Tohnichi STC2-G - Charging Procedures; AC Adapter Charging; PC (USB) Charging; Charge Status Indicators

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Charge status indication
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１２．Charging
LED Ring Indication Charge Status
Illuminated in white
Illuminated in blue
Charging
Charge is completed.
If the battery has fully run out, charge is completed in the following hours.
AC adapter: Approx. 5 hours
PC (via USB): Approx. 10 hours
NOTE) Measurement is disabled while the USB cable is connected.
■ Charging method with the AC adapter
①Connect a combination of the exclusive AC adapter (accessory) and exclusive USB
cable (accessory) to the USB port of the STC2-G.
②Connect the power plug of the AC adapter to an AC 100 to 240 V plug socket.
③ After the STC2-G LED ring has been illuminated alternately in yellow and red during
the charging circuit diagnostic operation, confirm that the LED ring changes to white
illumination and the charging starts.
Note) In the case where the LED yellow/red alternate illumination does not clear,
it can be expected that there is a defect in the charging circuit, lithium ion battery,
or in the AC adapter. You should therefore stop using the STC2-G and contact the
distributor where you purchased the product or TOHNICHI MFG. CO., LTD. for more
information.
④Once charge is completed, the LED ring of the STC2-G is illuminated in blue.
Disconnect the AC adapter from the plug socket, and disconnect the USB cable from the
USB port of the STC2-G.
■ Charging method with the PC (via USB)
①Turn on the PC.
(2) Connect the exclusive USB cable (accessory) to the respective USB ports of the
STC2-G and PC.
(3) After the STC2-G LED ring is illuminated in yellow and red during the charging circuit
diagnostic operation, confirm that the LED ring changes to white illumination and the
charging starts.
Note）In the case where the LED yellow/red alternate illumination does not clear, it can
be expected that there is a defect in the charging circuit, lithium ion battery, or in the
personal computer. You should therefore stop using the STC2-G and contact the
distributor where you purchased the product or TOHNICHI MFG. CO., LTD. for more
information.
(4) Once charge is completed, the LED ring of the STC2-G is illuminated in blue.
Disconnect the USB cable from the USB ports of the STC2-G and PC.
Illuminated alternately
in yellow and red
Charge error (Including the illumination of the charging circuit diagnostic operation)