FAX 5/10/20/30/40KW
October 28, 2013
3
‐
13
888
‐
2720
‐
001
WARNING:
Disconnect
primary
power
prior
to
servicing.
Copyright
©2013,
Harris
Broadcast
9/28
13:10
=
Time
and
date
fault
occurred
or
cleared
If
this
fault
was
highlighted
it
would
be
an
active
fault
3.7.2
STATUS>EXCITER Menu
The
Exciter
submenu
displays
the
status,
switching
mode
and
meter
readings
for
the
Exciter(s)
installed
in
the
FAX
transmitter.
3.7.3
STATUS>Drive Chain Menu
The
Drive
Chain
submenu
displays
the
status,
switching
mode
and
meter
readings
for
the
IPA’s
in
each
power
block.
The
IPA
is
always
in
top
left
slot
in
each
power
block,
refer
to
Figure
2
‐
1.
The
IPA
has
2
amplifiers,
side
A
and
side
B.
Only
one
side
of
the
IPA
operates,
the
other
is
in
standby
and
ready
for
operation
if
the
on
‐
air
side
faults.
Note
that
on
IPA
switchover
the
IPA’s
in
each
Power
Block
will
switch
at
the
same
time.
For
example
if
IPA
A
fails
in
Power
Block
3,
all
IPA’s
in
the
transmitter
will
switch
to
IPA
B.
Table 3-3 STATUS>EXCITER Menu Description
Menu
Description
EXC
ON
AIR:A
Displays
On
‐
Air
Exciter
A
or
B
EXC
SW
MODE:AUTO
Displays
dual
exciter
switching
mode:
Auto
on
Manual
EXC
ATUTO
SW:READY
Displays
the
exciter
Switchover
relay
status:Ready
or
Tripped;
If
Tripped
manual
reset
required
by
pressing
ON
button
MODULATION:FM
Displays
Exciter
Mode:FM,
HD,FM+HD,SLC;
Also
displayed
on
LCD
HOME
screen;
Mode
set
by
exciter
which
changes
the
transmitter
operating
mode
between
Class
C
and
Class
AB
EXCITER
A:OK
Displays
status
of
Exciter
A
Fault
Line:
OK,Fault
EXCITER
B:OK
Displays
status
of
Exciter
B
Fault
Line:
OK,Fault
EXC
A
PWR:2119mW
Displays
Exciter
A
power
level
in
milliwatts;
Calibrated
to
DC
voltage
from
exciter
interface.
EXC
B
PWR:2119mW
Displays
Exciter
B
power
level
in
milliwatts;Calibrated
to
DC
voltage
from
exciter
interface.
APC
V:2.84
Displays
APC
voltage
from
FAX
to
Exciters
(Typically
about
0.1
Volts
less
at
exciter)Range
0
‐
4.75
VDC(Configurable
on
System
Interface
S2
‐
1)
STATUS>Drive
Chain
Menu
Description
Menu
Description
IPA
ON:
A
Displays
the
IPA
that
is
on
‐
air;
All
IPA’s
in
transmitter
will
be
A
or
B
(no
individual
power
block
switching)
IPA
SW
MODE:
AUTO
Displays
drive
chain
(IPA)
switching
mode:
Auto
on
Manual
IPA
AUTO:
READY
Displays
the
Drive
Chain
(IPA)
relay
status:Ready
or
Tripped;
If
Tripped
manual
reset
required
by
pressing
ON
button;
Trip
is
on
IPA
RF
Level
only
which
is
detected
oon
RF
Switch
bd.
Trip
level
is
500
mV
out
of
detector
which
is
approximately
30
%
of
TPO.
Summary of Contents for Flexiva FAX 5KW
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