Seecode 20207, Руководство пользователя

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2. Near and breath softly into the breath inhaler for seve-
ral seconds, suggest to blow about 5 seconds.
3. After one beep sound, look into the test result from
the display.
Operation
1.1. Open its back battery compartment, put the batteries
according to its polarity then close down it.
1.2. Press On/Off button and hold for 2 seconds. the
tester enter into warm-up status, the screen will show 9,
8. C count down.
1.3. When warm-up finished, the screen will show“C
‘Twinkling, now user should blow to gas entrance about