SBS-800 Series Operator & Planned Maintenance Handbook
Chapter 7
: Local Control
KH-1601-2 Issue 6
Page 39 of 80
7
Local Control
7.1
Local Control Overview
7.1.1 RDU Local Controls
Radar Distribution Unit
front panel
LCD display
A backlit LCD display shows the system
status, menus, error and alarm
messages
Green
LED
Power
OFF
No power, the RDU is not switched ON
ON
The power is switched ON and the
system is being controlled
locally
or
remotely
Flashing
The power is switched ON but the
system is not controlled (no master)
Yellow
LED
RUN
OFF
The system is in standby
ON
The transceiver has entered RUN mode
and is transmitting
Flashing
The system is unable to run because:
- The
man aloft
switch or
antenna
keyswitch
are set in the OFF position
- A fault is preventing transmission;
check the status of the unit
Red
LED
MUTE
OFF
No Mute commands are being received,
the system is transmitting for a full 360
°
ON
The transceiver is muted (no
transmission)
Flashing
The system is operating with sector
blanking applied
Switch
set to
Remote
The system is in
Remote
control
and is operated from
the track extractor or remote
command & display system.
The Standby/RUN switch has
no function and can be in any
position
Switches
set to
Local
&
Standby
The system is in
local control
with the transceiver in
Standby
mode.
The track extractor or remote
command & display system
has no control
Note
.
Switches
set to
Local
&
RUN
The system is in
local control
and the transceiver is set to
RUN
.
The track extractor or remote
command and display system
has no control
Note
.
Antenna
rotation
OFF
The antenna is inhibited.
All AC mains power to the
SharpEye
™ transceiver and
gearbox is isolated.
The system cannot be run.
Antenna
rotation
FREE
The antenna is free to rotate.
Power is applied to the
SharpEye
™ transceiver and
gearbox.
The system is available for
use.
Note:
When an optional service display is connected, it must be ‘off-line’ to enable RDU local control.
If it is ‘on-line’, the service display has control of the system and local control using the RDU is not
possible. Where no service display is installed, local control will always be available when the switch is
set to Local.
