
T400 Controller Facilities Manual
667/EB/20200/000 Page 19-8 Issue 9
Figure 19.3 - LMU Hold without losing phase delay
R/A
A
AMBER
AMBER
AMBER
AMBER
A
B
C
D
R/A
R/A
R/A
0479
Time (secs)
E
F
G
H
STAGE 2......STAGE 1
Hold timer
started with
7 sec.
Intergreen
and gaining
phase delay
timers held.
Hold timer
expires and
hold
removed.
E & F would start
at this point but
are held off
Notes:-
(i) All intergreens are set to 6 seconds.
(ii) Hold time (SIE) set to 7 seconds.
(iii) 1st RLM fail active.
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