Operation Manual

2-14
2.2.2. RESOLUTION CHECK USING
THE TS-4348/UV TEST SET
NOTE
The TS-4348/UV Test Set can be used by the operator to check
the resolution of a monocular at any time.
NOTE
The TS-4348/UV Test Set can be used by Direct Support/Inter-
mediate Level to perform the resolution testing 180 Day Serv-
ice. If a system fails it must be tested on the TS-3895A/UV Test
Set.
NOTE
Verify the resolution of the monocular using the TS-4348/UV
Test Set at every opportunity. The resolution cannot be accu-
rately measured without the test set.
The following procedures are designed to check the performance
of the image intensifier.
a. Setup
Before using the TS-4348/UV Test Set to set up and familia-rize
yourself with its operation and the warnings and cautions associ-
ated with that test equipment.
NOTE
• The resolution test must be performed in a darkened area.
Your eyes must be dark-adapted to perform this test. Review
the following test procedure before entering the dark area.
• Expect cosmetic blemishes, such as chicken wire, black
spots, and fixed-pattern noise, to stand out while viewing
through the TS-4348/UV Test Set when it is on the high light
level. This is acceptable.
• The rejection of any MUNVM for cosmetic defects must be
based on an outdoor evaluation and not the TS-4348/UV Test
Set.
b. Low Light and High Light Resolution Test Procedure
Test the monocular for low light and high light resolution perfor-
mance according to the following steps.
(1)
Place the HIGH/LOW switch on the test set to the LOW position.