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3.3.3. F1,F2,F3 Software Key
• F1 Software Key: Default switch to MODE Function, AC POWER Function
and SAVE Button.
• F2 Software Key: Default into
RANGE Button, the rotary
switch function.
• F3 Software Key: Default into
Menu Button.
3.4. Description of Internal
Functions
3.4.1. Save Function
1. Press the Data Hold/Flashlight
Button to freeze the result, the
message “Hold” appears on the
display.
2. Press the F1 (Save) Key to save the
data in the instrument’s memory.
