User's Manual

8
1.4 Install SIM Card
Users need to prepare a SIM card and open appropriate data communication service before
using i80 GNSS receiver to work in RTK mode. Each receiver supports one SIM card.
Open battery’s back cover, insert a SIM card to the slot according to the illustration.
2.LCD Panel Instructions
LCD panel mainly includes two indicator lights of satellite and differential data，LCD panel,
confirm+on/off button and Fn button.
Satellite li
g
ht
Differential Data Light
Up/Down Button
Confirm+On/Off Button
LCD Panel