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Large-scale Decoder & Sound Decoder MX695/6/7/9
EXAMPLE of a function mapping modification: The F2 key (ZIMO #3 key) should switch in ad-
dition to output FO2 also output FO4. Moreover, F3 and F4 should NOT switch FO3 and FO4
but rather FO7 and FO8 (this could be couplers, for example). New values are to be entered
into the relevant configuration variables as follows:
CV # 36=40
CV # 37 = 32
CV # 38 = 64
F2
3
# 36
7
6
5
4
3
2
1
0
F3
4
# 37
7
6
5
4
3
2
1
0
F4
5
# 38
7
6
5
4
3
2
1
0
5.15
The modified NMRA Function mapping
Since the original NMRA function mapping does not allow for some desirable configurations,
an extension is offered by ZIMO decoders, which is described on the following pages. Most of
these options are related to the special ZIMO
CV #61
Note: Some of the CV #61 variations (1, 2,
3…) have been replaced over the years by other
more practical applications.
Programming
CV #61 = 97
offers an
Alternative “function mapping” without left shifts:
CV #61 = 97 abolishes the left shift of higher CV’s (#37 and up, according to the original
NMRA function mapping), which allows higher function keys to be mapped with lower function
outputs (i.e. Function output 1 (FO1) cannot be mapped with function key F4 using the NMRA
function mapping, but is possible with the ZIMO extended mapping).
FO6 FO5 FO4 FO3 FO2 FO1 Rear Front
Light Light
F0
1 (L) for
# 33
7
6
5
7
6
5
7
6
5
7
6
5
4
3
2
7
6
5
4
3
2
7
6
7
6
5
4
3
2
1 0
F0
1 (L) rev
# 34
7
6
5
4
3
2
1
0
F1
2
# 35
7
6
5
4
3
2
1
0
F2
3
# 36
7
6
5
4 3
2
1
0
F3
4
# 37
7
6
5 4
3
7
6
5
2
1
0
F4
5
# 38
7
6 5
4
3
2
1
0
F5
6
# 39
7 6
5
4
3
2
1
0
F6
7
# 40
7
6
5
4
3
2
1
0
F7
8
# 41
7
6
5
4
3
2
1
0
F8
9
# 42
7
6
5
4
3
2
1
0
NOTE:
The earlier options CV #61 = 1, 2, 11…15 as well as CV #61 = 98 were dis-
continued with SW-Version 34 and replaced with the
“Swiss Mapping“ (see next
chapter).
Tip: Directions dependent taillights with special effect CV’s:
With the NMRA function mapping it is only possible to have function F0 directional and was in-
tended for the headlights, so they automatically switch between “front” and “rear” when chang-
ing direction. All other functions are controlled independent of direction.
The special effect CV’s #125 … 132, #259 and #160 (see chapter “Special function output ef-
fects”), each assigned to a function output (up to FO8), make it possible to have more direction
dependent functions. To utilize the directional capabilities of these CV’s use only the direction-
al Bits (0 or 1) without the actual effect Bits.
Example 1: A couple of
red taillights
are connected to function outputs FO1 and FO2 (front
and rear of engine). Both are to be actuated with F1 but should also change with direction.
This requires the following CV settings:
CV #35 = 12 (Bit 2 for FO1 and Bit 3 for FO2), as well as
CV #127 = 1 (for FO1) and CV #128 = 2 (for FO2).
Therefore FO1 is only activated in forward direction and FO2 only in reverse, and only if the
function is turned ON with the function key F1.
Example 2:
Contrary to example 1 where the red taillights were switched independent from the
white headlights, in this example the headlights and taillights are switched ON/OFF together at
the proper end of the locomotive with F0 or F1 (depending on which end the loco is coupled to
the train).
This can be done as follows:
Connect: White front headlights connected to
function output “front headlights”
Red front taillights to function output FO2
White rear headlights to function output FO1
Red rear taillights to function output “rear headlights” (!).
CV #33 = 1 and CV #34 = 8 front white headlights on F0forw and front red taillights on F0rev!
CV #35 = 6 (both white headlights as well as red taillights in the rear on F1!)
CV #126 = 1 / CV #127 = 2 (Direction dependence for rear white and red lights by means of
“Special Effects” CV).
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