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MSF
5000
Instruction Manual
Chapter
2
Operation
Station Operation
Tx Lock LED
A
green
light
indicates
the
transmit synthesizer is locked and functioning
correctly.
PA Key
LED
A
yellow light
indicates
the
PA key
is requested from the
SSCB
to the
power
control circuit in the
RF
Tray.
May
not result in
PA activity if
the
power control
circuit
senses
a
PA
failure and disallows
a
key-up.
Disable
LED
A
steady
red
light indicates
the
Acc Dis/Reset switch
is
set to
Acc
Dis
or the
PL
t switch is
set to
PL Dis.
Dis/Xmi
A
flashing
red
light indicates
the
power
control service mode is active.
Secure Controls
and Indicators
68P81092E06
3/14/94
The
controls and indicators associated
with
secure operation
are
also
shown in
Figure
2-1.
These
are
only
present on stations containing the Secure board.
Rx CD (receive code detect)
SECURE
(optional board)
ONLY;
A
yellow light
indicates
a
secure receive code
has been detected.
Secure Fail
SECURE
(optional board)
ONLY;
A
red
light
indicates
the secure
board is held
in
reset or a
failure is detected in
the Secure board.
Tx CD
(transmit code detect)
SECURE
(optional board)
ONLY;
A
yellow light
indicates the secure transmit
code has been detected at the transmitter
wireline input.
2-5
MSF
5000
Instruction Manual
Chapter
2
Operation
Station Operation
Tx Lock LED
A
green
light
indicates
the
transmit synthesizer is locked and functioning
correctly.
PA Key
LED
A
yellow light
indicates
the
PA key
is requested from the
SSCB
to the
power
control circuit in the
RF
Tray.
May
not result in
PA activity if
the
power control
circuit
senses
a
PA
failure and disallows
a
key-up.
Disable
LED
A
steady
red
light indicates
the
Acc Dis/Reset switch
is
set to
Acc
Dis
or the
PL
t switch is
set to
PL Dis.
Dis/Xmi
A
flashing
red
light indicates
the
power
control service mode is active.
Secure Controls
and Indicators
68P81092E06
3/14/94
The
controls and indicators associated
with
secure operation
are
also
shown in
Figure
2-1.
These
are
only
present on stations containing the Secure board.
Rx CD (receive code detect)
SECURE
(optional board)
ONLY;
A
yellow light
indicates
a
secure receive code
has been detected.
Secure Fail
SECURE
(optional board)
ONLY;
A
red
light
indicates
the secure
board is held
in
reset or a
failure is detected in
the Secure board.
Tx CD
(transmit code detect)
SECURE
(optional board)
ONLY;
A
yellow light
indicates the secure transmit
code has been detected at the transmitter
wireline input.
2-5
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