Laversab 6600 User Manual page 13

[7] Pitot ports (Pt) :
The Pt output is provided on two ports that are internally connected. Both ports have #4 AN
fittings. At least one of these ports must be connected through a hose to the Pitot port on the
aircraft. The hose must be connected after performing the Self Test on the 6600. The hose,
once connected, must not be disconnected while the aircraft Pitot system is not at "Ground"
level. An unused port must remain closed.
Caution: Do not connect this output to the aircraft before performing the Self Test.
Caution: Do not disconnect this output from the aircraft unless the aircraft's Pitot Static
system is at "Ground" level and the tester is OFF.
[8] RS232 interface connector:
This connector is accessed by opening the "Interface Connectors" access panel.
connector is a standard DB-9 female connector used for a serial RS232 interface. It can be
connected directly to the "COM" port of a standard PC to allow communication. This port is
normally used for downloading "profiles" from a computer. Other remote communication
with the 6600 is also possible through this interface. Figure 2.2 shows the RS232 connector
with the panel removed. For more details on downloading profiles, please refer to Section 4.
For more details on communication with the 6600, please refer to Section 8.
[9] IEEE-488 interface connector:
This feature is currently not available on the 6600.
[10] Encoder interface connector:
This feature is currently not available on the 6600.
[11] Primary Static Vent (Ps1 Vent) :
In the event that the 6600 is in-operable due to a malfunction or due to loss of power, it is
possible to vent the Static system manually. This is done using the metering valve labeled
"Ps1 Vent". This valve is a positive shut-off valve. Opening this valve slowly will vent the
Static output of the 6600 to ambient pressure. While venting, care must be taken to ensure
that the maximum climb rate of the aircraft connected to the tester is not exceeded.
The Secondary Static (Ps2) and Pitot (Pt) ports are referenced to the Primary Static (Ps1) port.
The "Ps2 Vent" and "Pt Vent" valves are used to cross-bleed to the Primary Static (Ps1) ports.
Therefore the manual vent valves must be opened in sequence. First open the "Ps2 Vent"
valve, then the "Pt Vent" valve and last, the "Ps1 Vent" valve.
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