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HD9690 Series HDTV Graticule Generator Manual
Page 5-12
Revision 1.5
TECHNICAL DESCRIPTION

During this time it is mandatory that all power cycles of the unit be avoided. The
figure below displays a successful FTP session.
6. At the “
FTP>
” prompt type
quote site loadfile
to overwrite the user presets in the Graticule
generator with the preset values contained in the text file.
7. At the “
FTP>
” prompt type
quit
to exit the FTP procedure. The Graticule generator responds with
221 Goodbye
5.5. WRITE-PROTECTING THE USER PRESETS
Each of the ten user preset memory locations can be locked against accidental overwriting. If the user
attempts to store a preset into a locked location the front panel will display the message
Preset n locked
, where n is the number of the user preset .

Presets that are protected may still be overwritten by uploading a user preset file
as described in section 5.4.3.
To lock one of the presets using the integrated front panel or the rack mount remote panel press the
ESC
and PRESET SAVE buttons at the same time. The control panel will display
Protect preset #
. Press
the USER PRESET button corresponding to the location you wish to lock. The control panel display will
show
Confirm lock n .
To confirm the locking of this preset press the PRESET SAVE button. The
control panel will show the message
Preset n locked
. To unlock one of the presets press the ESC
and PRESET SAVE buttons at the same time. The control panel will display
Protect preset #
. Press
the USER PRESET button corresponding to the location you wish to unlock. The control panel display will
show
Confirm unlock n
.
To confirm the unlocking of this preset press PRESET SAVE button. The
control panel will show the message
Preset n unlockd
.