Section 7: Troubleshooting FAQs
Models 707B and 708B 199BSwitching Matrix User's Manual
7-2
707B-900-01 Rev. B / June 2013
You can select one of two options when enabling Model 707A or 708A DDC compatibility mode:
•
70xA-VERSION
: This option most closely matches Model 707A or 708A operation. Use this
version if you are transferring applications directly from a Model 707A or 708A with few changes.
•
70xB-VERSION
: This options provides enhanced operation, including error checking and more
robust settling time operation. Use this version if you are updating existing applications.
To enable Model 707A or 708A DDC compatibility mode:
1. From the front panel, select
MENU
.
2. Select
DDC
.
3. Select
ENABLE
.
4. Select the version.
5. Press
ENTER
.
6. Cycle instrument power.
To enable GPIB communications:
1. From the front panel, select
MENU
.
2. Select
GPIB
.
3. Select
ENABLE
.
4. Select
ON
.
5. Cycle power to the instrument.
If DDC compatibility mode is selected and GPIB is enabled, also verify that:
•
The GPIB cable is connected to the instrument.
•
The instrument has a unique GPIB address.
"A" model software does not run on "B" models
Software that I used with my Model 707A or 708A does not run on the Model 707B or 708B.
What do I do?
Verify that DDC compatibility mode is enabled.
You can select one of two options when enabling Model 707A or 708A DDC compatibility mode:
•
70xA-VERSION
: This option most closely matches Model 707A or 708A operation. Use this
version if you are transferring applications directly from a Model 707A or 708A with few changes.
•
70xB-VERSION
: This options provides enhanced operation, including error checking and more
robust settling time operation. Use this version if you are updating existing applications.
To enable Model 707A or 708A DDC compatibility mode:
1. From the front panel, select
MENU
.
2. Select
DDC
.
3. Select
ENABLE
.
4. Select the version.
5. Press
ENTER
.
Cycle instrument power.
Review "Using Model 707A and 708A compatibility mode" in the Models 707B and 708B Reference
Manual for additional information. Also see "Migrating from Models 707A and 708A."