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1257 User Manual
Using the Front Panel Controls 3-4
EADS North America Defense
Test and Services, Inc.
©
2001
4. Rotate the knob one more click to the right. The display
shows:
Now the OPERATIONS menu is active. This menu contains
the functions for operating the relays.
5. Press the third keypad switch (corresponding to the third
display line). This selects the third line, indicated by the
selection symbols “
>
” and “
<
”:
Line 2 indicates that the 1257 contains a 1260-CDS drawer.
Line 3 displays the selected channel in this drawer.
6. Rotate the knob to the right. As the knob rotates, the
channel number displayed on line 3 increments. Stop when
the channel number reaches 102:
>----OPERATIONS----<
Drawer: 1260- CDS
Channel: 100
Status: Open
>
----OPERATIONS----
<
Drawer: 1260- CDS
Channel: 100
Status: Open
>
----OPERATIONS----
<
Drawer: 1260- CDS
Channel: 102
Status: Open