Atek HP 8753D, User Manual, Page: 276 / 677

Knob
Y ou can use the knob to make continuous adjustments to current measurement parameter
values or the active marker position. V alues changed by the knob are eective immediately ,
and require no units terminator .
Step K eys
Y ou can use the step keys 4 * 5 (up) and 4 + 5 (down) to step the current value of the active
function up or down. The analyzer denes the steps for dierent functions . No units
terminator is required. F or editing a test sequence , you can use these keys to scroll through the
displayed sequence .
4 ENTRY OFF 5
Y ou can use this key to clear and turn o 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 .
4 5
Y ou can use this key to delete the last entry , or the last digit entered from the numeric keypad.
Y ou can also use this key in one of two ways for modifying a test sequence:
deleting a single-key command that you may have pressed by mistake (for example
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Trans:FWD S21 (B/R) )
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 4 ST ART 5 4 12 5 but did not press 4 G/n 5 , etc)
4 1 5
Y ou can use this key to add a decimal point to the number you entered.
4 0 5
Y ou can use this key to add a minus sign to the number you entered.
6-10 Application and Operation Concepts