TM 1-1520-238-10
3-64.24
Change 8
Table 3-22.14.
BST EGI PAGE VAB OPERATIONS – continued
VAB 3
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 +/– sign is not entered.
VAB 4
Initiates an INS Reset action.
VABs 5–6
Inactive.
VAB 7
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 de-
pressing VAB 4 on the PGM MENU top level page. With
the READ page displayed and the OCTAL (or HEX) for-
mat 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 loca-
tion selected. The system defaults to OCTAL at power–
up. The READ page is shown in figure 3-25.20 and dis-
cussed below. VAB functions are explained in Table
3-22.15.
M01-0348
221234 000000 PGM
001234 123456 HEX
READ
012345 012345 OCT
123333 666666 HZ:1
Figure 3-25.20.
READ Page
Line 1. – Left–hand character field displays the legend
001234 123456, the FCC memory read address 1 and
the numerical data in that address. Right–hand character
field displays the legend HEX .
Line 2. – Displays the centered page title READ.
Line 3. – Left–hand character field displays the legend
012345 012345, the FCC memory read address 2 and
the numerical data in that address. Right–hand character
field displays the legend OCT .
Line 4. – Blanked.
Line 5. – Left–hand character field displays the legend
123333 666666, the FCC memory read address 3 and
the numerical data in that address. Right–hand character
field displays the legend HZ:1, 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
221234 000000, the FCC memory read address 4 and
the numerical data in that address. The right–hand char-
acter field displays the legend PGM .
Line 8. – Scratchpad.
