1257 User Manual
Using the Front Panel Controls 3-20
EADS North America Defense
Test and Services, Inc.
©
2001
-----SETTINGS-----
> Type: Display <
Option: Format
Status: Hex
3. Press the third key to select line 3 of the display (option):
Rotate the knob until line 3 of the display reads:
-----SETTINGS-----
Type: Display
> Option: Timeout <
Status: 1 min
4. If line 4 already shows the desired timeout value, then no
further action is necessary. Otherwise, select line 4. Then
rotate the knob until line 4 shows the desired value. This
example uses “15 min”:
-----SETTINGS-----
Type: Display
Option: Timeout
<Update?: 15 Min
Press the fourth key (bottom) to update the timeout value.
Pressing any other key 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.
Store/Recall Menu
Description
After the user has set up the 1257 Switching System, the setup
may be stored in non-volatile (flash) RAM. Later, the user may
recall this setup to instantly restore the 1257 to the same state it
was in earlier. The STORE/RECALL menu contains the functions
used for doing this.
The non-volatile RAM can store two types of setup information:
switching states and menu preferences.
Storing the Switching State
The switching state includes the positions (closed or open) of all
relays.
The 1257 stores the state of the drawer as a single state. When a
Summary of Contents for 1257
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