TM 11-7440-232-12/NAVELEX 0967-LP-275-5010
Table 2-1. OPERATOR/CREW PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Continued)
INTERVAL
Item To Be
Procedures Check
Item
Inspected
For And Have Repaired Or
Equipment Is Not
No.
B
D
AWM
Adjusted As Necessary.
Ready/Available If:
8
BIT
On transmitter, rotate TRANS MODE
BIT RATE switch
RATE
switch through all switch setting posi-
will not rotate or
switch
tions. Check that switch can be posi-
does not align with
tioned to NORM, LOW, HIGH, REV.
applicable switch
PATT.
position.
9
REC MODE
On limiter discriminator, rotate
REC MODE switch
switch
REC MODE switch through both sw-
will not rotate or does
itch setting positions. Check
not align with appli-
that switch can be positioned to
cable switch position.
NORM or BACK TO BACK.
10
BIT RATE
On decoder error detector move
BIT RATE switch
switch
BIT RATE switch through both sw-
will not move or
itch setting positions. Check
does not align with
that switch can be Positioned
applicable switch
to LOW or HIGH.
position.
11
BIT RATE
On digital receiver clock, rot-
BIT RATE switch
switch
ate BIT RATE switch through all
will not rotate or
switch setting positions. Check
does not align with
that switch can be positioned
applicable switch
to 0.6, 1.2, 2.4.
position.
12
Shutdown
Set power supply switch to OFF.
13
POWER OFF
Observe that POWER indicator lamp
POWER lamp is
visual
is not lighted.
lighted.
indication
2-7
