Publication No. 980855 Rev. A 1256 User Manual
EADS North America Test and Services GPIB and RS-232 Interfaces 4-9
Selecting the RS-
232 Interface
To use the RS-232 interface with the 1256, the RS-232 interface
must be selected via the front-panel controls, as follows:
1. Press the top key. Rotate the knob until the top line reads:
>-----SETTINGS-----<
2. Select line 2 (next to top line) by pressing the second key.
This selects line 2 so that you may choose the type of setting
to work with:
-----SETTINGS-----
> Type: Display <
Option: Format
Status: Decimal
3. Rotate the knob until line 2 reads as shown below (lines 3
and 4 may differ):
-----SETTINGS-----
> Type: Remote <
Option: Lockout
Status: Disabled
4. Press the third key to select line 3 of the display. Rotate the
knob until line 3 indicates the “Source” option as shown
below:
-----SETTINGS-----
Type: Remote
> Option: Source <
Status: GPIB
5.
If line 4 of the display already indicates the status as
“RS-232”, then the RS-232 interface is already active; no
further action is necessary. Otherwise, press the fourth key.
Rotate the knob until line 4 indicates the RS-232 interface:
-----SETTINGS-----
Type: Remote
Option: Source
<Update?: RS-232
Then press the fourth key to confirm the update. Pressing
any other button cancels the change.
NOTE:
Menu preferences are not normally retained after the power is
removed from the instrument. To make (a) menu preference(s)
permanent, make the desired change(s) to settings first and
then proceed to the section Storing the Menu Preferences to
make the changes permanent. Following this procedure will
put the settings into non-volatile memory and allow them to
be restored during instrument power-up.
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