USL JSD-60 Manual - Manual (Page 34)

Page 34
Surround Delay Using Meters
With Length and Width of the auditorium in meters, the surround delay, in ms, should be (L/3)-(W/6)+20.
Surround Delay Using Feet
With Length and Width of the auditorium in feet, the surround delay, in ms, should be set to L-(W/2)+20.
8.10.5 Global Tab
Global settings, those
that do not change
with format, are set or
displayed here.
Unit Time
The time settings in
the
unit can be
observed in Unit Time
group box in the global
tab. The current unit’s
date, UTC time, and
time zone offset are
displayed.
The
abbreviations for standard and daylight saving time, and whether daylight saving time is observed are also
displayed at this location. All time parameters are saved in the JSD-60 and are used in logging events. The unit’s
time stamps are viewed in the Logging tab or Web interface.
Set Time / Date Button
To set the unit’s time and date, the Set Time/Date button is used to open
the Set JSD-60 Date and Time window. In the window, the current UTC
time is displayed, as obtained from the host computer. The JSD-60 itself
only uses time of day in logging. Further, all log entries are made in UTC.
When viewed through the GUI, log data includes the time in UTC, the time
at the JSD-60 (JSD Time), and the time at the GUI (GUI Time). The use of
these three time zones allows for simple comparison of device logs, even
when the devices are in multiple time zones. The Date and Time dialog
allows setting of date and time data for the JSD-60. Since the JSD-60 uses
UTC time, the displayed time is UTC. If the system is using an NTP server,
you do not need to set the date and time. If no NTP server is available, set
the date and time to the current UTC time. The bottom portion of the
dialog box deals with the date and time at the JSD-60 itself. Set the Time
Zone field to the offset from UTC for standard time in the time zone where the JSD-60 is located. If daylight saving
time (summer time) is observed at the JSD-60 location, check the corresponding checkbox. Note that this checkbox
indicates whether daylight saving time is ever observed at this location, not whether it is currently in effect. For
example, you would check the checkbox in California, but uncheck it in Arizona. Fill the next two fields with the
abbreviations for standard time and daylight saving time in the time zone where the JSD-60 is located. The daylight
saving time abbreviation will not be used if the daylight saving time observed checkbox is unchecked, but you may
want to fill it in anyway. Clicking OK transmits the data to the JSD-60.