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Section I
INTRODUCTION
JUSTIN 808 PRODUCT DESCRIPTION
Inovonics’ JUSTIN 808 is a time-alignment processor for exclu-
sive use with the HD Radio® digital broadcasting system. The
JUSTIN 808 brings analog FM and HD1 channels into perfect
time and phase synchronism, and normalizes levels to match
loudness between the analog and digital programs. This elimi-
nates the pervasive HD Radio problem of echo, stuttering, lost
or repeated words and level shift as hybrid-mode receivers
cross-fade between analog and digital reception.
The JUSTIN 808 includes a full-function Web interface with
SNMP support. This enables remote control with any PC, tablet,
or smart phone Web browser. Signal loss and other alarms ac-
tuate rear-panel tallies, and the JUSTIN 808 can dispatch these
as SMS/text or email messages. The unit logs all errors and can
generate a graphical display of timing correction over an ex-
tended time period.
Features
Leading features of the Inovonics JUSTIN 808 include:
Direct off-air reception, no dependence on other equipment
AES3 digital audio pass-through with failover relay bypass
A choice of signal-path connection options to accommodate
HD or FM airchain installation
Intuitive, menu-driven front-panel setup, plus a built-in Web
server for full remote setup and operation over any IP net-
work, LAN or Internet
Supports SNMP remote monitoring and control
Local, remote and self-logging alarms for out-of-limits events
Email or SMS/text messaging options for alarm events.
The JUSTIN 808 boots or resets
in less than five seconds
and
begins autocorrelation and delay correction immediately.
