Buttons and Switches Flashcards
Gen 1 Switch
Auto: Allows automatic operation of EPGDS, closing Gen 1 contactor and connecting Gen 1 to DC BUS 1
Off: Opens Gen 1 contactor isolating GEN 1 from DC BUS 1
GPU Button
Push in: Connect GPU to Central Bus, according to system priority
Push out: Isolates DC GPU from Central Bus
GEN 2 Switch
Auto: allows automatic operation of EPGDS, closing GEN 2 contactor and connecting GEN 2 to DC BUS 2
Off: Opens Gen 2 contactor isolating Gen 2 from DC Bus 2
Bus Tie Knob
1 Open: BTC 1 open only isolates DC BUS 1 from Central bus, but the DC Bus is still powered by Gen 1. To completely isolate DC Bus 1 Gen 1 contactor must be opened. The same issue arises with BTC 2.
Auto: Allows the EPGDS to automatically operate the BTC 1 and BTC 2
2 Open: Opens the BTC 2, violating the DC Bus 2 and allows BTC 1 automatic operation
Elec Emer Button
Push In: Overrides the EPGDS automatic transfer to the electrical emergency circuitry, connecting Batt1 and Batt 2 directly to the Emergency Bus
Push Out: The power contractors operate automatically according to the electrical distribution logic
Batt 1 and 2 Switch
Batt 1 Switch: On: closes BC 1 contactor, connecting Hot Batt Bus 1 to the Emergency Bus
Batt2 Switch: On: Closes BC 2 contactor, connecting Hot Batt Bus 2 to the Central Bus
PED-BELTS/OFF
turns on the FASTEN SEAT BELTS signs in the cabin, removes AC power from portable electronic devices and turns on the main door courtesy/safety lights in the cabin.
BELTS/ON
turns on the FASTEN SEAT BELTS signs and supplies AC power to por- table electronic devices.
OFF/ON
turns off passenger signs in the cabin and supplies AC power to portable electronic devices.
TEST BUTTONS
START TEST BUTTON
Figure 4-2.
Test Panel
* When pressed, allows testing of system selected on the selector test knob.
SELECTOR TEST KNOB
* Selects the system which pilots wish to test.
* OncetheSTARTtestbuttonispressed,a selected condition is simulated. Accord- ing to the selection, aural warning, CAS messages or panels indications can be provided.
Takeoff Configuration Button
Checks the takeoff configuration
Pusher Cutout Button
When pushed in, illuminates the button, a CAS message is displayed and inhibits the pusher actuation
TAWS Cockpit Control Panel
G/S INHIB BUTTON
* Deactivate GPWS mode 5 (GSD and GPD) aural and visual alerts when they are deemed unnecessary by the aircrew.FLAP OVRD BUTTON
* Forces the FIT protection mode( GPWS Mode 4) to treat flaps as if they were in the landing position.TERR INHIB BUTTON
* Deactivate PDA/FLTA aural and visual alerts when they are deemed unnecessary by the aircrew.
Fuel Pump Selector Switch
- ON: Activatestheelectricfuelpump
- AUTO: Automatically activates electric fuel pump according to system logic
- OFF: Deactivates electric fuel pump
Crossfeed Valve Knob (XFEED)
-The crossfeed operation allows fuel transfer from tank to engine to balance the left and right wing tanks
LO1: Opens the crossfeed valve and turns on electric pump 2
OFF: Closes the crossfeed valve
LO2: Opens the crossfeed valve and turns on electric pump 1
Thrust Lever Position
*
MAX: selects maximum thrust mode settings.
*
TO/GA: selects takeoff and go-around mode settings.
*
CON/CLB: provides the maximum con- tinuous and climb mode settings.
*
MAX CRZ: selects the cruise mode setting.
* IDLE: selects the ground and flight idle thrust settings.