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User Manual
Rev. 1.2 - 24/01/11
PTX-DDS
6 External Description
This section describes the components found on the front and rear panel of
PTX-
DDS
.
6.1 Front Panel
Figure 6.1
[1] LOCK
Green LED, it is lit on when the PLL is locked to working frequency.
[2] ON
Green LED, it is lit on when the exciter is switched on.
[3] ALARM
Red LED, it is lit on in presence of transmitter failure in case of
hardware alarms (for example communicaton lack between the
modules). In case the LED flashing, it indicates the temperature alarm.
[4] AUDIO
Red LED, it is lit on when in case of audio lack below the thresholds
set up in ALSET menu (see chap 7.4.3.11).
[5] DISPLAY
Liquid Crystal Display, supports both graphics (240x64 pixels).
[6] ENCODER
Software control knob and button
[7] POWER
Power switch.
[8] USB
USB connector for upgrades and communications with TELECON
software.
[9] PWR OK
Green LED, it is lit on when the delivering output power get over the
thresholds of PGset set up in PGSET menu (see chap 7.4.3.2).
[10] FOLDBACK
Yellow LED, it is lit on when the foldback function is operating
(automatic reduction of the delivered RF power).
[11] LOCAL
Yellow LED, it is lit on when the exciter is set in Local status (see chap
7.4.3.2). In case the LED flashing, it indicates communications ahead
between exciter and TELECON software.
[12] INTERLOCK
Red LED, it is lit on when exciter is not delivering power because
inhibited by an interlock signal.
