hp54600_set_trigger (ul_scopes)

	status.i4.v = hp54600_set_trigger(dev_address.i4.v)

	Allows user to set trigger commands to the HP5450 series scope.  
	The trigger commands that are settable are level, source and mode. 
	The routine provides a window that displays current settings and 
	allows new settings.


	dev_address	address of scope; A previos call to gpib_select()
			will have to be made to establish communication 
			to correct VME.


	This function returns ACNET status values as follows:

	CBS_OK			success
	CBS_INVARG		invalid device address
	otherwise		GAS error

	This function requires the following include files:

	ul_scopes_h:hpdefs_h

	Related functions:

	hp54600_display_pmem, hp54600_get_plot_limits, hp54600_get_pmem,
	hp54600_get_waveform, hp54600_message, hp54600_set_acquire, 
	hp54600_set_channel, hp54600_set_display, hp54600_set_timebase,
	hp54600_set_trigger, hp54600_set_waveform, hp54600_store_pmem