User's Manual

Table Of Contents
SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion® HSD-440 Mark 2 Terminal
23-15-30 6-28
3 JUN 10
(3) Configuring Self-test in Air
The HSD-440 Mark 2 Terminal’s MCDU or MPU can request a power-on self-test.
The ORT parameter Self-test in Air determines if the self-test is permitted or not when
the aircraft is in the air. This parameter is in the secure partition of the ORT.
To configure self-test in air:
1. In the list of ORT parameters, type the number next to the SELF-TEST IN AIR
parameter, and then press ENTER.
2. To enable the self-test in air type 1, or to disable the self-test in air, type 0, and
then press ENTER.
The default is DISABLED.
(4) Configuring Maintenance Command Execution in Air
You can reset the HSD-440 Mark 2 Terminal using the MPU if you are logged into
the MPU at the MENU or USER level. The Maintenance Command Execution in Air
determines if the reset is permitted or not when the aircraft is in the air. The MAINT
CMD EXECUTION IN AIR parameter is in the secure partition of the ORT.
To configure maintenance command execution in air:
1. In the list of ORT parameters, type the number next to the MAINT CMD
EXECUTION IN AIR parameter, and then press ENTER.
2. To enable maintenance commands in the air, type 1, or to disable this feature,
type 0, and then press ENTER.
The default is DISABLED.
(5) Configuring MCDU PAST
The HSD-440 Mark 2 Terminal can perform a power-on self-test according to a
command from an MCDU. You can enable and disable this function with the MCDU
PAST parameter. This parameter is in the secure partition of the ORT.
To configure MCDU PAST:
1. In the list of ORT parameters, type the number next to the MCDU PAST
parameter, and then press ENTER.
2. To enable the MCDU PAST, type 1, or to disable the MCDU PAST, type 0, and
then press ENTER.
The default is ENABLED.
(6) Configuring Field Loadable Software
The HSD-440 terminal can accept file transfers from user equipment connected to
Ethernet port one. You can enable and disable this function with the field loadable
software parameter. This parameter is in the secure partition of the ORT.