TM 1-1520-240-10
3-2-24
CONTROLS/
INDICATOR
FUNCTION
PRESET Switch
Rotary selector switch which
controls unit operating power
and settings which are stored
in memory.
OFF
Removes power from
KY-100.
MAN
Manual position which allows
operating modes to be se-
lected using both OFFLINE
and online menu system.
1 thru 6
Six separate preset modes
which can only be set up in
the OFFLINE mode.
FILL Connector
Used to load cryptographic
keys through the use of com-
mon fill devise such as
KYK-13/TSEC Electronic
Transfer Devise, KYX-15/
TSEC Net Control Devise,
AN/CYZ-10 Data Transfer
Devise (DTD), or the
KOI-1//TSEC General pur-
pose Tape Reader.
Three Button
Keypad
Momentary pushbutton
switches active in both OF-
FLINE and on-line modes.
Used to enter and exit sub-
menus, activate the selected
mode, select fields,and to
scroll through menus and op-
tions.
INIT
Initiate switch. In the OF-
FLINE mode activates the
displayed menu mode and
provides entry into subme-
nus. In on-line modes (CT,
RK, EB,PT), it selects the dis-
play field to be change.
Up Arrow ()
Switch
In the OFFLINE mode, it is
used to scroll through menus
from top to bottom. In on-line
modes (CT, RK, EB, PT), it is
used to scroll through avail-
able options for the display
field being changed.
Right Arrow ()
Switch
In the OFFLINE mode, it is
used to scroll through menus
from bottom to top. In the on-
line modes (CT, RK, EB, PT)
it is used to select the display
field to be changed.
CONTROLS/
INDICATOR
FUNCTION
Simultaneous ()
Used to exit a submenu.
Display, LCD
Back-lighted Liquid Crystal
Display (LCD) indicates op-
erational status, operator
prompts and messages.
3-2-27.
Display
Annunciators/Fields
(TSEC/
KY-100, Z-AVH). (fig. 3-2-10)
CONTROLS/
INDICATOR
FUNCTION
TX Annunciator (1)
Displayed when KY-100 is
transmitting.
RX Annunciator (2)
Displayed when KY-100 is re-
ceiving.
Wb Annunciator (3)
Displayed when KY-100 is in
the Wideband (VINSON)
configuration.
Nb Annunciator (4)
Displayed when KY-100 is in
the Narrowband (ANDVT)
configuration.
Eb Annunciator (5)
Displayed when MODE con-
trol switch is in the Emergen-
cy Backup (EB) position.
Alphanumeric
Display (6)
Provides prompts, mes-
sages, and mode indications.
PT Annunciator (7)
Displayed when KY-100 is
processing plaintext voice.
Key Symbol (8)
Displayed when menu sys-
tem is locked.
D Annunciator (9)
Displayed when in Data
mode.
V Annunciator (10)
Displayed when in Voice
mode.
Rate Display (12)
3-character display indicates
voice or data rate.
3-2-28. Turn-On Procedure.
When the KY-100 is turned on, tests are automatically
performed to determine the equipment’s operating sta-
tus. The results of these tests will be presented on the
display. Also, a Cld START message will be displayed.
a. Cold start turn-on. (Initiated if no traffic encryption
key (TEK) is contained in the KY-100).
(1)
Turn on the KY-100 by turning the PRESET
switch to the MAN position.
(2)
The KY-100 will initiate a self -test. The dis-
play reads Cld STRT and then PSH INIT.
