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dCS Verona User Manual Manual for Software Issue 1.0x
dCS Ltd September 2004
Manual filename: Verona Manual v1.0x.doc Page 13 email: more@dcsltd.co.uk
English version web-site: www.dcsltd.co.uk
Using a Verona with a GPS clock
If you have a GPS clock or atomic clock, you can slave the Verona to the clock,
improving the accuracy of the Verona to that of the clock.
1PPS 10MHz RS-232 ANTENNA
The Bang-On
GPS Clock Co.
Roof-mounted
GPS antenna
10MHz +/-1ppb
GPS clock
1
SUC1394
POWER
LINK
POWER ~
EXT. REF. INSPDIF OUTPUTSWORD CLOCK OUTPUTS
12345 123
dCS Verona
Master Clock
Word Clock Outputs
Figure 3 – Slaving the Verona to a GPS clock
do this: Connect up as shown in Figure 3.
do this: The first time you use this arrangement, open the menu and run the Factory
routine on all four units. This sets the Verona to 44.1kHz.
do this: Open the menu and set the Couple page to Bipolar.
The Verona will lock to the clock. All the outputs will be at 44.1kHz, at the
accuracy of the clock.
do this: If you need 48kHz, press the Clock Frequency button.
do this: Use the Verona‘s outputs to synchronise the audio equipment together.
Note that a GPS clock relies on receiving a satellite transmission. Any gaps in
GPS satellite coverage will result in the frequency accuracy of the outputs
reverting to that of the Verona – which is quite adequate for audio use.