Antenna Tuner; Activate Tuner; Start Re-Tuning Cycle Start; Permanent Transmit Operation Tx / On - Hilberling PT-8000A Operating Manual

PT-8000A Operating Manual v2.00.33
20 T
R AN S M I T T E R
20.1 Antenna Tuner ANT-TUNER

20.1.1 Activate TUNER

Fig. 98

20.1.2 Start Re-Tuning Cycle START

Fig. 99

20.1.3 Permanent Transmit Operation TX / ON

Fig. 100a
Fig. 100b
Fig. 100c
C
ONT RO LS
Various controls for transmitter settings are located on the front panel as
depicted.
Transmitting (TX) is only possible when MAIN-RX is the active one and SUB-RX
is working in the background.
For protecting the power amplifier the output power will be reduced if SWR is
greater than 1.5. Up to SWR close to 2.0 the internal antenna tuner enables to
increase the antenna adjustment (see also Page 3)
Pushing TUNER button will activate the antenna tuner.

TUNER-LED will be on.
Pushing START button will start the detection and storage for optimal
adjustment of the antenna tuner at the current frequency. The output power is
reduced to driver power.

START-LED will be on.
The antenna tuner starts its automatic alignment and will terminate
automatically.

START-LED will be off.
Pushing TX/ON button will switch PTT permanently.
E.g. when antenna tuner has been adjusted (20.1.1 and 20.1.2) the output
power can be checked.
Pushing TX/ON will activate TX operation.

TX-LED will be on.
Pushing TX/ON again will terminate TX operation.

MAIN-RX LED will be on.
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