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 53 of 240
6.6.3.4 TX Frequency
The frequency of the SharpEye
TM
transceiver can be selected which may be necessary to reduce
interference from other transceivers to obtain the best picture quality.
Seven frequency bands are available between 9.21and 9.49GHz, each band being 20MHz wide and
each band being separated by 20MHz.
6.6.3.5 Mute
The Mute function allows a 360 degree transmission inhibit to be enabled/ disabled.
Mute ON: Transmission is muted/ stopped i.e.
no RF is radiated from the antenna
however the antenna continues to
rotate.
The RED Mute LED on the front of
the RDU illuminates.
Mute OFF: The system transmits fully for 360
degrees.
The RED Mute LED on the front of is
OFF.
Mute LED illuminates when Mute is enabled
6.6.3.6 Sea & rain
The level of Sea and Rain filtering can be adjusted between 000 (minimum) to 255 (maximum).
Sea: Filters the effect of sea clutter on returns.
Rain: Filters the effect of rain clutter on returns.
The levels are set using the + (decrease value) and , (increase value) buttons to produce the best
quality picture in the prevailing conditions.
Caution: Care should be exercised when adjusting Sea and Rain filters as reducing the
filter level can reduce signal returns from wanted / actual targets.