SoundTraxx DSD-150/DSX Technical Reference - Manual (Page 38)

Address Mode Direct Mode
Register Mode Ops Mode Short Form
Paged Mode Ops Mode Long Form
38 Digital Sound Decoder Technical Reference
CV 52
FOREGROUND
SOUND
CONFIGURATION BYTE
Description
This CV is used to configure the DSD’s foreground sound effects:
bit 7 bit 0
RNG3 RNG2 RNG1 RNG0 APS CAM DDE AECS
Bit 0: AECS, Articulated Exhaust Cadence Select
0 = Exhaust Timing emulates 2 cylinder locos and shays.
1 = Exhaust Timing emulates articulated locos.
Bit 1: DDE, Dynamic Digital Exhaust Enable
0 = DDE sound processor is disabled.
1 = DDE sound processor is enabled.
Bit 2: CAM Enable
0 = Exhaust Chuff is synchronized to throttle.
1 = Exhaust Chuff is synchronized with cam.
Bit 3: APS, Dual Airpump Select
0 = Single Airpump sound effect.
1 = Dual Airpump sound effect.
Note: CV 51, Bit 1 must be set for this sound to be heard.
Bit 4-7: RNG3:RNG1, Bell Ring Rate
Controls the ringing rate of the bell sound.
0000 = Fastest Ring Rate
1111 = Slowest Ring Rate
Default Value: 70 (0x46), Auto-Exhaust Cadence = 2 Cylinder Loco
Dynamic Digital Exhaust Enabled
Single Airpump
Exhaust Cam Enabled
Bell Ring Rate = 100 (mid speed).
Related CVs: See also Auto Exhaust Sync Rate (CV 54).
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