1257 User Manual
EADS North America Defense
Using the Front Panel Controls 3-7
Test and Services, Inc.
©
2001
•
Store/Recall:
Store switch states and menu preferences to
non-volatile (flash) RAM, and recall these states and
preferences.
•
System:
Show firmware revisions for boot memory and flash
memory. This facilitates efficient response when contacting
Customer Service.
To work with one of these menus, first push the top key,
corresponding to line 1 (top line) of the display. This selects the top
line:
>----OPERATIONS----<
Drawer: 1260-CDS
Channel: 100
Status: Open
Next, rotate the knob until the desired menu title is displayed on
line 1.
The following sections discuss in detail how to use these menus.
Operations Menu
Description
The Operations Menu provides direct control of switching
operations in the drawer. It allows the following operations:
•
View the states of the channels (closed or open) on a drawer.
•
Close or open a channel path on a drawer.
Closing a Channel
The 1257 front-panel enables the user to manually close and open
channels on the drawer. (For connector pin assignments of a
drawer, refer to the drawer user manual.)
For example, suppose a 1260-CDS drawer is installed. To close
relay channel 104 in this drawer, proceed as follows:
1. Press the top key next to the display. This selects the top
display line so that you can change it. The selection markers
“>” and “<” appear on the line to indicate that it is selected.
Rotate the knob until the top line reads:
>----OPERATIONS----<
2. Press the third key to select line 3 of the display (channel
number):
Summary of Contents for 1257
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