521 East 3
rd
Street Mt. Vernon, NY 10553
• www.keydigital.com
Rev 0
– Aug, 2020
18
•
There are no volume or tone control features
•
There are no pre-amp features
Analog L/R Balance/Unbalanced
•
6-pin terminal block
•
Drives audio signals up to 2 VRMS with a sampling rate of 192HHz
•
Automatically mutes if audio formatting is not PCM 2ch
•
Pin assignment:
o
Left + is Pin 1; Left - is Pin 3; Left Ground is Pin 2
o
Right + is Pin 4; Right - is Pin 6; Right Ground is Pin 5
PCM Digital
•
RCA coaxial
•
SPDIF IEC 60958 format
•
Compatible with sampling rates up to 192KHz
•
Supports multi-channel Dolby® surround formats up to 5.1 and DTV
™ 6.1
•
Automatically mutes if audio formatting is not PCM, Dolby®, or DTS
™
Service USB Port
•
Micro USB port
•
Used for configuration and control from PC via KDMS Pro or
third-party control terminal
•
Used for firmware updates (consult with Key Digital tech
support before updating firmware)
•
Supports USB driver for Windows 10, 7, XP, Mac, Linux
•
Will register as
“Prolific USB-to-Serial Comm Port in Device
Manager
•
Can be used as RS-232 control port. Baud rate is 57,600
unless adjusted otherwise
