TM 11-5840-281-12-1
2-9. SIMULTANEOUS MODE OPERATION. (CONT)
NOTE
Use offset centering feature on the slave control-indicator to extend the range
when greater radar video resolution is desired at or near maximum range of
display. To offset center of crt display, see Search Operation, Offsetting Video
Display (para 2-6).
11. Rotate EL TARGET control (10) on master fully counterclockwise to WIDE position.
12. Place EL CURSOR switch (11) on master to GP position.
13. Place ANGLE VOLTS switch (12) on master to OPERATE position.
2-10. IFF OPERATION.
When the radar set is used in conjunction with Interrogator Set ANITPX-44, it is capable of displaying IFF video when
SCAN MODE switch on master control-indicator is placed to SEARCH, SIMULT, or IFF position, and IFF ANT SCAN
CONT switch on interrogator set is placed to the RADAR position. Refer to TM 11-5895468-12 for operating information
on the interrogator set.
SEARCH MODE
NOTE
In the search mode of operation, radar target and IFF reply is displayed on all
ranges except 80. When in the 80-mile range position, only IFF return will be
seen. Refer to Scan and Video Presentation Checks and Preliminary Operating
Procedure (para 2-5) for the different combination of switch settings and
displayed data when operating in search mode.
When necessary, use offset centering feature on control-indicators to extend the
range when greater video resolution is desired at or near maximum range of
display. To offset center of crt display, see Search Operation, Offsetting Video
Display (para 2-6).
When not in operation, perform Preliminary Control Settings (para 2-4) and Preliminary Operating Procedure (para 2-5),
omitting scan and video presentation checks, to place the radar set in operation.
The illustration above exhibits a typical ppi display during search operation when using IFF equipment. The radar target
return appears on the display with its associated IFF return behind it.
2-31
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