JRC JLR-30 User Manual

4-5
4.1.5 Water Speed / Ground Speed Screen
Ship’s longitudinal speed(bow-stern), transverse speed(port-starboard), and bearing are
displayed.
When the tide current calculator is not connected, the STW, CURRENT, and DEPTH
values are not displayed.
4.1.6 Configuration Screen
Press the key to go to the Configuration menu screen. Refer to "5.3 Main Menu"
for details.
STW: Speed through
water
CURRENT:
Bearing / speed of tidal
current
SOG: Speed over
ground
◄ ►:
Indicates port / starboard
heading.
▲▼: Indicates bow / stern headings
DEPTH:
Current depth

JRC JLR-30 Specifications

General

Brand	JRC
Model	JLR-30
Category	Marine GPS System
Language	English