Page 32
Large-scale Decoder & Sound Decoder MX695/6/7/9
5.17
The “Swiss Mapping”
(from SW version 32)
The “Swiss mapping” is a function mapping that allows the
loco lighting
to be operated as is
required by Swiss locomotives, which is of course also useful for locos of other countries.
The purpose of the "Swiss mapping" is to switch the various states of the locomotive lighting
with different function keys, i.e. for situations like driving a single locomotive, cars coupled on
driver’s cab 1, or at the driver's cab 2, push-pull, shunting, etc.
Using this relatively complex method is of course only worthwhile if the vehicle is equipped
with many independently connec
ted lights (or LED’s) and the decoder offers as many function
outputs, at least 6. ZIMO decoders offer indeed between 6 and 10 function outputs (with the
exception of a few miniature decoders), large-scale decoders even more.
The desired lighting states are defined by
a total of 13 CV groups
, each group
containing 6
CV’s
(= 78
CV’s; CV #430 - #507). The principle is simple in itself, in that the first CV of each
group contains the number (1 to 28) for a function key F1...F28, and the other CVs define
which function outputs are to be switched on when pressing this key, each dependent on the
direction of travel.
CV
Designation
Range
Default
Description
#430
Swiss Mapping Group 1
“F-Key”
0 - 28,
29
(for F0)
0
The key defined here switches the function outputs
listed under
A1 (forward or reverse) or
A2 (forward or reverse)
ON or OFF.
1
– 28 for function keys F1 – F28, F29 is for F0.
#431
Swiss Mapping Group 1
“M-Key”.
or
Special high-beam
setting
(from SW version 34)
Bit 0 - 6:
0 - 28,
29
(for F0)
and
Bit 7
or 255
0
The “normal function mapping” for the “M-key” de-
fined here will be deactivated (that is the relevant
outputs such as the headlights for example) when
the “F-key” is switched on.
Bit 7 = 1: additionally, the outputs listed under A1
and A2 should only switch ON if the F and M key is
ON.
= 157: is an often used value for CV #431, because
F0 (= 29) is usually selected as the “M-key”
with Bit 7 = 1. F0 then acts as a general ON/OFF
key.
= 255 (Special
high-beam
setting!): the Fu-Outputs
defined in the following four CVs are switched to full
intensity, provided that they are controlled via the
"normal function mapping", and dimmed with CV #
60; this function is used, for example, to switch the
headlights of a Swiss locomotive to high-beam, with-
out switching the white taillight to high-beam.
Depending on CV #399 setting (see also below):
Switches to high-beam only when speed is higher
than value given in this CV (in 255 speed steps).
#432
Swiss Mapping Group 1
“A1” forward
1 - 12
14 (FO0f)
15 (FO0r)
0
Function output to be turned ON in forward direction
under the conditions set out for the “F” and “M” keys.
#433
Swiss Mapping Group 1
1 - 12
14 (FO0f)
0
Additional function output to be switched ON in for-
ward direction
under the conditions set out for the “F”
“A1” forward
15 (FO0r)
and “M” keys.
#434
Swiss Mapping Group 1
“A2” reverse
1 - 12
14 (FO0f)
15 (FO0r)
0
Function output to be turned ON in reverse direction
under the conditions set out for the “F” and “M”
keys..
#435
Swiss Mapping Group 1
“A2” reverse
1 - 12
14 (FO0f)
15 (FO0r)
0
Additional function output to be switched ON in re-
verse direction under the conditions set out for the
“F” and “M” keys.
#436 -
441
. . . Group 2.
. . .
0
All 6 CV’s of Group 2 are defined the same way is
the 6 CV’s in group 1.
#442 -
447
. . .
Group 3
.
. . .
0
All 6 CV’s of Group 2 are defined the same way is
the 6 CV’s in group 1.
#448 -
453
. . .
Group 4
.
. . .
0
. . .
#454 -
459
. . .
Group 5
.
. . .
0
. . .
#460 -
465
. . .
Group 6
.
. . .
0
. . .
#466 -
471
. . .
Group 7
.
. . .
0
. . .
#472 -
477
. . .
Group 8
.
. . .
0
. . .
#478 -
483
. . .
Group 9
.
. . .
0
. . .
#484 -
489
. . .
Group 10
. . .
0
. . .
#490 -
495
. . .
Group 11
.
. . .
0
. . .
(Groups 11, 12, 13 with SW version 34 or higher)
#496 -
501
. . .
Group 12
.
. . .
0
. . .
#502 -
507
. . .
Group 13
.
. . .
0
. . .
#399
Speed dependent
headlights
(Rule 17)
0 - 255
0
In conjunction with the “Swiss Mapping’s” special
setting “high-beam”, see CV #431 = 255; applies to
each of the 13 CV groups (CV #437, 443..):
High-beam only turns on when the speed exceeds
the value in this CV; based on the decoder internal
255 speed steps.
EXAMPLE:
= 0: High-beam at any speed (incl. stand-still), con-
trolled only by the F-key (i.e. as per CV #430).
=1: High-beam only while driving (OFF at stand-still),
provided the defined F-key is ON.
= 128: Switches to high-beam when reaching medi-
um speed.
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