6600-NG User’s Manual
125-9110A
Page 12
Caution:
Do not disconnect the Ps1 hose from the Ps1 port unless the aircraft Ps1 system is at “Ground”
level and the tester has been turned Off.
[11]
Ps2 port :
The Ps2 port of the tester is provided with a #4-AN fitting. This port must be connected through a hose to
the Ps2 port of the aircraft. The hose must be connected after performing the Self Test on the 6600-NG. The
hose, once connected, must not be disconnected while the aircraft Ps2 system is not at “Ground” level.
Caution:
If the Ps2 port is not being used, it must be capped and Ps2 units must be in “Dfin” with the Ps2
Target value set to 0.0000 inHg (Dfin) .
Caution:
Do not connect the Ps2 hose to the Ps2 port before performing the Self Test.
Caution:
Do not disconnect the Ps2 hose from the Ps2 port unless the aircraft Ps2 system is at “Ground”
level and the tester has been turned Off.
[12]
Pt port :
The Pt port of the tester is provided with a #4-AN fitting. This port must be connected through a hose to the
Pt port of the aircraft. The hose must be connected after performing the Self Test on the 6600-NG. The hose,
once connected, must not be disconnected while the aircraft Pt system is not at “Ground” level.
Caution:
Do not connect the Pt hose to the Pt port before performing the Self Test.
Caution:
Do not disconnect the Pt hose from the Pt port unless the aircraft Pt system is at “Ground” level
and the the tester has been turned Off.
[13]
Indicator LED’s :
‘Ready’ LED:
This green LED provides several indications as described below.
a.
When the unit is ready for use, the LED is steadily On.
b.
When the Remote is not connected, the LED blinks two times every 2-seconds
c.
When the temperature is too low for operation (on units without heaters), the LED blinks once every
2-seconds.
d.
After the unit is ready for use, when the Power key on the Remote is pressed, the LED blinks rapidly
while the Power key is held down. If the Power key is held down for more than 3 seconds, either a
turn-On or Turn-Off condition is ‘detected’ and the LED blinks slowly for 5 more seconds, during
which the user must release the Power key.
‘Heaters’ LED:
On units equipped with internal heaters, this yellow LED will turn On while the heaters are
On. The LED may stay On even after the Ready LED comes On.
