User's Guide

Getting Started with i90
CHCNAV i90 GNSS USER GUIDE | 2019-9 P a g e | 15
2.4 Inserting Battery and SIM Card
(1) Inserting battery:
(a) Push down the spring-loaded button on the battery cover to open the cover.
(b) Make electrode sheets of battery turn toward the receiver, align the socket of the battery
and the lug of the battery compartment, and then insert the battery into the battery
compartment until it is locked by the battery bail.
I Close the battery cover to prevent water immersion.
(d) To remove the battery, slide the battery bail to the left or right.
(2) Inserting SIM card:
(a) Push down the spring-loaded button on the battery cover to open the cover.
(b) Insert the SIM card with the contacts facing upward, as indicated by the SIM card icon next
to the SIM card slot.
(c) Close the battery cover to prevent water immersion.
(d) To eject the SIM card, slightly push it in to trigger the spring-loaded release mechanism
Insert the SIM card with the contacts facing upward, as indicated by the SIM card icon next to
the SIM card slot.
To eject the SIM card, slightly push it in to trigger the spring-loaded release mechanism.
Push down
Battery bail
Battery cover