switch. Just mount the included RF transmitter at the back of the vehicle, connect the Control Module and you’re ready. We are the only system to offer this convenient time- and money-saving feature. The Remote Transmitter automatically pairs with the Control Module with the touch of a button–no DIP switches to set!
Order Number: 106543
Wired Version
Bus-Scan CR2 HW
All the features of our Wireless version, only with direct wiring to the disarm switch.
Order Number: 105963
Bus-Scan Accessories & Replacement Parts

Bus-Scan® Multi-Light Control
Automatically controls up to three interior light circuits to illuminate the vehicle while drivers perform their seat checks. Works with all brands of child reminders, or even stand-alone! Order Number: 104088

Bus-Scan® Light Slave Module
Use with our Bus-Scan® models that have dome light control built in. Order Number: 104078

Bus-Scan® Hard-wired Disarm Switch
Includes easy-mount pushbutton switch and cable.
Order Number: 103547

Replacement Wireless RF Transmitter
Bus-Scan® RF remote disarm switch replacement. Easy and quick installation–just mount and use. Includes battery. Order Number: 101649

Bus-Scan® Accessory Siren
Bus-Scan® can use the vehicle’s own horn to alarm that a vehicle check was neglected. For those who prefer to have an external siren, this is an inexpensive and easy addition. The easy-mount, plug-and-play design makes installation a snap.
Order Number: 104533

Bus-Scan® Horn Relay Kit
In rare circumstances when the vehicle doesn’t have its own horn relay, this kit must be used to ensure that sufficient current is available to operate the horn.
Order Number: 102893