View, Modify, Entry namerangedescription – Research Concepts RC2000C User Manual
Page 53

RC2000C Az/El Tracking Antenna Controller
Chapter 5
Modes Function Description
45
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system is invoked, the user will be presented with the following display, referred to as the main MENU
display.
1.VIEW 2.MODIFY 3.XXXXXX:_ MENU TRAK K
SAT NAME ENTER TO EXIT
The contents of the field XXXXXX: will be 'REPEAK', 'SEARCH', or 'ALIGN', depending on the track
submode that is currently active. Note that track operations cease when the MENU system is active.
Make sure that you always exit the MENU system. Hitting the ENTER key repeatedly will always cause
the MENU system to terminate by returning control to the IDLE state.
VIEW
From the main MENU display, hit the 1 key to select the VIEW system. Here is the initial view display.
TM,AZ,EL TTTTT AAAAA EEEEE MENU TRAK K
SAT NAME SCROLL ^v,ENTER TO EXIT
Where
TTTTT
is the current sidereal time in seconds
AAAAA
is the azimuth scale factor in counts per radian
and
EEEEE
is the elevation scale factor in counts per radian
Subsequent toggles on the SCROLL UP/DOWN keys display the following information from the track
table.
II TTTTT AAAAA EEEEE F MENU TRAK K
SAT NAME SCROLL ^v,ENTER TO EXIT
Where
II
is the entry index, 0-47
TTTTT
is the sidereal time in seconds for the entry
AAAAA
is the azimuth position
EEEEE
is the elevation position
and F
denotes the state of the update flag. '.' indicates that the update flag is
set, a blank indicates that the update flag is reset.
After the 47th entry has been displayed, the first screen will appear again and the entire process will
repeat. To exit this option, press ENTER to return to the MENU screen.
MODIFY
From the main MENU display hit the 2 key to select the MODIFY system.
UPDATE CHECK 0-999 HRS: 72 MENU TRAK K
SAT NAME SCROLL ^v,ENTER TO EXIT
There are 8 data items that the user is allowed to modify with this option. Each is successively
accessed by pressing the SCROLL UP/DN keys and advancing through the list. Each entry is
explained in Table 1.
TABLE 1
Entry Name
Range
Description
UPDATE CHECK
0-999 HRS
The period of time between track table basepoint
update checks. Default 33 hours.
SEARCH RETRY
0-999 MINS
The period of time between successive SEARCH
attempts when no signal is present and track table
data is not available. Default 10 minutes.