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Chapter
2
Operation
MSF
5000
Instruction Manual
Special Service
Modes
Power Control
Service
Mode
While servicing
the
station,
it may
be
necessary
to
override
the
power control
circuits and
key
the station.
While
the
power control service mode
is enabled, all
power control failure indications
to the
transmitter
are
disregarded.
This allows
the user to
bypass
the safety of the
power control circuit during servicing.
NOTE
During
the
power
control service mode, the
transmitter is allowed
to
operate although
a
potentially damaging condition may
exist. Therefore,
key
the
transmitter for
only
short periods of time
during servicing. Never
leave
the
station in
the
power
control service mode
during normal, unattended
operation.
To enable the
power control service
mode:
1.
Press and hold the
Select/Set switch
to
Set.
Verify
the
decimal point
is not
displayed.
2.
Press and
hold
the
PL Dis/Xmit
switch
to
Xmit.
Verify
the
Status display indicates tSt. This indicates
the
PA
test
mode is
enabled.
3.
Release
the
Select/Set switch.
4.
Release the
PL Dis/Xmit
switch.
Verify
the station
unkeys,
the
Dis LED
flashes, and the
RW2 PA (A12/D1)
MUxbus
bit is active. The power control
is
disabled for
PA
testing purposes.
To exit the
power control service
mode:
Set the
Acc Dis/Reset switch
to
Reset
and release the switch.
Verify
the
Dis LED
is not
lit
after the reset sequence is complete.
2-12
68P81092E06
3/14/94
Chapter
2
Operation
MSF
5000
Instruction Manual
Special Service
Modes
Power Control
Service
Mode
While servicing
the
station,
it may
be
necessary
to
override
the
power control
circuits and
key
the station.
While
the
power control service mode
is enabled, all
power control failure indications
to the
transmitter
are
disregarded.
This allows
the user to
bypass
the safety of the
power control circuit during servicing.
NOTE
During
the
power
control service mode, the
transmitter is allowed
to
operate although
a
potentially damaging condition may
exist. Therefore,
key
the
transmitter for
only
short periods of time
during servicing. Never
leave
the
station in
the
power
control service mode
during normal, unattended
operation.
To enable the
power control service
mode:
1.
Press and hold the
Select/Set switch
to
Set.
Verify
the
decimal point
is not
displayed.
2.
Press and
hold
the
PL Dis/Xmit
switch
to
Xmit.
Verify
the
Status display indicates tSt. This indicates
the
PA
test
mode is
enabled.
3.
Release
the
Select/Set switch.
4.
Release the
PL Dis/Xmit
switch.
Verify
the station
unkeys,
the
Dis LED
flashes, and the
RW2 PA (A12/D1)
MUxbus
bit is active. The power control
is
disabled for
PA
testing purposes.
To exit the
power control service
mode:
Set the
Acc Dis/Reset switch
to
Reset
and release the switch.
Verify
the
Dis LED
is not
lit
after the reset sequence is complete.
2-12
68P81092E06
3/14/94
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