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（27）
QCPattern and exit：
A) when the big second hand reaches 12, it pulls out the pull bar and waits for the pointer
to return to zero.
B) the fine needle is zero when the S1 is adjusted to 12.
C) fine needle return to zero when 6/9 is adjusted according to S2.
D) use the Raba to adjust the time / minute to 12.
E) press S1 and S2 for about 5 seconds at the same time, the watch vibrate once and enter
the QC mode.
F) push into La bar and start the QC mode test according to S1: a circle of fine needles
is rotated at 12; the fine needle is turning round at 9, and then reverses one circle; the
big second needle is turning round, then reverses a circle; the time pin is positive for
three hours and then reverses three hours.
G) start with S2 to see the pairing code: the matching code is 6 bits, each time S2, the
big second hand shows one, after displaying, press S2, and the big second hand returns to
12.
H) after the completion of the QC mode test, the QC mode will automatically exit after 10
minutes.
I) in any time, Changan S2 will be forced to withdraw from QC mode for about 3 seconds.
（28）
sleep pattern and awakening：
In the normal function mode, at the same time press S1, S2 about three seconds, the pointer
high speed to 12 o'clock position after the pointer stopped at 12 point, disconnected Bluetooth,
close the pedometer, into sleep mode. In sleep mode, the current voltage can be displayed by
S1. When 12, the fine needle will point to the current voltage (H/M/L). After 10 seconds, the
fine needle will return to 0 position at 12. Under normal battery voltage, the user's length
is about S2 3
FCC STATEMENT:
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause
undesired operation.
Warning: Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation.
This equipment generates uses and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which can be
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