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legend ANDO,
Line 8: Blanked.
Change 4 3-64.21
TM 1-1520-238-10
Table 3-22.13. PGM MENU PAGE VAB OPERATIONS
Control/Display Function
VAB l Presents the BST EGI page.
VABs 2-3 Inactive.
VAB 4 Presents the READ page.
VAB 5 Presents the AWS HARM page.
VABs 6-7 Inactive.
VAB 8 Presents the AND page.
a. Boresight EGI (BST EGI) Page. The BST EGI
page is accessed by depressing VAB 1 on the PGM
MENU top level page. The BST EGI top level page is
shown in figure 3-25.19 and discussed below. VAB functions
are explained in Table 3-22.14.
Line 1. - Blanked.
Line 2. - Displays the centered page title BST EGI, followed
by -MR-(milliradiana).
Line 3. - Left-hand character field displays the legend
OAZ+2KXX.
Line 4. - Blanked.
Line 5. - Left-hand character field displays the legend
OEL+XX.X. Right-hand character field displays the
legend ROLL+XX.X ï
Line 6. - Blanked.
Line 7. - Left-hand character field displays the legend
OEGI RESET. The right-hand character field displays
the legend PGM0.
Control/Display
VAB l
VAB 2
Table 3-22.14. BST EGI PAGE VAB OPERATIONS
Function
Inactive.
With the value for Azimuth boresight correction angle (Units in milliradians) in the
scratchpad (E.g. -12.1). depressing VAB 2 enters the scratchpad value into the system.
The Azimuth boresight correction angle entry range shall be +/- 99.9 mr. Azimuth
boresight correction angle entry must be three digits (additional characters are ignored).
It is not necessary to enter the decimal point; it will be automatically placed. A positive
value is assumed if a +/- sign is not entered.
3-54.22 Change 4
TM 1-1520-238-10
Table 3-22.14. BST EGI PAGE VAB OPERATIONS - continued
With the value for Elevation boresight correction angle (Units in milliradians) in the
scratchpad (E.g. -12.1), depressing VAB 3 enters the scratchpad value into the system.
The Elevation boresight correction angle entry range shall be +/- 99.9 mr. Elevation
boresight correction angle entry must be three digits (additional characters are ignored).
It is not necessary to enter the decimal point; it will be automatically placed. A positive
value is assumed if a +I- sign is not entered.
VAB 3
VAB 4
VABs 5-6
VAB 8
Initiates an INS Reset action.
Inactive.
With the value for Roll boresight correction angle (Units in milliradians) in the
scratchpad (E.g. -12.1), depressing VAB 7 enters the scratchpad value into the system.
The Roll boresight correction angle entry range shall be +/- 99.9 mr. Roll boresight
correction angle entry must be three digits (additional characters are ignored). It is not
necessary to enter the decimal point; it will be automatically placed. A positive value is
assumed if a +/- sign is not entered.
VAB 8 Returns to the PGM MENU top level page.
b. READ Page. The READ page is accessed by depressing
VAB 4 on the PGM MENU top level page.
With the READ page displayed and the OCTAL (or
HEX) format selected, entering a six digit OCTAL (or
four digit HEX) number into the scratchpad and then
depressing any one of VABs 1-4 will result in the display
of FCC memory data, in the format selected, at the
memory location selected. The system defaults to OCTAL
at power-up. The READ page is shown in figure
3-25.20 and discussed below. VAB functions are explained
in Table 3-22.15.
Figure 3-25.20. READ Page Line 8: Scratchpad.
Line 1. - Left-hand character field displays the legend
ð 661234 123456, the FCC memory read address 1 and
the numerical data in that address. Right-hand character
field displays the legend HEXO.
Line 2. - Displays the centered page title READ.
Line 3. - Left-hand character field displays the legend
ð 012346 012346, the FCC memory read address 2 and
the numerical data in that address. Right-hand character
field displays the legend OCW.
Line 4. - Blanked.
Line 5. - Left-hand character field displays the legend
ð 123333 666666, the FCC memory read address 3 and
the numerical data in that address. Right-hand character
field displays the legend HZ:l, signifying the selectable
data refresh rate (1,2, or 5) for the READ page
in Hertz..
Line 6. - Blanked.
Line 7. - Left-hand character field displays the legend
ð 221234 000000, the FCC memory read address 4 and
the numerical data in that address. The right-hand
character field displays the legend PGMO.
Change 4 3-64.23
TM 1-1520-238-10
Table 3-22.15. READ PAGE VAB OPERATIONS
Control/Display Function
VAB 1-4 With a recall address in the scratchpad, depressing any of VABs 1-4 causes memory
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