User's Manual | ACOM 1200S | 1.8-54 MHz Linear Power Amplifier
S e c t i o n FIRST POWER-ON, CONTROL SYSTEM, AND INITIAL CHECK | Page
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d) RX/TX indicator
Please, see Figure 3-2 Basic screen without ACOM 04AT antenna tuner assigned, Pos. (d).
RX/TX indicator reads the request for transmit (KEY-IN input). The RX indication is green and the TX is red.
The indicator will flash frequently if switch over request is rejected by the amplifier controller.
e) Forward power bargraph and digital readout
Please, see Figure 3-2 Basic screen without ACOM 04AT antenna tuner assigned, Pos. (e).
Displays the forward power fed into the antenna.
f) Reflected power bargraph and readout
Please, see Figure 3-2 Basic screen without ACOM 04AT antenna tuner assigned, Pos. (f).
Entering the red zone is not allowed. Displays the power reflected from the antenna.
g) PA transistor temperature bargraph and readout
Please, see Figure 3-2 Basic screen without ACOM 04AT antenna tuner assigned, Pos. (g).
Entering the red zone is not allowed.
h) CAT interface information
Please, see Figure 3-2 Basic screen without ACOM 04AT antenna tuner assigned, Pos. (h).
When CAT is deactivated, this field is shaded.
i) REMOTE CONTROL information field
Please, see Figure 3-2 Basic screen without ACOM 04AT antenna tuner assigned, Pos. (i).
Flashing the REMOTE CONTROL represents RS-232 port dataflow.
j) Alarm messages area
Please, see Figure 3-2 Basic screen without ACOM 04AT antenna tuner assigned, Pos. (j).
Any alarm messages (either WARNING or SOFT FAULT) appear on yellow background and are flashing
frequently in order to attract the operator's attention (see Figure 4-3 Appearance of an alarm message).
The WARNING messages appear only temporarily (for about three seconds), afterwards the indication is
restored automatically (see Section 4.4.a) First protection level - WARNING).
The SOFT FAULT messages appear in the same field but they remain on the screen until the AUTO OPERATE
time is elapsed (see Section 4.1.c) AUTO OPERATE user settings) or until the operator pushes any button.
3.5. Control System - Buttons and Menus
1) The OPR/STB and the BAND buttons are used for manual (local) control.
Please, see Figure 3-2 Basic screen without ACOM 04AT antenna tuner assigned, Pos. (1)).
• The left-most button OPR/STB switches over the amplifier between OPERATE and
STANDBY modes;
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