File Operation 
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7.1.3 Auto save data to last file [AUTO SAVE] 
You can save the modified data into the last used file 
when the instrument power key is pressed. 
To turn on/off the AUTO SAVE function 
Step  1.  Press the [Setup] key.
  
Step  2.  Press the [FILE] bottom soft-key. 
Step  3.  Use the cursor key to select the [AUTO SAVE] 
field.
 
Step  4.  Use the soft-keys to select the save option. 
Auto save function will be enabled. 
Turn off the auto save function. 
7.1.4 File operation 
To choose a file to operate 
Step 1.  Press the [Setup] key.  
Step 2.  Press the [FILE] bottom soft-key. 
Step 3.  Use the cursor keys to select a file (File name 
from 0 to 9).  
Step 4.  Use the soft-keys to perform an operation. 
Save user configuration data into 
currently selected file. 
Recall configuration data from 
currently selected file. 
Erase the selected file. The user 
configuration data will be reset to the 
default at the next startup. 
Modify the file description.