Digitrax SE74 Manual - Page 3
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and 4= C-siding as shown in figures 2 and 3, on the cable S1 for the e.g. "left
siding" example.
3.
Plug in the first SE1 test cable into the 10pin header marked "S1" with the
cable brown/pin1 to the left, looking at the unit. Plug the test mast in figure
4 into a test cable empty 10-pin socket with the led side towards the SE74
4.
Default first SW address for Head A1 on cable S1 is the SE74 Base address
253+4 = SW257.
5.
Head A1 is controlled by SW257/258 using T/C directions to select 4 aspects
to display. Power ON the SE74 and issue a SW257 = C switch command.
The upper 3 led head on the test mast is A1 and should now light GREEN.
SW257 = T will set this head to RED. For yellow, make SW258 = T, and
Flashing Yellow make SW258=C. Head A2 is the DWARF/D lower test mast
head at SW259/260.
Re-plug the Test mast with its leds pointing away from the SE74. Now
6.
SW261/262 control the lower head B-main and SW263/264 control the
upper head C-siding.
For a new BASE address, Head1 will be at the new Base SW address+4.
7.
8.
SW1021/1022 allow Broadcast head setting in any head control method.
9.
SE74 turnouts can be Broadcast setup by: turnout1=SW2041, through turn-
out4=SW2044.
10. SW1024=C turns ON Aspect Exercise cycles, SW1024=T turns OFF. A double
click of the ID button will toggle Exercise ON/OFF for just that SE74.
11. SW1023=C sets Night dim level, SW1023=T sets DAY brightness.
2.0 Advanced DT602 based SE74 configuration:
these advanced features, a DT602 with SubVersion 0.9 or higher will be needed
- see www.digitrax.com for the latest software IPL.
2.1 Setup SE74 DCC Aspect
control mode:
sion 0.9 or later allows the DT602 to change
from 'Switch' to 'Signal' DCC Aspect control
for SE74's.
1.
To change an SE74 to use the nine DCC
Aspect type controls for all 16 heads, set
OPSW5= C. ( see section 4.0)
2.
On an updated DT602 press the Switch
key, then the new "Signal" mode or C
soft key. The Signal mode screen like
that adjacent will be displayed.
3.
The current Head number will be dis-
played, along with; RED, YEL, GRN and
LUNAR head aspect choice soft keys to
set as the primary head aspect.
4.
The head number will be GRAY and change to BLACK when a new Aspect
key is sent to the head#.
5.
The 'Modify' soft key A will cycle the selected head between the current; as-
© 2022 Digitrax, Inc.
A DT602 with IPL ver-
— 3 —
RED
YEL
0001
Head#:
0
1
2 3 4 5 6 7 8 9
Right Throttle Active
sp 0 %
0003
F R
Left :
0002
<Rev sp0 %
Modify
Lunar
www.digitrax.com
To perform
GRN
=
GRN flash
Switch