11
10. Data hold and backlight on/off
Press the “Hold” button for data hold. Press and hold the “Hold” button for 3 seconds, the
backlight will turn on; press and hold the “Hold” button for 3 seconds again, the backlight
will turn off. The backlight will automatically turn off if there is no operation within 15
seconds.
11. Auto power on/off
In measurement process, if there is no operation within 15 minutes, the meter will
automatically power off.
In the auto power off mode, rotate function selection switch to OFF,
then rotate function selection switch to other ranges, the meter will power on.
If you do not like the auto power off function, turn on the multimeter and press the “Select”
button, the auto power off function will be canceled when there is no “APO” symbol on the
display screen.
Ⅴ
Troubleshooting
If the instrument cannot work properly, please try the following tips to solve the general
problems. If the problems still exist, please feel free to contact us:
Official email:
Contact No.: 1-262-299-0397
(available for customers in the United States currently)
problem description
suggested solution
no display
turn on power;
replace battery
appears
replace battery
inaccurate
measured
values
replace battery
no current input
replace fuse
Ⅵ
Instrument maintenance
RAGU 17B
is a precision instrument and user shall not modify the electric circuit.
1. Keep the instrument away from water, dust and shock.
2. Do not store and operate the meter under the condition of high temperature, high humidity,
combustible, explosive environment and strong magnetic field.
3. Wipe the case with a damp cloth and mild detergent, do not use abrasives or alcohol.
4. If the instrument is not operated for a long time, please take out the battery to avoid
leakage.
5. Pay attention to the status of the battery. When the LCD displays a flashing “
” symbol,
the battery shall be replaced.
Following the steps:
5-1. Loosen the screw on the back cover that secures the battery door and remove the battery
door;
