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Battery Compartment
Message Display Telephone Line Cord
Contrast Adjustment Knob
Z e r o B u t t o n
Data Interface RS-232C
S T U I I
F i l l
C o n n e c t o r
1 5 1 4 1 - 0 2
A - D - 9 1 - 4
T w i s t - L o c k P o w e r C o n n e c t o r
Figure 2. STU II/B SECTEL Back View
KEYPAD-A standard telephone keypad.
AUTOVON/IVSN BUTTONS -The four AUTOVON/IVSN buttons
provide the user with precedence capability. They operate as follows:
Sends aFlash Override signal (highest priority) to the AUTO VON or
I V S N
n e t w o r k .
Sends aFlash signal (second priority) to the AUTOVON or IVSN net¬
w o r k .
Sends an Immediate signal (third priority) to the AUTOVON or IVSN
n e t w o r k .
Sends aPriority signal (lowest priority) to the AUTOVON or IVSN
n e t w o r k .
MEMORY DIAL BUTTONS -Two rows of eight memory dial but¬
tons used for speed dialing and abbreviated dialing storage (ADS).
[ f ^
I
F U N C T I O N B U T TO N S
The following list describes the function buttons.
Places the terminal in secure mode if avalid CIK is in¬
s e r t e d .
Places the terminal in clear mode; enables clear mode calls
during aloss of power.
Advances Message Display text to present additional infor¬
mation. In program mode, press ISCROLlI to view next
s t e p .
S E C U R E
C L E A R
S C R O L L
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