Iwatsu SC7101 - Page 12

Figure 2-1-1-(2). Front Panel (SC-7102)
SC-7101 /SC-7102
© DIFF
Performs DIFF calculation (X-Xref) while
LED located above the [DIFF] key turns
on, indicates that the instrument is put
in DIFF calculating status, while this
LED turns out, the DIFF calculation is
released.
To perform calculation, set in DIFF calcula-
tion status and then register the reference
value (Xref) with the key. For
further
details,
refer
to
"3-3-2
DIFF
Cal-
culation".
HOLD
Selects the hold or sample mode.
Whi lighting of LED located above the
key, the instrument is put in the
hold status to stop measurement and keep
displaying the_ results measured before
pressing the [HOLO} key. However, such
measurement, which has already started
before the [HOLD] key is pressed, is per-
formed until completion.
While this LED turns out, the instrument
is put in the sample status to repeat mea-
surement in accordance with the preset
sample rate (SC-7101 is fixed at 200ms).
Section 2 Operating Information
RESET (LOCAL)
Performs the following operation by pressing
key.
Interrupts all process being executed
when the key is pressed.
* Clears the splay of the measured re-
sults.
* Updates measuring.
* If DIFF calculation is selected, resisters
internally the restarted measuring re-
sults as Xref by pressing the
key.
* In
GP-IB mode, it is recognized as
key.
SAMPLE RATE x2, x4, x8 (sc-7102 only)
Selects SAMPLE RATE time.
Each pressing the [SAMPLE RATE] key allows
selection of sample rates in the following
sequence.
All LED LED LED LED
turns out turns on turns on turns on
ba be * Gd
x1 > x2 —> x4 > x8
Approxi- Approxi- Approxi- Approxi-
mately mately mately mately
200 ms 400 ms 800 ms 1.6s