
User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier
June 2022
S e c t i o n FIRST POWER-ON, CONTROL SYSTEM, AND INITIAL CHECK | Page 33 of 76
Any status or 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 4-1 | Appearance of an alarm
). In cases where more than one messages need to be displayed at the same time, they are being
automatically toggled every few seconds.
The WARNING messages appear only temporarily (for about three seconds), afterwards the indication is
restored automatically (see Section
4.3.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.
k)
Call sign area
, Pos. (k).
As its name suggests this field can be used to display the User's callsign, however, any custom text can be
set in the USER PREFERENCES menu.
3.5.
Control System - Buttons and Menus
1)
The
OPERATE/STANDBY
button is used for manual (local) control.
, Pos.
1.
The button
OPERATE/STANDBY
switches over the amplifier between OPERATE and STANDBY modes, and
serves as an indicator of the current state;
2)
The ten band
-
selection buttons are used for direct manual (local) control.
, Pos. 2.
These ten buttons are used to select the desired band and are labeled in meters. Currently selected band is
highlighted and upon selecting one, the FREQUENCY indicator (see
, Pos. (a)) changes
its value to reflect the change.
3)
The
MENU
button provides access to the amplifier's settings and service functions.
, Pos. 3.
For more details on the control system and use of the menus see Section
Содержание 2020S
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