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Model 2750 Multimeter/Switch System User’s Manual
Close/Open Switching Module Channels
2-17
CLOSE key (MULTI menu option)
The MULTI menu option for the CLOSE key can be used to close any individual channel
in the mainframe (
). Perform the following steps to close a channel:
NOTE
Channels closed by the MULTI option of the CLOSE key are not displayed. Use
the VIEW option of the CARD menu to display closed channels (see
1.
Press the CLOSE key and then use the
Δ
or
∇
key to display the
“CLOSE:MULTI” message.
2.
Press ENTER to display the prompt to close a channel (CLOSE MLT:XXX).
3.
Using
,
,
Δ
, and
∇
, key in the three-digit channel you want to select.
4.
Press ENTER to close the channel.
An invalid channel cannot be closed. The error messages associated with system channel
operation also apply to multiple channel operation.
Figure 2-6
Multiple channel operation — specifying a channel to close
OPEN key
The OPEN key has two options to open channels: ALL and MULTI. The ALL option sim-
ply opens all channels in the mainframe. The MULTI option opens only the specified
channel. All other closed channels remain closed.
summarizes OPEN key
operation.
OPEN: ALL — Perform the following steps to open all channels in the mainframe:
1.
Press the OPEN key to display “OPEN: ALL.”
2.
Press OPEN again (or press ENTER) to open all channels.
OPEN: MULTI — Perform the following steps to open only the specified channel:
1.
Press the OPEN key. The “OPEN: ALL” message will be displayed.
2.
Press the
Δ
or
∇
key to display the “OPEN: MULTI” message.
CLOSE
OPEN
CLOSE MLT:XXX
CLOSE:MULTI
Press CLOSE key
Display MULTI option
and press ENTER
Specify channel number
(XXX) and press ENTER
2750-900-01.book Page 17 Wednesday, August 3, 2011 7:56 AM
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Страница 428: ...G IEEE 488BusOverview 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...