HP 3585A Service Manual page 44

Operation Overview
Each of the 3 5 8 5A's major operating parameters
has a dark brown ENTRY key which, when press­
ed, prefaces that
parameter is highlighted on the CRT screen to in­
dicate that its value can be changed using the
STEP keys or the Num ber/Units keyboard.
Number/Units Keyboard
The value of any prefaced parameter (except
RA N G E ) c a n be
Number/Units keyboard. T o numerically change
the value of a prefaced parameter, simply enter
the desired number using the " N umber" keys and
then terminate the entry by pressing the ap­
propriate suffix ( U nits) key. The 3 5 8 5A's free­
entry format allows you to make your entries in
the units that are the most convenient. Entries
that exceed the limits of a parameter or attempt to
select unavailable settings are not accepted.
·See Operating Manual (Chapter 5) for additional information .
3-12
KEYBOARD ENTRY FUNCTIONS*
Entry Keys
parameter. The prefaced
STEP
set e x a c t l y u s i n g t h e
El1
Step Keys
The STEP keys increment
ment the value of the prefaced parameter.
Each press of a STEP key produces a single step;
multiple step changes can
reprefacing. Step sizes for all parameters except
Center Frequency and Manual frequency are i nter­
nally defined to either produce an appropriate
amount of change or select the next available set­
ting. Center and Manual frequency steps are equal
to the Center-Frequency Step Size which can be
set to any value within the range of 0 Hz to 40. 1
MHz with 0 . 1 Hz resolution. Steps that would ex­
ceed the upper or lower limit of a parameter are
not accepted.
" N u mber"
Keys
\
[Z] [D] � m
m GJ m �
m QJ rn m",
Model 3585A
ENTRY
ENTRY
[8)
,--- - ENTRY ---- -- --,
or decre­
be made without