Using The Radar Markers Keys - NorthStar 958 Operator's Manual

Adjust radar page 3

Using the radar markers keys

Radar markers
page 1
958 Operator's Manual, Rev. A
Press the following keys to adjust the tuning.
The following keys are password protected. For information about how to
use the keys and how to enter the password, see the Northstar Radar
Installation Manual (part number GMRadarIM).
The ROUGH TUNE key tunes the radar for the strongest
echoes.
The FINE TUNE key is hidden until you press the ROUGH
TUNE key. The FINE TUNE key refines the tuning adjustment.
Trigger delay is an installation adjustment used to compensate
for variations in cable length and other factors.
The heading calibration matches the displayed radar heading
with the actual heading of the vessel.
Press the RADAR MARKERS key to display the first of three
pages of controls for the 958's range rings, bearings, electronic
bearing lines (EBLs), variable range markers (VRMs), and guard
zones. Press the NEXT key to display the next page of
adjustments. Press the DONE key to return to the main radar
menu keys.
The 958 comes with default factory settings that you can leave
in place. If you turn off the 958, it remembers any changes you
made to these adjustments.
These keys let you adjust the electronic bearing lines. Elec-
tronic bearing lines (EBLs) are markers that you can place on
top of the radar image to aid in navigation and in keeping
Chapter 10 - Understanding Radar Functions
NOTE:
Page 137