Honeywell SPZ-8000 Pilot's Manual page 281

When the EGPWS is selected for display, it can be tested. Push the
EGPWS TEST button to display the test format shown in Figure D--3.
A28--1146--055
REV 2
SPZ--8000 Digital Integrated Flight Control System
008
EGPWS Test Display
Figure D--3
Enhanced Ground Proximity Warning System (Optional)
AD--64773@
D--5/(D--6 blank)