SoundTraxx SoundCar Technical Reference - Manual (Page 12)

Tsunami SoundCar Technical Reference Page 10
Primary CVs
CV 15
CV Unlock Register
Description
CV 15 contains a value from 0 to 7 that is used to unlock access to the
decoder’s CVs in a multi-decoder installation.
CV 15 may always be written or verified regardless of the decoder’s lock
status. However, an acknowledgment will only be generated when the
decoder is unlocked.
D0-D2: CV Unlock Code
0: Not used. Must be set to 0.
Additional Information
Locked State
If CV 15 does not match CV 16 (CV Lock ID Code), all read and write
operations to the decoder will be ignored and no acknowledgment will be
generated.
Unlocked State
Access to the decoder’s CVs will only be possible when CV 15 = CV 16.
Note: Bit 0 (CV Lock Enable) in CV 30 (Error Information/Alternate Mode
Selection) must be set to enable the lock feature in CVs 15 and 16.
Default Value: 0
Related CVs: CV 16 (CV Lock ID Code)
CV 30 (Error Information/Alternate Mode Selection)
Bit 7 Bit 0
0 0 0 0 0 D2 D1 D0