ARMY TM 5-6675-308-12
MARINE CORPS TM 08837A-12/1A
b. After the operator has entered the known trig
list position and/or elevation data of the survey control
SYMBOL
MEANING
point into the PADS, the system automatically tests the
difference between the update coordinates (trig list
X(ID)
A numeric display identifying the mark
data), and his actual PADS position coordinates. If the
table-data location of a completed
difference (error) is within the built in calibrated toler-
mark or update. The mark table cart
ance parameters, the update is accepted and the CDU
store 30 positions
will display IDO PAE U-U.
PAE
Stands for Position Azimuth, Eleva-
c. When PADS accepts an update and displays ID
tion. PAE display with no numeric
PAE U-U, the system has told the operator that PADS
summary indicates a mark or update
has met the required specified accuracies needed for
was not completed
that update and all surveyed stations established back to
the previous update. The order of accuracy is based
Indicates that an update of position
U
upon the time interval of zero-velocity correction
and/or elevation is complete
performed during the mission. To obtain prescribed
1
Indicates that a theodolite was used to
accuracies, the required zero-velocity correction inter-
mark position azimuth and/or eleva-
vals are shown below:
tion
Indicates that the PADS plumb bob
2
REQUIRED TIME
was used to mark position, azimuth
INTERVAL
REQUIRED ACCURACY
and/or elevation.
Indicates that a probable error is in
E
10 minute zero-velocity
Battalion Survey Accuracy
the numeric location of the PAE dis-
corrections
play
Division Artillery Accuracy 5 minute zero-velocity
Indicates that either position, azimuth
corrections
and/or elevation was not marked or
updated
d. Procedures used to update position and/or ele-
vation with plumb bob or theodolite are listed in steps
Shown below are examples of the displays.
3, 4, 5, and 6 of table 3-2.
You have updated position
and elevation using either
3-12. Update Rejection.
plumb bob or theodolite
a. While updating the system, PADS tests the dif-
You have marked position
ference between the update coordinates (trig list data),
and elevation using a the-
and the actual PADS position coordinates.
odolite
b. If the difference (error) is within a built-in toler-
You have marked position,
azimuth, and elevation us-
ance, the update is accepted and the display will read
ID PAE U-U.
ing a theodolite
You have marked position
c. If the difference (error) is outside the built-in
and elevation u s i n g a
tolerance, PADS recues for the data by flashing "E" on
the CDU followed by the data the operator entered.
plumb bob
d. The flashing "E" indicates an update rejection.
You have marked position,
azimuth, and elevation us-
The operators will check the probable reason and take
ing a plumb bob
the appropriate corrective action(s) as outlined in the
update rejection troubleshooting table 3-3.
mark, PADS summarizes the results by displaying the
following:
PAE X X X
X(ID)
(X means the value does not matter for this
illustration)
The symbols used in the summary are:
3-17
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