3.10.3.2 Zeroize All Keys.
1. On the KY-100 control screen, ZERO ALL soft key -Press. ZEROED will appear in the annunciator box, and a tone will be heard in the headset.
3.10.3.3 Zeroize Speci.c Keys.
1.
On the KY-100 control screen, OFFLINE soft key -Press.
2.
UP ARROW,or RIGHT ARROW soft key -Press, until KEY OPS appears in the annuncia-tor box.
3.
INIT KEY soft key -Press. LOAD KEY will be displayed in annunciator box.
4.
UP ARROW,or RIGHT ARROW soft key -Press, until ZERO appears in the annunciator box.
5.
INIT KEY soft key -Press. ZERO, with a .ashing number appears. The .ashing number indicates the currently selected key to be ze-roized.
6.
UP ARROW,or RIGHT ARROW soft key -Press, until key location to zeroize is displayed.
7.
INIT KEY soft key -Press. The entire ZERO N will now .ash.
8.
INIT KEY soft key -Press again. The screen will blank while zeroizing process takes place. When zeroizing is complete, a tone will be heard in the headset, the display will brie.y change to ZEROED N, and then revert to ZERO N.
9.
Repeat steps 6 through 8 to zero other key po-sitions, as desired.
10.
When all desired key positions are zeroized, PT/CT -Press.
3.11 EMERGENCY CONTROL PANEL (ECP).
The emergency control panel contains switches that control emergency functions of the AMS. It provides a means of communications in the event of avionics management sys-tem (AMS) dual control display unit (CDU) failure. The
AB0802
SA
Figure 3-16. Emergency Control Panel (ECP)
zeroize switch will erase all sensitive data in the AMS, regardless of the status of the CDUs.
3.11.1 Controls and Functions. All emergency con-trols for the AMS are located on the control panel, mounted in the lower console (Figure 3-16). The function of each control is as follows:
CONTROL/ FUNCTION
INDICATOR
ZEROIZE Guarded switch. Placing in
switch ZEROIZE erases all COMSEC
data from the system.
CDU-1 AUTO Designates bus controller
CDU-2 switch
AUTO Normal position. Bus controller is
designated on startup
automatically.
CDU-1 CDU- Manually designates either CDU 1
2 or CDU 2 as bus controller.
EMERG
COMM switch
NORM Disables AN/ARC-222 control
panel.
COMM Activates AN/ARC-222 control
panel, tunes UHF AN/ARC-164
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