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The MARK-V FT-1000MP can be used with the
optional Yaesu FL-7000 or VL-1000 Linear Amplifier,
providing automatic band switching via digital band data
output from the BAND DATA jack on the rear panel of
the transceiver. Most other amplifiers can be adapted
to operate with the MARK-V FT-1000MP; however, the
main points to be concerned with are the switching re-
quirements of the amplifier, and if QSK (full break-in)
operation is desired. The linear amplifier Tx/Rx switch-
ing capability of the MARK-V FT-1000MP is described
in the table below.
Parameter
QSK
Relay Disabled
DC Switching
< 40VDC
Voltage
DC Swiching
< 150 mA
Current
AC Switching
Voltage
AC Swiching
Current
MARK-V FT-1000MP Operating Manual
L
A
INEAR
MPLIFIER
Operation
Non-QSK
Relay Enabled
< 60 VDC
< 200 mA
< 100 VAC
< 500 mA
A
CCESSORY
I
NTERFACING
O
QSK A
PERATION WITH
Connect the RF output from the transceiver ANT
jack (A or B) to the RF input jack of the linear. Connect
the ALC output from the linear to the EXT ALC jack on
the rear of the transceiver (see the "About ALC" dis-
cussion below). After making the RF and Tx/Rx switch-
ing connections described below, you may need to
adjust the ALC output level of the linear so that it is not
overdriven by the MARK-V FT-1000MP. Your linear's
manual should describe how to do this.
If using a VL-1000, connect the BAND DATA Cable
(supplied with the VL-1000) from the transceiver BAND
DATA jack to the amplifier BAND-DATA 1 jack; this will
provide automatic band selection for the linear, as well
as QSK Tx/Rx switching control. You may also con-
nect a user-constructed control cable (refer to VL-1000
manual for details) from the transceiver REMOTE jack
to the amplifier BAND-DATA 2 jack to provide auto-
matic amplifier tune-up for the linear using the MARK-
V FT-1000MP. Press the VL-1000's front panel ATT
switch to activate the 3 dB input RF power attenuator,
to pad the 200 Watt (maximum) input power from the
MARK-V FT-1000MP.
I
NSTALLATION
MPLIFIERS
page 11

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