Revision 2 Date: 15 Sep 2022 Page - 7 - of-20
7.1.2 SD card installation
The instrument usually comes with a SD card already installed. To remove the card, open the rubber
flap covering the SD card slot (see Fig.2 of section 6 above) on instrument and gently push the card in
to unlatch it.
7.1.3 Battery installation
The instrument usually comes with a Snap-on battery already installed. To remove the battery, see steps
below.
To reinstall battery, insert it into
instrument’s battery compartment
and push it in all the way
until a “click”
is heard.
7.1.4 Battery charging
The Snap-on battery can be charged on or off the instrument. E.g., a spare battery can be charged off
the instrument while the one on instrument is being used.
To charge, connect battery to the supplied charger or any USB power source using the supplied USB
cable.
Different statuses of the battery is represented by the patterns of four LEDs (see Fig. 3 of section 6
above)
as tabled below:
LED pattern
Representation
Only the 1’st LED is blinking
Low charge. Instrument will turn off automatically if not recharged.
LEDs are lighted up in combination
of blinking and continual modes
Battery is being charged.
All LEDs light up continually:
Instrument is fully charged. Max charging time needed is 4 hrs @ 0.2A
All LEDs are blinking
Error in battery
➊
Move latch to the right to
unlatch and partially eject battery.
➋
Gently push battery back in until a “click” is
heard then, pull battery out from instrument.
Partially ejected
battery.
