H0 Sound Decoder MX640 Page 11
CV
Designation
Range
Default
Description
#125
Special effects
Uncoupler, “soft
start” of function
outputs at
activation and
automated function
“ON/OFF” according
to various criteria’s
or
US lighting
effects.
Operates with F0 in
forward direction by
default, unless
assigned different
through function
mapping.
Effects can be fur-
ther adjusted and
modified with
CVs #62 - 64
and
CV #115
(for uncoupler)
0
The CV definitions described here are valid for
CV #125 to #132. Some of the functions below
may not necessarily be suitable for CV #125
and #126 as these outputs are usually con-
nected to headlights.
Bits 0,1
value = 0: independent of direction
=1:active in forward direction
=2:active in reverse direction
ATTENTION: change CV’s #33, 34.... if direc-
tion is wrong!
Bits 2 - 7
value = 4 Mars light
= 8 Random Flicker
= 12 Flashing headlight
= 16 Single pulse strobe
= 20 Double pulse strobe
= 24 Rotary beacon simulation.
= 28 Gyralite
= 32 Ditch light type 1, right
= 36 Ditch light type 1, left
= 40 Ditch light type 2, right
= 44 Ditch light type 2, left
= 48 Uncoupler as in CV#115
= 52 Soft start up of function output
= 56 Automatic stop lights for street cars,
see CV #63
= 60 Function output turns off automati-
cally at speed >0 (i.e. turns off cab
light at start).
= 64 Function output turns off automati-
cally after 5 min. (i.e. to protect a
smoke generator from overheating).
= 68 Turns off automatically after 10
minutes.
= 72 Speed or load dependent
smoke
for
steam engines
as per CV’s
#137 – 139 (Preheating, heavy
smoke at full speed or load).
= 76 As above, but turns off automatically
after 10 min., also actuation only
with function key (but not when func
tion is already on at power-on).
= 80 Operation-dependent
smoke
for
diesel engines
as per CV’s #137-
139 (Preheating, heavy smoke at
motor start-up sound and accelera
tion). Proper fan control as defined
1
Note to ditch lights: Ditch lights are only active when headlights and function F2 (#3 on Zimo cab) are on, which is prototypical for
North American railroads. The ditch lights will only be working if the applicable bits in CV #33 and 34 are on (the definition in CV
#125 - 128 in itself is not enough but a necessary addition).
Example: If ditch lights are defined for F1 and F2, the bits #2 and 3 in CV #33 and 34 have to be set accordingly (i.e. CV # 33 = 13
(00001101), CV #34 = 14 (00001110).
CV
Designation
Range
Default
Description
in CV #133.
= 84 As above, but turns off automatically
after 10 min., also actuation only
with function key (but not when func
tion is already on at power-on).
EXAMPLES
You want : Program CV #125 to:
Mars light forward only - 5
Gyralite independent of direction - 28
Ditch type 1 left, only forward - 37
Uncoupler- 48
Soft start of output- (i.e. headlights) 52
Automatic stop light - 56
Automatic cab light turn-off - 60
Smoke turns off after 5 min automatically - 64
Smoke turns off after 10 min automatically - 68
Speed/load dependent smoke - 72
Speed/load dependent smoke and auto-off - 76
Speed/load dependent diesel smoke - 80
Speed/load dependent diesel smoke and auto-off - 84
#126
Special effects
For
rear headlight
(default F0 reverse)
0
Bits 0,1
value = 0: independent of direction
=1: active in forward direction
=2: active in reverse direction
ATTENTION: change CV’s #33, 34.... if direc-
tion is wrong! See CV #125 for details.
#127
Special effects
for FO1 (default F1)
0
See CV #125 for details.
The “ATTENTION” note in CV #125 and #126
are not relevant for this and the following CV’s
(#127…); they are usually not assigned to di-
rection dependent functions!
#128
Special effects
for FO2 (default F2)
0
See CV #125 for details.
#129 -
#132
Special effects
for
FO3, FO4, FO5,
FO6
(default
F3, F4, F5, F6)
0
See CV #125 for details.
#62
Light effects
modifications
0 - 9
0
Change of minimum dimming value
(FX_MIN_DIM)
#63
Light effects
modifications
or
Stop light OFF de-
lay
0 – 99
0 – 255
51
@ 0.5 sec
Tens digit: sets cycle time (0 - 9, default 5), or
start up time during soft start (0 - 0,9s)
Ones digit: extends “off” time
Ones digit with activated stop lights (value 56
in CV #125 – 132):
If stop light is activated with value 56 in CV
#125, 126 or 127: Time in tenths of a second
(range: 0 – 25 sec.) the stop lights remain on
after the street car comes to a full stop.