User's Manual

SBS-900 Shore Based Radar Systems
Chapter 6: Local operation instructions
KH-1602-2 issue 1: Standard SBS900 Systems Operator & Maintenance Handbook
Page 41 of 240
6.3 Switch ON, OFF & Emergency stop
6.3.1 Switch ON
Prior to switching the system ON the following must be checked:
First time switch ON: Ensure the setting to work/ commissioning of the system has been
successfully completed and signed off.
Power: Check that all sources of external AC power are available and are switched
ON.
Antenna: Ensure the antenna is clear of all obstructions and that it is safe to rotate.
Transmission: Ensure it is safe to transmit.
ANTENNA ROTATION SAFETY NOTICE:
When three-phase power is connected to the system and switched ON, the antenna will
rotate immediately regardless of the RUN command status.
The following describes the local switch-ON sequence for the SBS-900 transmission systems only
and does not include the switch on procedures for the track extractor or optional service display.
DTX-A7
Transceiver
enclosure
Ensure that the AC breaker(s) located within the
transceiver enclosure are in the ON position.
Note
Note: In normal operation, this switch would be left in the ON position
as it is only used/ switched OFF for maintenance purposes.
Safety
Switches
Man Aloft Switch
Ensure that the externally
mounted Man Aloft Switch (MAS)
is in the FREE position.
Man Aloft Switch
Radar Distribution
Unit
Ensure that the Antenna
Rotation keyswitch on the front
of the Radar Distribution Unit is
in the FREE position.
Keyswitch on door of RDU
Radar
Distribution
Unit
AC power
Within the Radar Distribution Unit KDCm qcff cffogch[n_ ih
each breaker indicating that AC mains inputs are present
within the system.
Note
Place all RDU breakers into the ON (UP) position.
Antenna Rotation Warnng: When three phase AC mains
is present and the breakers are in the ON position, the
Radar Distribution Unit is switched ON and the antenna will
rotate (see warnings in section 6.1 page 35).
RDU AC breakers
System
available for
use
When power is available, switched ON and the switches set as shown above, the
system is available for use and the antenna will rotate.
Note: The LED indicators located on power breakers are an indication that mains voltages are present. They are NOT an
indication that the breakers are switched ON.