Operating Instructions
TCAS791
2-12
Pilot’s Guide
a. Press the range button.
The TCAS791 will switch out of standby and into the above dis-
play mode and 10 nmi range. (See figure 2-9.) An alternate dis-
play may switch into some other altitude display mode and range.
The TCAS OFF message (displayed on some alternate displays)
will go away and may be replaced by the TA ONLY message.
Switch Into Standby
Use this step if you need to go back into standby while you’re still on
the ground. (The TCAS791 will not go into standby while airborne,
but will automatically go into standby 24 seconds after landing.)
a. Press and hold the range button.
The range will change, the TCAS791 will go into standby, and
the display will switch back to its standby screen (figure 2-5
for the CD605). The TA ONLY message (displayed on some
alternate displays) will change to TCAS OFF.
Figure 2-8. Standby Screen with Maintenance Code
Figure 2-9. Above Display Mode, 10 nmi Range