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

Page 53

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RC2000C Az/El Tracking Antenna Controller

Chapter 5

Modes Function Description

45

Research Concepts, Inc. • 5420 Martindale Road • Shawnee, Kansas • 66218-9680 • USA

www.researchconcepts.com

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.

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