Acterna SPM-32A, Operating Manual

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4-12
4.1 Overview SPM-32A ... SPM-36A
Meaning of symbols
* (flashes) (A2), the yellow shift key has been
pressed. Clear with [CLEAR].
---> The value indicated by the arrow may be
altered. The arrow flashes when an
entry has been started but not
terminated.
! (briefly) (D2), when [*], [ABS-REF] is pressed,
the measured level is stored as the
reference level.
(D13), storing (STO) or recalling (RCL) a
set-up
? (A2), the input level is too high, or (when
wide-band measurements are being
made) too low.
--->
∆
(C2,3), when the key sequence [*],
[STEP] is entered you can change the
frequency stepwidth by
∆
f.
S (C3), when you press [STEP], the
tuning frequency can be incremented or
decremented by
∆ f.
▲ (C3), when [SEARCH] has been
▼
pressed, search mode has been
selected but not started.
▼
(C3), [SEARCH] and then [
↑
] have been
pressed; starts the search, the
frequency is increasing.