V10/V7.5/V5/V3.5 Installation and Operation Manual Page 4-5
Section 4 Testing and Adjustment Issue 3.5
(b) Remotely turn off RF power stages by
activating an input to remote interface
PWB's RF OFF terminal(s) [TB4-4 (+)/
TB4-5 (-)].
(c) The RF output, as displayed by the RF
KILOWATTS meter and GUI, will
immediately go to 0 W, indicating the
RF power stage is turned off.
(d) The Control - RF On switch's integral
lamp will turn off and the Control - RF
Off switch's integral lamp will turn on.
(e) All cooling fans will turn off.
(f) The remote interface PWB’s RF ON
STATUS terminal (TB1-14) will be
open-collector.
(g) Remaining remote indications will be
as they were before turn-off.
(h) Remotely turn on RF power stages by
activating an input to remote interface
PWB's RF ON terminal(s) [TB4-2 (+)/
TB4-3 (-)].
(i) The RF output, as displayed by the RF
KILOWATTS meter and GUI, will be
restored to rated power.
(j) The Control - RF On switch's integral
lamp will turn on and the Control - RF
Off switch's integral lamp will turn off.
(k) All cooling air fans, except the standby
IPA module’s fan (for V10 only), will
turn on.
(l) The remote interface PWB’s RF On
Status terminal (TB1-14) will be a
current-sink-to-ground.
(m) Verify RF power stages can be turned
off locally, when remote control is
selected. Press the Control - RF Off
switch.
(n) Remotely turn on RF power stages by
activating an input to remote interface
PWB's RF ON terminal(s) [TB4-2 (+)/
TB4-3 (-)].
4.3.5.3 Remote Selection of Active
Exciter (if applicable)
If the transmitter is configured for dual
exciter operation, verify exciter A or exciter
B can be selected from a remote location
as follows:
(a) Verify 4.3.5.1 is complete.
(b) Remotely select exciter B as the active
RF drive source by activating an input
to the remote interface PWB's EXT
EXCTR B terminal(s) [TB3-4 (+)/
TB3-5 (-)].
(c) The RF output, as displayed by the RF
KILOWATTS meter and GUI, will
momentarily go to 0 W and then return
to rated power.
(d) The GUI will indicate that exciter B is
active. The remote interface PWB’s
EXCITER STATUS terminal (TB1-15)
will be a current-sink to ground.
(e) Remotely select exciter A as the active
RF drive source by activating an input
to the remote interface PWB's EXT
EXCTR A terminal(s) [TB3-2 (+)/
TB3-3 (-)].
(f) The RF output, as displayed by the RF
KILOWATTS meter and GUI, will
momentarily go to 0 W and then return
to rated power.
(g) The GUI will indicate that exciter A is
active. The remote interface PWB’s
EXCITER STATUS terminal (TB1-15)
will be an open-collector.
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