3
distributor.
Remarks: If use the detector under the exceed range, this is not
provided the free repair service.
Calibrate service
③
We promise all detector in our company be calibrated with normal gas
before leaving our factory, once bought from our company without need to
calibrate, and must under the professional technical guidance.
Warranty is 12months from the date leaving our factory, for the
accessory within 3months providing free maintenance, and for the detector
providing the free calibration service once in a year.
About the Backlight instruction
④
OC-903 with the electricity saver procedure, when the device without
any operation within 30s, the detector will turn on the electricity saver
procedure automatically, then the screen will become dark, and press any
keys will become light again.
Fast operation instruction
⑤
Mute: When the detector under the alarming, short press
▲
or
▼
will
be muted.
Manual storage
：
When the storage mode under the manual storage, on
the testing interface long press the
▲
, then after the
“beep”, will keep the measuring data.
Menu entrance
：
Under the testing interface, long press “ok” for 5s
then will enter the menu.
Parameter revise instruction
⑥
All parameter for OC-903 could be revised with the “Back”,
“OK”,
▲,
▼.
