Atlas User Manual: Diesels
with QSI Sound
51/52
13 January 2015
Decoders (Quantum, Quantum Titan, or
Quantum Titan with ET)
Appendix 3.
Some QSI-Specific CVs Used in QSI Sound-Decoders
(Quantum, Quantum Titan, and Quantum Titan with ET)
CV
76
Name
Description
Type
Range
of
Values
Atlas
Default
Value
CV49
Primary Index
Register (PI)
Specifies the Primary Index for a CV that is
implemented
as a 1-dimentional or (with CV50) a 2-dimentional array
QSI
0-255
0
CV50
Secondary Index
Register (SI)
Specifies the Secondary Index for a CV that is
Implemented as a 2-dimentional array
QSI
0-255
0
CV51.PI
Overall Sound
Control
Controls various parameters (e.g., overall volume)
of QSI sound-decoder (See Section 5.4 of Ref. [3].)
QSI
0-255
0
CV52.PI
Individual Sound
Volume Control
Controls volumes of individual sounds;
(See Section 5.5 of Ref [3].)
QSI
0 - 255
0
CV53.PI.SI
Function Output
Mapping
Use to assign QSI features to the 30 decoder
outputs
QSI
CV55.PI.SI
QSI Feature
Configuration
Use to configure the behavior of Quantum
features
QSI
CV56.PI.SI
QSI Configuration
Use to access Quantum Configuration
settings
QSI
CV56.128.SI
Reset
Resets DCC parameters only
(analog parameters unchanged)
QSI
CV56.255.SI
Version Build
Information
Use this CV in Ops Mode to hear the locomotive
Speak out information about its firmware
QSI
CV62
Auto CV
Verbal Feedback
Use to control Programming Verbal
Acknowledgement and CV Numeric Readout
QSI
1
(enabled)
CV64
Verbal CV
Inquiry
Use to hear the locomotive speak the value of any CV
as a decimal number (Ops Mode programming only)
QSI
1 - 255
CV115.PI.SI
Feature to
Port Mapping
Use to map features, such as lights, to port numbers
that correspond to pins on the sound-decoder board
QSI
CV116.PI
Individual Sound
Balance
Use to balance volumes of individual sounds
(systems with 2 stereo speakers)
QSI
0 - 255
CV117.PI.SI
Individual Sound
Selection
Use to select sounds from onboard
QSI sound libraries
QSI
CV118.PI
Individual Sound
Pitch Shift
Use to shift pitch of an individual sound from
the nominal pitch
QSI
0 - 255
CV120.PI.SI
Ready to
Move Scenario
See Section 7.5 in Reference [3].
QSI
76
The notation CVn.PI means that CV #n is single-indexed with primary index PI. The notation CVm.PI.SI means that CV #m is double-indexed
with primary index PI and secondary index SI. See Section 4.2.2 for a discussion of Indexed CVs.
