HP HP 8753E, User Manual, Page: 292 / 699

y [ Entry Off]
You can use this key to clear and turn off the active entry area, as well as any displayed
prompts, error messages, or warnings. Use this function to clear the display before printing or
plotting. This key also helps prevent changing active values accidentally by moving the knob.
The backspace key has two main functions:
n
Deletes or modifies entries
n
Hides the menu
or Deleting Entries
You can use the backspace key to delete the last entry, or the last digit entered from the
numeric keypad. You can also use this key in one of two ways for modifying a test sequence:
n
deleting a single-key command that you may have pressed by mistake (for example
. . . . .
.
n
deleting the last digit in a series of digits that you may have input, as long as you haven’t yet
pressed a terminator (for example if you pressed but did not press etc)
Turning off the Menu
The key can also be used to move marker information off of the graticules and into the
menu area. The menu is turned off in this mode.
This function is useful when marker information obscures the display trace and you wish to see
the display traces more clearly.
This is a toggle function: repeatedly pressing
alternately hides the menu and
makes it reappear If two or more markers are on, marker annotation will move off of the
graticules and into the menu area when the menu is hidden. Pressing or a
which opens a menu, or any restores the menu and moves marker
annotation back onto the graticules.
You can use this key to add a decimal point to the number you entered.
You can use this key to add a minus sign to the number you entered.
Application and Operation Concepts 1