Lower Housing; Receiver Ports - CHCNAV i90 GNSS User Manual

Power button (Red)

2.2.2 Lower Housing

The lower housing contains one SIM card slot, two battery compartments, one TNC radio
antenna connector, two communication and power ports, one 5/8-11 threaded insert, and
two nameplates.
USB communication
and power in port
IO serial communication
and power in port

2.2.3 Receiver Ports

CHCNAV i90 GNSS USER GUIDE
• Works as a Power button:
• Press and hold this button for 3 seconds to turn
on or turn off the receiver.
• Works as a Confirmbutton
• Hold Fn button and press this button for 5 times
continuously to reset the mainboard.
| 2019-9
Getting Started with i90
SIM card slot
Battery compartment
TNC radio antenna connector
5/8-11 threaded
insert
P a g e | 11