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RC4600 ACU Board Set
Chapter 1
Introduction
2.1.1.1.3
Data Entry
Many RC4600 screens request some type of user input. This section provides instructions on the entry of
various types of data.
Selection from List (<0-9>SELECT)
When the user is prompted to select an action from a displayed list, pressing the numbered key
corresponding to the desired action will initiate the action.
Scrolling Through List (<SCR>THRU LIST)
When the user is prompted to scroll through a list of items, pressing the <Scroll Up/Yes> key will move
forward through the list and pressing the <Scroll Dn/No> key will move backward through the list.
Pressing the <Enter> key when the desired item from the list is displayed will select the item.
Alphanumeric Entry (NAME:SES 3)
To manually enter the name of a satellite or location, the user scrolls through the list of characters (A-Z, 0-
9 and blank) and selects the character by pressing the <6/CW/W> key. To scroll forward through the list
of characters use the <2/UP/N> key and use the <8/DN/S> key to scroll backward.
To complete the entry of the alphanumeric string, press <Enter>. The user may delete through the string
by using the <BKSP> key or move to the left to adjust once character by pressing the <4/CCW/E> key.
Integer Data Entry (SIZE: 240)
To enter whole numbers, use the 0-9 keys to enter the desired numeric string followed by the <Enter>
key. Note that the data field will initially show the current value for the item until numeric entry is started.
To terminate the entry without changing the value, the user may use the <Scroll Up/Yes> or <Scroll
Dn/No> key. The <BKSP> key may be used to move back in the string to correct the input. Pressing the
<Enter> key with the current value displayed will also result in no update.
Floating Point Data Entry (HEADING:180.0)
Entering floating point values is very similar to entering integer values except that the decimal point is
inserted by using the <Stop> key.
Degree/Minute Latitude/Longitude Entry (TRUCK LAT:38°56N)
Entering Latitude or Longitude is similar to entering a floating point value but the decimal point is used to
place the degree sign delimiter. Following the degree sign, only values from 0 to 59 are valid since they
represent minutes. After entering the numeric value of latitude or longitude, the user is prompted to
supply W(est) or E(ast) for longitude or N(orth) or S(outh) for latitude.
Degree/Decimal Longitude Entry (SAT LON:179.0E)
This entry is similar to the degree/minute entry but allows decimal fractions of degrees. This format will
be used for satellite longitude entry where the degree/minute format is standard for vehicle position entry.
Time/Date
Time is entered in HH:MM:SS format and date in MM/DD/YY format.
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