(2)
On the RMP1, set the ON/OFF selector switch to OFF.
(3)
Disconnect the boomset at all the crew stations.
(4)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002)
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TASK 23-11-00-710-002 Operational Test of the Two HF Systems at the Same Time WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______
YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
WARNING : DO NOT EMIT WITH THE HF SYSTEM WHILE THE AIRCRAFT IS BEING
_______
FUELED.INJURY TO PERSONAL OR FIRE MAY RESULT.
NOTE : During this test, the aircraft must be in an open area.
____
1. Reason for the Job
__________________
To do a check of the operation at the same time of the two HF systems.
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
3. Job Set-up
__________
Subtask 23-11-00-860-052
A. Aircraft Maintenance Configuration
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
On the front face of the HF transceivers:
-Make sure that all the warning lights are off.
(3)
On the Captain and First Officer jack panels:
-Connect two boomsets.
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Subtask 23-11-00-865-052
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU COM/RMP/1 2RG1 G10 49VU COM/AUDIO/ACP/F/O 5RN G07 49VU COM/AUDIO/ACP/CAPT 4RN G06
**ON A/C 001-049, 101-105, 151-199,
49VU COM/HF1 1RE1 HA14
**ON A/C 051-099, 201-210, 301-399,
49VU COM HF1 1RE1 HA14
**ON A/C 001-049, 051-099, 101-105, 151-199, 201-210, 301-399,
R 121VU COM NAV/HF2 1RE2 L13
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-210, 301-399, 401-499,
R R 121VU COM NAV/RMP/2 121VU COM NAV/SELCAL 2RG2 8RN L02 M04
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4. Procedure
_________
WARNING : OBEY THE RADIO REGULATIONS AND MAKE SURE THAT THE FREQUENCY IS
_______
AVAILABLE BEFORE YOU TRANSMIT.
Subtask 23-11-00-710-052
A. Operational Test of the Two HF Systems at the Same Time(Reception)
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the RMP1:
-Set the ON/OFF selector switch to ON.
-Push the HF1 pushbutton switch.
-In the STBY/CRS display window, with the dual selector knob, set the frequency of a station that transmits.
-Start this frequency. To do this, push the transfert pushbutton switch (double arrow) between the two display windows.
2. On the RMP2:
-Do the same procedure as for the RMP1, but set the HF2 system and a different frequency.
3. On the Captain's ACP:
-Push the HF1 transmission
pushbutton switch.
On the RMP1:
-
The RMP shows the last frequenciesand the last function used.
-
The green LED on this pushbutton switch comes on.
-
The SEL indicator light (white LED) comes on.
-
The frequency set comes into view inthe left window.
On the RMP2:
-You must get the same results as instep 1.
On the Captain's ACP:
-The green bars on the HF1transmission pushbutton switch come on.
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