Section 2: General operation
Models 707B and 708B Switching Matrix Reference Manual
2-90
707B-901-01 Rev. B / January 2015
Viewing status from the front panel
Closed channels are shown on the display of the instrument, separated by commas. If more than one
line of closed channels are displayed, you can press
DISPLAY
to display the full list. Use the
navigation wheel to scroll through the list.
For a four-pole operation the paired channel is not displayed on the front panel of the Models 707B
and 708B.
Viewing status from the remote command interface
To view a list of closed channels, use the
channel.getclose()
command. For example:
print(channel.getclose("allslots"))
To view the close and open status of channels, use the
channel.getstate()
command.
Viewing status from the instrument web page
To view status from the instrument web page, from the list on the left, select the slot that contains the
channel. The status is displayed on the web page for the slot.
Channel attributes
You can use the front panel and command options to set attributes for specific channels. Some of the
attributes you can set are adding a delay, forbidding closure of a channel, and setting channel labels,
which are described in the following sections.
Set additional delay
You can set an additional delay to incur after the relay settles when closing.
To set additional delay time from the front panel:
1. Display a channel (you might need to press
DISPLAY
).
2. Select the channel for which you want to set attributes.
3. Press
CONFIG
, then press
CHAN
.
•
DELAY:
Additional delay to incur after the relay settles. Enter the value for the delay in seconds. The
total delay for channel operation is user delay plus the relay settling time.
To set additional delay time from the web interface:
1. From the list on the left, select the slot that contains the channel you want to set an additional
delay on.
2. Right-click on the channel you want to bring up the channel configuration dialog box for that
channel.
3. Enter the desired delay time (in seconds) in the delay time field on the right side of the dialog box.
Once the desired time is entered, click
OK
.