c) Working mode indicator - OPR, STB or AUTO OPER
Please, see Figure 3-2 | Basic screen, Pos. (c).
For detailed information, please, see Section 4.1 Change of Modes RX/TX and OPERATE/STANDBY; AUTO OPERATE
User Setting.
d) RX/TX indicator
Please, see Figure 3-2 | Basic screen, 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 is impossible.
e) Forward power bar graph and digital readout
Please, see Figure 3-2 | Basic screen, Pos. (e).
Displays the forward power fed into the antenna.
f) Reflected power bar graph and digital readout
Please, see Figure 3-2 | Basic screen, Pos. (f).
Displays the power reflected from the antenna. Entering the red zone is not allowed.
g) PA transistor temperature bar graph and digital readout
Please, see Figure 3-2 | Basic screen, Pos. (g).
Entering the red zone is not allowed.
h) CAT interface information
Please, see Figure 3-2 | Basic screen, Pos. (h).
When CAT is deactivated, this field is shaded.
i) REMOTE CONTROL information field
Please, see Figure 3-2 | Basic screen, Pos. (i).
Flashing the REMOTE CONTROL represents RS-232 port dataflow.
3.5. Control System - Buttons and Menus
3.5.1. OPR/STB and BAND buttons
The OPR/STB and the BAND buttons are used for manual (local) control (see Figure 3-2 | Basic screen):
• The left-most button OPR/STB switches over the amplifier between OPERATE and
STANDBY modes;
• The next two buttons - BAND up and down arrows change the frequency bands in
ascending or descending order.
When ACOM 04AT tuner is assigned, BAND buttons are called SEGMENT and change the
tuner frequency segments (see Section 4.4 Operation with an External Antenna Tuner).
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