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Home > Ordnance Documents and other related manuals > > VTM Confidence Tests.
Performing the STE Self-Test - Od16090117
Beginning Self-Test 666.

M2/M3 Bradley Fighting Vehicle: Turret
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M2/M3 BRADLEY FIGHTING VEHICLE: TURRET - OD1609 LESSON 3/TASK 1
(3)
If the VTM display shows blank, then shows .8.8.8.8, then is blank again,
troubleshoot the STE test set for the symptom VTM DISPLAY BLANK, THEN .8.8.8, THEN
BLANK, as outlined in TM 9-4910-751-14-1, chapter 5.
c.
VTM Confidence Tests.
Two VTM confidence tests must be performed as the
first steps in the self-test.
(1)
VTM Confidence Test 66.
To perform the first confidence test, follow these
steps:
Step 1.
Set the TEST SELECT switches on the VTM to 66.
Step 2.
Press the TEST button on the VTM.
Step 3.
The display on the VTM should show 0066.
If it does not show 0066,
troubleshoot the test set for the symptom VTM DOES NOT DISPLAY 0066, in accordance
with TM 9-4910-751-14-1, chapter 5.
(2)
VTM Confidence Test 99.
To perform the second confidence test, follow
these steps:
Step 1.
Set the TEST SELECT switches on the VTM to 99.
Step 2.
Press the TEST button on the VTM.
Step 3.
The VTM display should flash some numbers and then show PASS.  If the
display does not show PASS, troubleshoot the test set for the symptom VTM DISPLAYS
AN ERROR CODE, in accordance with TM 9-4910-751-14-1, chapter 5.
(3)
Clearing the Unit.
To clear the unit, follow these steps:
Step 1.
Set the TEST SELECT switches on the VTM to 00.
Step 2.
Press the TEST button on the VTM.
Step 3.
Check the display on the SETCOM.  The SETCOM display should show STE-
M1/FVS CLEAR UNIT.  If it does not, troubleshoot the test set for the symptom SET
COMMUNICATOR DOES NOT DISPLAY STE-M1/FVS CLEAR UNIT, as outlined in TM 9-4910-751-
14-1, chapter 5.
111






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