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Release notes

This document describes new features, improvements, and limitations of ﬁrmware

version 1.7 for the TG8000 Multiformat Test Signal Generator.

New features

GPS7 module

The module now s upports SMPTE309 time code date data on the VITC and

LTC inputs. When the Time of Day source is set to VITC or LTC, the Time

of Day submenu has a selection to determine how SMPTE309 date data (if

present) w

ill be used. You can s et the module to ignore the data, use the data

as an input only, or to use the data as an input and an output.

When the V

ITC or LTC inputs are used as time-of-day sources, the

hh:mm:ss:ff settings will be synchronized to the VITC or LTC source (if

present). When the SMPTE309 Data mode is set to Use as Input or to Use

as Input/Output, the date is set using the VITC or LTC source. When the

SMPTE309 Data mode is set to Ignore, the date is set from the internal RTC.

The Black outputs (when VITC is enabled) and the LTC outputs now always

have the SMPTE309 date, time-zone offset, and DST enabled/disabled ﬁ elds

included. The content of these ﬁelds depends on the current SMPTE309 mode

setti

ng (Ignore, Use As Input, or Use As Input/Output).

If an SDI7 module is installed, the SDI7 embedde d timecode (when enabled)

also

includes the SMPTE309 ﬁelds. However, the timecode outputs for any

installed BG7, HD3G7 and HDVG7 modules do not include the SMPTE309

timecodedata.

Many installations use multiple instruments conﬁgured in a master/slave

relationship (for example, when sending signals across time zones). In these

instances, if the master instrument is locked to GPS, is running in Internal

mode, or is genlocked to a source without ST309 data, the SMPTE309 Data

mode on the master instrument should be set to “Ignore.” If the master

nstrument is locked to a source providing ST309 data, the SMPTE309 Data

mode on the master instrument should be set to “Input” and on the slave

instrument the mode should be set to “Input.”

TG8000 Release Notes for Firmware Version 1.7 1

Tektronix TG8000 Manual

Other manuals for Tektronix TG8000