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User’s Manual 8
Note: When connected to a PC, battery charging stops while the PC is in standby.
Note: It is OK to leave the instrument connected to a PC or USB charger all the time. The smart
charger inside the instrument will stop charging as soon as the battery reaches full-charge.
6.3 Modes of Operation
The meter has four modes of operation:
Mode Operation Power Consumption
Idle Disconnected from USB and not actively
recording - Only keeps time. Minimal: Only needs to be recharged
every 6 months.
Active Connected to USB – Not recording –
Instrument is fully on and measuring Instrument draws power from USB to
power itself, and if necessary recharge
its battery. Battery is not depleted.
Recording
or Auto-Rec USB-connected or not - Fully on and
recording. If USB-connected, power comes from
USB. If not, power comes from the
internal battery. Power consumption
depends on the instrument settings, and
can go from days to months.
Periodic
WiFi™
Connect From any state, including Idle and
Recording , the instrument can periodically
wake up its WiFi™ interface and attempt to
connect to a server. If the connection is not
established after 1 minute it falls back to its
original state until the next connection time.
If USB-connected, power comes from
USB. If not, power comes from the
battery. The
Periodic Connect feature
consumes battery. This is especially the
case if the connection interval is set to
be short so it occurs often.
Table 1
6.4 LED Indicators
The meter has two LED indicators:
6.4.1 Charge LED
The charge LED is always fully on or off.
LED State Meaning
Off
Instrument is disconnected, or is connected to a PC that is in standby.
Green Instrument is connected to a PC or USB charger, and the battery is full.
Orange Instrument is connected to a PC or USB charger, and the battery is charging.
Table 2