Glossary
You will find on this page all the specific terms, the abbreviation, the “slang vocabulary” used in our profession.
To find the term required more easily, use “Find in the page” [Ctrl+F) in your browser
| AK5 | Symbol used on signalling triangles : road works | |
| AK14 | Symbol used on signalling triangles : exclamation point (Danger) | |
| AK31 | Symbol used on signalling triangles : Accident | |
| BUS |
Multiplexing approach which consists in connecting one wiring loom to a maximum number of modules which, in turn, communicate one after the other. Only one cable is necessary to control all the vehicle equipment. To learn more about the BUS system, we invite you to form yourself on our premises. |
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| Candelas / lux/ lumen |
Candelas : unit for measuring the light intensity, lux : unit for measuring the illuminance, lumen : unit for measuring the luminous flux. |
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| CCS CAN | Centralized control unit for specific vehicles with CAN automotiv protocol transmission | |
| EMC | Electromagnetic compatibility. Our products are EMC Approved, which means that the installation of our equipment in the vehicle will not interfere with the other equipment mounted (for example, no statics problems) and that our products will not have interference from other electrical elements | |
| CL1 | Class 1 | Visual devices with only one level of luminosity |
| CL2 | Class 2 | Visual devices able to switch between two levels of luminosity (a daytime mode and a night time mode) |
| DC | Direct Current | Continuous input voltage of a product |
| dB | Decibel |
A unit of measuring the loudness of the sound
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| Grill lights | LED light mounted on the grill panel of the vehicles. It eases movement through traffic and allows for better visibility (especially in the other vehicle’s view mirrors) | |
| ISO mounting | Normalised mounting for every signalling specialist in order to be installed on any type of vehicle. | |
| FLU | Emergency Light Arrow | 23-light arrow |
| Loudspeaker | A speaker or loudspeaker is an electroacoustic transducer that produces sound in response to an electrical audio signal input | |
| Day/Night siren |
The day mode is the normal operating mode. The night mode decreases the siren’s power. |
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| Control unit | Module which enables interactions between the user and the system. | |
| Power unit | Module which disposes of power outputs. | |
| PLC | Cigar Lighter Plug | Provides power to the product via the vehicle’s cigar lighter plug. |
| PMV/LMP | Variable message panel | The VMP enables to broadcast messages between 10 and 12 characters (according to the VMP model). It is possible to register a hundred messages. The Mercura VMPs are conform to the XP P 98-573 standard. |
| R65 | European approval ECE R65. This approval states standards to respect in term of the source’s lightning power and to the open angles of the light beam. | |
| S | Siren | It is a generator and amplifier of warning signalling which is connected to a loudspeaker. Mono or multitone, MERCURA has a great choice of siren tones. |
| PA | Public Adress | The Public Adress enables to broadcast vocal messages from a microphone connected with a loudspeaker. |
| Stick |
Suction mount system
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| Warning | Beacon lightbar mode | The amber beacons flash all at the same time |
| Alterned warning | Beacon lightbar mode | Like the warning mode, the lights flash all at the same time, still, with this mode the user can choose to make it flash from the center to the ends or from the right to the left. |
| XL | Extra Large | A size bigger than the standard size. |