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5-10. Diode and open circuit test
1. Insert the black pencil into "COM" jack, and the red one into the
"V/Ω/Hz" jack (Notice: the red pencil is anode);
2. Turn the range switch to position "
the diode tested, with the red pencil to the anode and the black to
cathode, then the reading value will be approximate forward voltage
drop of the diode;
3. Connect pencils to two points of the circuit to be tested, if buzzer
sounds, then the resistance between the two points is lower than
(70±20)Ω.
5-11. Peak value holding
Press HOLD, the peak value of current data will be keep
displaying in screen; press again to cancel this function.
5-12. Auto power off
After about (20±10)minutes device not being used, it will be
powered off automatically and enter into dormant status, and press
"POWER" again for two times to turn on power.
5-13. Backlight
Press "B/L" key to turn on backlight. After 20 seconds, the backlight
will be turn down automatically.
Notice:
When backlight is bright, working current becomes higher, and it will
short the service life of battery and the error for some other functions will
increase.
VI. Device maintenance
This series of device is a kind of precise instrument; please do not
change the internal circuit by your self.
6-1. Pay attention to the waterproof, dustproof and breakproof of the
device;
6-2. Please do not store or use it in environment of high temperature,
high humidity, high flammability or strong magnetic.
6-3. Please clear the device using wet cloth and soft detergent, and
abrasive and drastic solvent such as alcohol are forbidden.
6-4. Please take out battery to prevent device from being eroded by
battery weeping if the device will not be used for a long time;
5-4-1. Be care of the status of batteries. When sign "
screen, please replace batteries.
6-4-1-1. Remove vibration proof sheath, screw out nut that fixing battery
lid, and remove battery cap;
6-4-1-2. Take off 9V batteries, replace with new one. It is recommended
to use alkaline battery for long time of operation; even any 9V
battery is adoptable.
6-4-1-3. Close the battery cap and tighten the screws.(refer to Figure 2)
6-4-1-4. Take on vibration proof sheath.
6-4-2. Replacing fuse
Please replace fuse with an identical one if necessary.
VII. Trouble shooting
If you device can not work normally, the methods bellow may
help you to solve general problems. If these methods do not work,
please contact service center or dealer.
www.tmatlantic.com
", connect pencils in parallel to
" is showed in
Fault symptom
No display
sign appears
No current input
Too great error displayed
We will not give a further notice for any change of this manual.
We have tried our best to confirm the correction of this manual's content. If you
find any mistake or omit, please contact us.
We will not be responsible for any accidents or damages caused by
miss-operation.
Functions described in this book can not be used as reason for special purpose.
Inspection area and
method
●Power is not on
●Holding switch;
●Replacing battery
●Replacing battery
●Replacing fuse
●Replacing battery
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