GPS7 GPS Synchronization and Timecode Module
13.
Press the
ENTER
button to start the calibration. The instrument will display
the stored calibration value.
14.
Press the
ENTER
button.
15.
Press the
CANCEL
button to exit the calibration menu when the calibration
is complete.
Gain calibration.
Perform the following procedure to characterize the oscillator
frequency as a function of voltage. This adjustment needs to be performed in
factory mode and is only needed once to characterize the oscillator.
CAUTION.
To avoid signal errors, perform the Gain Calibration only when the
instrument is out of service. This calibration temporarily disrupts the frequency of
all signals in the box.
1.
Connect a GPS signal to the antenna input on the rear of the module.
2.
Cycle the mainframe power by unplugging the power cord from the rear of
the instrument and then holding the
FRONT PANEL ENABLE
button
while plugging the power back into the instrument. Continue to hold the
button during start up until
TG700 Start up with factory mode
shows on
the LCD display.
3.
Allow the instrument to warm up for a minimum of 20 minutes.
4.
Press the
MODULE
button until
GPS7 : STATUS
appears.
5.
Check that the signal status shows
Locked
.
6.
Check that signal lock indicator displays
Fine
:
a.
Press the up (
▲
) arrow button to select
DIAGNOSTICS
.
b.
Press the
ENTER
button.
c.
Press the right (
►
) arrow button to select
TUNE
.
d.
Check that
Fine
is showing on the right side of the LCD display.
7.
Press the
MODULE
button until
TG700
appears.
8.
Press the up (
▲
) arrow button to select
UTILITY
.
9.
Press the
ENTER
button.
10.
Press the up (
▲
) arrow button to select
CAL OVEN : SELECT
.
11.
Press the right (
►
) arrow button to access the
Gain Calibration
submenu.
12.
Press the
ENTER
button to calculate the gain value.
13.
Wait approximately 20 seconds for the process to end. The result will be
displayed.
3–100
TG700 TV Signal Generator Platform User Manual
Содержание TG700
Страница 1: ...xx TG700 TV Signal Generator Platform ZZZ User Manual P071197003 071 1970 03...
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Страница 27: ...Getting Started...
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Страница 34: ...Getting Started Figure 1 1 Installing the rackmount hardware 1 6 TG700 TV Signal Generator Platform User Manual...
Страница 67: ...Operating Basics...
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Страница 111: ...Modules...
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Страница 337: ...Index...
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