Ultrasonic Flaw Detector DFD30
23
to flaw detection.
Chapter VIII Data storage and Communication with PC
It is introduced in a file of software installation.
Chapter IX Maintanence
Indication of Power
On the right down corner, there is indication of power, totally 5 phrases.
When the power indicator shows empty like the 5
th
graph above, the main unit still works about 20 minuts. There is
sound indication if battery power wears out and a prompt on the screen “Low battery, please turn off”. For good
protection of main unit and battery, please power off the main.
Date and Time
Date and Time will be displayed on the function area of LCD. It shows like the order ××month××day
××year××hour××minute, for example 10-28-14 10:48
Please make change if it is not real date and time. It changes like this:
1
．
Power on the main unit
2
．
Press direction key to choose date
Instruction light and buzzer
There are 3 instructions light on the keyboard called A, D, R as well as a beeper inside, which remind users working
condition of this main unit.
Usage and maintenance of battery
DFD30 is equipped with easy movable Li-battery. The power of battery displays on the right down corner. If the
power is too low, following condition happens: white screen, or re-open, or failure in power on. “Low battery, please
power off” shows on the screen if power of battery is too low or even power off automatically for protection of the
main unit.
Notice:
1.
Please save the data needed and charge when “Low battery, please power off” shows on the screen.
2.
Please charge 1 time per month in case users do not use the main unit for good protection of the battery.
3.
Battery power could change sharply owing to power change or transferring period between 2 borders of battery
power, which do not have any impact on usage of main unit.
4.
The validity of Li-battery is 6 months and please charge periodically, otherwise leads to the broken of battery. It
