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Product Install Guide – M4xx Series
03/11/22 | V1.9.9
NOTE! Read carefully this contains important information.
• Before you begin installing and commissioning this equipment please ensure that you have read
this manual thoroughly referring to any supplementary information provided for the OBU as
required.
• Failure to comply with the following Warnings, Approval and Safety information may invalidate the
warranty, certication or type approval of this product.
• In order to maximise any insurance discounts that may apply it is essential that all installation
and service work is carried out in regulations of the country. It is strongly recommended that the
OBU (On Board Unit) is installed and commissioned by suitably trained and qualied personnel,
accredited and registered by the Vehicle Systems Installation Board.
• Before working on any connectors or wires, turn the ignition OFF and wait 5 minutes, for sleep
mode to kick in.
• Never turn the ignition ON if a connector is disconnected.
• A battery conditioning test must be completed during the pre-installation vehicle checks. If the
battery is defective, or requires recharging you must inform the customer and record this in your
report before proceeding with the installation.
• Never operate the OBU without the correct antennas, or suitable articial loads, connected.
• To minimise interference 20 cm (7.87 inch) must be maintained between the GSM antenna and the
GPS antenna, all persons, and electronic components.
• The user of all or part of the equipment is warned that any changes or modications not expressly
approved by Masternaut may prohibit its use.
• With the exception of specic installations with properly rated parts, this equipment should not be
operated in hazardous environments e.g; areas with ammable vapours or explosive materials.
• This equipment should not be operated within aircrafts or in close proximity to medical
equipment.
• This equipment may only be located in a position where it cannot interfere with the normal
operation of the vehicle or present a hazard to the driver or passengers. Care must also be taken
when the routing the cables so that the insulation does not become worn or damaged. The cables
must not be in contact with the mechanical parts of the vehicle (e.g. steering, pedals, etc.).
• Under no circumstances may any part of the OBU be installed inside the engine compartment.
• Always use special tools when disassembling the dash board and a multimeter to check all
connections.
• Warranty/tamper seals must be used.
• Tidy the vehicle after you, do not leave any bits of wire or pieces of tape behind.
2. Important Notes
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