User's Guide

DRAFT
Page 2-11
17 Mar 2016
23-15-87
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
ARINC 781-500 SDU and SCM
© Honeywell International Inc. Do not copy without express permission of Honeywell.
(3) To access phone numbers in a directory, press the key next to a directory name.
The SAT DIRECTORY page appears.
NOTE: If an entry has the < symbol in the SAT-L column, that entry can be dialed
on Classic Aero channels. If an entry has the > symbol in the SAT-R
column, that entry can be dialed on SBB channels. If there is no symbol,
the entry cannot be dialed on that channel.
(4) Press the button to the left or right of the number you wish to dial.
• Pressing the left button loads the number on the Classic Aero channel.
• Pressing the right button loads the number on the SBB channel.
The TCP returns to page one of the SAT-PHONE menu and the number is
displayed under the selected channel.
(5) To set the priority, press the button next to PRIORITY.
NOTE: You can only set the priority for a Classic call. All calls made over SBB are
considered equal to public priority.
(6) Press the button next to MAKE CALL.
The channel status displays DIALING, RINGING, and then ANSWERED when
connected.
(c) Answering Calls
To answer a call:
• On the ACP, transition the MIC ON discrete from ON HOOK to OFF HOOK.
OR
1 5 10 15 20 24
1
SA T D I RE C TOR Y 
1 /2
SAT- 1 D IR2 SAT- 2
1L
3
< ---FLIGHT DISPATCH----
3
1R
001-719-555
‐
5555
2L
5
< ---MAINT WATCH-------->
5
2R
001-206-555
‐
5555
3L
7
< ---ENGINEERING--------
7
3R
001-425
‐
555-7
777
4L
9
<RETURN
9
4R
DRAFT as of
4 Mar 2016