BOQU PHS-1701, User Manual, Page: 11 / 21

- 8 -
2.4.6 Automatic turn off setting
A continuous boot icon appears, press the "Read" to enter the automatic shutdown
setting mode.
OFF
：
Automatic turn off, in the absence of any key conditions, more than 10
minutes will automatically shut down
ON: Continued boot
Default
：
OFF
2.5 Restore factory setting
Press the "Read", "Cal" and "Esc" button long press until the instrument displays
"rST"
The factory settings are successfully restored.
2.6 Data storage
2.6.1 Storage data reading
The instrument can store pH/mV of groups of measurement result. When the
measurement is finished, press the "Store" button to store the data and store the
information in the display location to indicate the current storage index.
If "M99" is displayed, press "Store" again, "FUL" will be displayed on the screen,
indicating that the memory is full and you need to clear the memory. Please refer
to 2.4.5 for operation.
Note: Each measurement data can only be stored once, and if stored again, the
index does not increase