7
4-14 Automatic power off
1. If being left unused for 15min, the instrument will be powered off automatically, and then enter into sleep
state, but in 1min before power-off, the built-in buzzer will give a prompt by ringing for five times; later, the
power supply may be restarted by pressing any key.
2. Press “select” key before starting the machine may cancel the function of automatic power-off.
V. Maintenance of the Instrument
This instrument is precise, and users shall never change its circuit at random.
1. Protect the instrument from water, dust and hurl-down.
2. Never store or use the instrument in high-temperature, high-humidity, flammable, explosive and
strong-magnetic-field environment;
3. Please clean the outer surface of the instrument with wet fabric and gentle detergent, instead of grinding
additives and strong solvents like alcohol, etc.;
4. If the instrument is left unused for long term, the battery shall be taken out in order to avoid that the
instrument is eroded by battery weeping;
5. Pay attention to the use of battery, and replace the battery if LCD displays the sign “
”;
The steps are as follows:
5-1 Screw out the screws for fastening the battery on back cover, and remove the battery door;
5-2 Replace the 9V batteries with two new batteries. Any standard 9V battery is available, but it’s best to use
alkalic batteries in order to extend the service life.
5-3 Install the battery door and fasten the screws;
6. Fuse replacement: The steps are the same as above. For replacement of fuse, please use fuse of the same
specification and model.
NOTES:
1. Don’t connect the voltage higher than DC1000V or AC750V peak value;
2. Don’t measure voltage value at AC, resistance, diode, and buzzer levels;
3. Don’t use this instrument is the batteries are not installed or the back cover is not fastened;
4. Please move the testing probes from tested points and shut down the machine before replacement of
batteries or fuse.
VI. Troubleshooting
If your instrument does not work normally, the following methods may help you solve common problems. If
the troubles can not still be eliminated, please contact our maintenance center or dealer.
Fault phenomena
Position to be inspected and method
No display
The power supply is not connected;
Holding switch;
Replace the batteries.
Appearance of the sign
Replace the batteries.
No input of current
Replace the fuse.
Big error in display
Replace the batteries.
Any amendment to the specifications won’t be notified;
The contents mentioned herein are considered correct, and in case of discovering any error and omission,
etc., users shall please contact the manufacturer;
The Company doesn’t assume responsibility for the accidents and hazards arising from users’ misoperation;
The functions stated herein cannot be taken as reason for the product to be used for other purposes.
www.zutemer.cz
|
