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TB 43-0117
UNIT INDICATORS (Cont'd)
UNIT
EXAMPLE OF USE
IND.
FAMILY NAME
TT
Teletypewriter and
facsimile apparatus -------------------------------- Miscellaneous tape, teletype,
facsimile equipment
TW
Tape units -------------------------------------------- Preprogrammed with operational test
and checkout data
V
Vehicles ---------------------------------------------- Carts, dollies, vans, peculiar to
electronic equipment
ZM
Impedance measuring
devices------------------------------------------------ Used for measuring Q, C, L, R or PF
TABLE IV
MISCELLANEOUS IDENTIFICATIONS
X,Y,Z ---------------- Changes in voltage, phase or frequency, e.g., AN/VRC-51X
T --------------------- Training, e.g., AN/APQ-13-T1, AN/APQ-T1
(V) ------------------- Equipments having a variable complement, e.g., AN/FRC-39(V),
OA-7667(V)/FYQ-41(V)
(P) ------------------- Unit accepting plug-ins, e.g., R-1329(P)/GRC-103(V)
(X) ------------------- Developmental indicators, e.g., AN/PRC-lO(X--), RT-505(X--)/
PRC-10
( ) -------------------- Developmental or series "generic" assignment, e.g.,
AN/PRC-10( ), RT-505( )/PRC-10
(-ft-in) --------------- Identical items w/varying lengths, e.g., CX-1076/U(-ft-in)
E-7/(E-8 Blank)
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