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Decoder for Atlas N Scale H15/16-44 Locomotives
11
Atlas Model Railroad Co., Inc.
CV Description Range Default
Value
**
51
Notes for CV51:
Bits 4 to 7 of CV51 are effective if and only if CV51.0=1.
Dimming is inactive if any of bits 4 to 7 are set to “1.”
If more than one of Bits 4 to 7 of CV51 is set to “1,” only the highest
numbered of these bits is effective.
52
Dimming for Output A (front headlight)
The value in CV52 is used to dim the front headlight.
Using the value “0” for this CV results in a completely
dark front headlight, when it is dimmed.
Using the value “255” keeps the front headlight at its
maximum possible brightness, even when dimmed.
0-255 64
54
Function Mapping for Outputs C and D (front and
rear marker lights)
0-255 2
Bit 0
0 = No effect
1 = Marker lights controlled by F1
0,1 0
(1)
Bit 1
0 = No effect
1 = Marker lights controlled by F2
0,1 1
(2)
Bit 2
0 = No effect
1 = Marker lights controlled by F3
0,1 0
(4)
Bit 3
0 = No effect
1 = Marker lights controlled by F4
0,1 0
(8)
Bit 4
0 = No effect
1 = Marker lights controlled by F5
0,1 0
(16)
Bit 5
0 = No effect
1 = Marker lights controlled by F6
0,1 0
(32)
Bit 6
0 = No effect
1 = Marker lights controlled by F7
0,1 0
(64)
Bit 7
0 = No effect
1 = Marker lights controlled by F8
0,1 0
(128)
57 Lighting Effects for Output B (rear headlight)
0-246 6
Bit 0 Not used 0
Bit 1
Rear Headlight Dimming Control:
If CV57.2=1, the value in CV58 is used for
front headlight dimming with the dimming
controlled as follows:
CV57.1=0: Rear headlight always dimmed
CV57.1=1: If CV51.0=0, function F1 dims
rear headlight; if CV51.0=1, function F4 dims
rear headlight.
0,1 1
(2)
Bit 2
Dimming of Rear Headlight:
0 = Rear headlight cannot be dimmed
1 = Rear headlight can be dimmed
0,1 1
(4)