User's Guide
Getting Started with i90
CHCNAV i90 GNSS USER GUIDE | 2019-9 P a g e | 10
The front panel contains four indicator LEDs and two buttons.
Name
Description
Correction LED (Green)
• Indicates whether the receiver is
transmitting/receiving differential data.
• The green LED flashes once per second when
As a Base station: successfully transmitting
differential data.
As a Rover station: successfully receiving
differential data from Base station.
Satellite LED (Blue)
• Shows the number of satellites that the receiver
has tracked.
• When the receiver is searching satellites, the blue
LED flashes once every 5 seconds.
• When the receiver has tracked N satellites, the
blue LED will flash N times every 5 seconds.
Fn button (Yellow)
• Move to next line of the menus or options.
• Move to next character of the value that you
want to make change.
• Cancel the change you make on a function.
Front panel
Satellite LED
Function button
Power button
Correction LED