Racal Instruments 1256E Manual page 82

Switching system
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Selecting the
RS-232 Interface
Computer Interfaces 4-18
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.
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.
1256E User Manual
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NOTE
Racal Instruments © 2002

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