Honeywell BENDIX/KING KLN 94 - Manual (Page 31)

B
KLN 94
Rev. 4, Jan/2003 10599I04.CDL Page 2-7
This feature is normally disabled if another altitude alerter (selector) is already installed in the
aircraft. If altitude alerting is enabled, the pilot can choose to turn it on or off. If it is disabled, the
pilot is not able to turn it on.
Pin 20; SPARE ANNUNCIATOR 1
Pin 21; SPARE ANNUNCIATOR 2
Pins (20-21) are spare annunciator outputs.
Pin 22; ROLL STEERING VALID --This is a Roll Steering Superflag. (same logic as other
superflags.)
Pin 23; ROLL STEERING HI-- Combined with Rool Steering LO, this provides a DC Roll Steering
Command to the Autopilot
Pin 24; LIGHTING 28V/LO
Pin 25; LIGHTING 14V
The lighting bus will use the DC power input pin as lighting low. For 14 V operation, LIGHTING
28V/LO is connected to ground and LIGHTING 14V is connected to the 14 V panel lighting bus.
For 28 V operation, LIGHTING 28V/LO is connected to the 28 V panel lighting bus and
LIGHTING 14V is not connected.
CONNECTOR P942
Pin 1; TEST
Pin 1, when grounded on power-up, will place the unit in the test mode. Once in the test mode,
the unit will remain in that mode until power to the unit is turned off. Test mode is provided to
assist in manufacturing and field service troubleshooting.
Pin 2; TAKE HOME
Pin 2, when grounded, places the KLN 94 in Take-Home mode which is used for trip planning and
flight simulation. It performs as if it is receiving adequate GPS signals to determine its position. It
displays the latitude and longitude of its last known position or of whatever position it is initialized
to on the Setup Page. Pin 2 should always be left open in the aircraft installation. Take-Home
mode must not be allowed during actual flight.
Pin 3; SPARE IN 1
Pin 4; SPARE IN 2
Pin 5; SPARE IN 3
Pin 6; ROLL STEERING LO-- Combined with Roll Steering HI provides a DC Roll Steering
Signal.
Pin 7; SPARE IN 0
Pin 8; APPROACH ARM IN
Pin 8 is used as a select input. If the installation is not certified for approach, the external switch/
annunciator is not needed.