5Key Reference
100 N9342C/43C/44C User’s Guide
Enter
Enter hardkey provides the functions as below:
• Terminates data entry and enters into the 
analyzer numerical values keyed from numeric 
keypad on the front panel. 
• Terminate filename entries.
• Switch the instrument status from remote to 
local.
ESC/Bksp
This hardkey provides mainly two types of 
functions:
Clear
• Clears any numeric entry and cancels the active 
function.
• Clears any title entry and cause the title to 
revert to the previous name.
• Clears input or output overloads
• Clears error messages from the status line along 
the bottom of the display.
Association with other functions
Provides a permitted setting for triggering other 
functions such as:
• Activates  LIMIT function for pass/fail judgements.
• Activates  SAVE function for current trace saving.
CAU-CAUTION
When pressing [ESC/Bksp], the current parameter 
annotation in the lower left corner, which is an indicator of 
available settings of Limit and Save, disappears.