hp_set_timebase (ul_scopes)

	status.i4.v = hp_set_timebase(dev_address.i4.v)

	This routine allows the user to set timebase commands to
	an HP54504 series scope.  The timebase commands that are
	settable are sec/div, mode, sample, and delay.  The routine
	provides a window that displays current settings and allows
	new settings.

	dev_address	address of scope (a previous call to 'gpib_select'
			will have to be made to establish communication 
			to correct VME)

	This function returns ACNET status values as follows:

	OK			success
	CBS_INVARG		invalid device address
	otherwise		other ACNET error

	This function requires the following include files:

	ul_scopes_h:hpdefs_h

	Related functions:

	hp_get_plot_limits, hp_set_channel, hp_get_waveform,
	hp_set_display, hp_set_root, hp_set_trigger,
	hp_set_utilities, hp_set_waveform

	C/C++ usage:

	int	status;
	int	dev_address = DEV_ADDRESS;

	status = hp_set_timebase(dev_address);