l Dial TEST SELECT switches to 66.
l Press and release TEST button.
l Check that VTM display indicates
Does VTM display and hold m
Ra-dial 66 and press TEST
Does VTM display indicate and
l Dial TEST SELECT switcheg to 99,
l Check that several numbers appear on VTM display,
l Wait for VTM display to indicate ~~.
The VTM can fail the Confidence Test
if a bad transducer is connected to it.
If the VTM fails, the Confidence Test
when powered by W5, (TK power ca-
ble), disconnect all cables from J2, J3
and J4 and try again.If it passes, one
of the transducers Is bad. If it fails,
the VTM has failed internally.
l Repeat Confidence Test.
l Wait for VTM display to
Does VTM display Indicate
Replace STE/lCE set.