User Manual

CHAPTER 11. ROUTINE MAINTENANCE 52
Error information Error information explanation
Scope openfail
Error description The oscilloscope function cannot be enabled.
Possible cause Communication abnormality
Disposal Check the communication cable.
Time set fail
Error description Time setting fails.
Possible cause Time setting is illegal.
Disposal Reset the system time.
Cal zero fail
Error description Zero calibration fails.
Possible cause Communication abnormality
Disposal Check the communication cable.
Table 11.1: Errors
11.3 Daily maintenance
Introduce basic maintenance in daily use of equipment. Such as cleaning, self-maintenance allowed to be
performed by the user, etc.
11.3.1 Equipment cleaning
Use dry cloth or slightly wet cloth to gently wipe the equipment. Do not arbitrarily wipe the inside of the
instrument. Cut o the power supply before cleaning.
11.3.2 Initialize
When this operation is implemented, the system settings are recovered to the factory default values.
1. Select “SYSTEM > INITIAL” in the “Menu” interface to enter the system initialization interface. See the
following gure.
2. Select the menu items to be initialized (blue symbol background) via button. Menu items with characters
## following should be initialized; ## indicates that the items will not be initialized.
3. Press the soft key corresponding to the symbol on the right of the interface to determine whether to
initialize this menu item. Or use the soft key “ ” (for initialization of all menu items) or “ ” (no
initialization for all menu items) in the lower part of the interface.
4. Press the “START” soft key to initialize system settings. Press the ESC to exit.