Wegener UNITY500, Manual

Page: 21 / 56

UNITY 500 Page 21
Page 21 of 56 800001-01
SECTION 2
OPERATION
2.1 GENERAL
This section provides information and procedures for powering up and operating the unit.
The IRD can be controlled via COMPEL, local terminal, modem (remote terminal), and On-
Screen-Display push buttons. Normally, COMPEL is the primary method of controlling the
IRD, while the other control methods are supplemental. See Section
2.7.1 (Page 25) for more
information, and the COMPEL Manual for a complete explanation of COMPEL controls.
2.2 FRONT PANEL CONTROLS AND INDICATORS
The front panel indicators and controls are shown below and are described in Table 4.
Figure 3. UNITY500 Front Panel
Table 4. Front Panel Controls and Indicator
Item Description
IRD Status See Table 5 (Page 22) for a description of the Status LED.
On-Screen-
Display On-Screen-Display (OSD) of IRD may be activated by pressing the
<SELECT> front panel push-button switch. It is also automatically
activated by certain IRD status conditions such as loss of signal.
<SELECT> Push button activates (OSD) and selects options displayed.
<ENTER> Push button enters options selected on OSD.
2.3 LED AND ALARM/WARNING CONDITIONS
The unit's only LED is RED/GREEN, located on the front panel, and labeled Status. Its behavior
is described in the following table, which also includes a list of warning, alarm, and boot fail
conditions. See the explanation following
Table 5 (Page 22) for descriptions of Flash, Blink, and
Flutter.
Digital Television Receiver
UNITY500
Digital The Platform B r o a d c a s t i n g
SELECT STATUS ENTER
Compel