Seq
Item
Procedure
Reference
No.
55
Mode control
Set C-D LEVEL switch to HOLD and GC1
switch to OFF, and observe that GC1
indicator goes out and LEVEL
indicator lights.
a. Set EU SCAN SELECT switch to CHAN X
56
Divide-by-5 logic .................
b. Set EU TEST SET SCAN switch to 10,
and observe counter for an indication
of 15 ( 1) Hz.
∆ Vx gain change ................
a. Set EU SIGNAL INPUT switch to 8
57
b. Set EU SCAN SELECT switch to CHAN X
c. Set EU TEST SET SCAN switch to 4, and
observe scope for waveform G, figure
3-3.
∆ Vy gain change ................
58
Set EU SCAN SELECT switch to CHAN Y,
and observe scope for waveform G,
59
Mode control .......................
Set C-D CAGE switch to HOLD and LEVEL
switch to OFF, and observe that LEVEL
indicator goes out and CAGE indicator
lights.
a. Set EU SCAN SELECT switch to A
60
Mode control .......................
b. Set EU PLATFORM SCAN switch to 17
c. Set EU CAGE switch to OFF, and observe
that LEVEL indicator lights and scope
indicates waveform H, figure 3-3.
a. Set C-D MODE switch to OFF; LEVEL
61
Shutdown ............................
None.
PLATFORM, MONITOR, OVERTEMP,
and MAG HDG SERVO indicators
go out.
b. Set EU TEST SET SCAN, SCAN SELECT,
PLATFORM SCAN and SIGNAL INPUT
switches to OFF.
c. Set C-D 28 VDC and 115 VAC switches to
OFF; SELF TEST, 28 VDC, and 115
VAC indicators go out.
d. If the LATITUDE CORRECTION thumb-
wheel switch settings for the specific
latitude of the test site have been
recorded, set the LEVEL AXIS and
HEADING AXIS thumbwheel switches
to the recorded settings.
3-15
Previous Page
