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Preface | SRT LAN radar sensor S-band down-mast Service Manual
About this manual
Intended audience
This manual is written for service engineers.
The manual assumes that the reader has basic knowledge about this type of equipment in
regards to:
• Maintenance work to be carried out
• Nautical terminology and practices
Important text conventions
Important text that requires special attention from the reader is emphasized as follows:
¼ Note: Used to draw the reader’s attention to a comment or some important information
!
Warning: Used when it is necessary to warn personnel that they should
proceed carefully to prevent risk of injury and/or damage to equipment/
personnel.
Change log
Part no Date and description
988-12286-001
2018-11-06
First version.
988-12286-002
2021-06-25
Updates to compliance and extended tune.
Safety precautions
Safety precautions described in this section are applicable to the radar system. They are
general safety precautions that are not related to any specific procedure, and they might
therefore not appear elsewhere in this manual. They are recommended precautions that
personnel must understand and apply during operation and maintenance of the system.
You are obliged to read these operating instructions prior to operation, and to adhere to the
operating instructions in order to prevent possible danger. Prevention of danger includes
that operator personnel are trained and authorized for safe operation of the equipment. We
assume no liability for damage due to improper operation which could have been prevented.
The system must only be operated by persons who have passed the relevant mandatory
training on the respective systems and applications. Only reading these operating instructions
cannot replace such training. Persons authorized to operate, maintain and troubleshoot
the system are instructed and trained by Simrad. Persons operating or servicing this radar
system must be familiar with the general safety regulations and specific safety systems, and
they must have passed all required training. They must have read the relevant operating
instructions and manuals before starting to work.
Have these operating instructions always at hand on all relevant locations, and ensure that
copies are available to all operators. Operating personnel must at all times follow all safety
regulations.
During normal operation, the unit can be quickly disconnected from the main power line by
turning OFF the relevant circuit breaker located on the electric switchboard.
Do not replace components or make adjustments inside the unit when the voltage supply is
turned ON. Always remove power and discharge to ground a circuit before touching it. Under
no circumstances should any person initiate servicing or repairing the unit except in the
presence of a qualified person.
Ensure unobstructed access to all operator panels, controls, and relevant switchgear cabinets
in order to enable instant response to alarms.
Whenever it is necessary to disconnect the waveguide or RF coax cable from a radar
transmitter for maintenance purpose, the transmitter output should be terminated with a
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