OPERATION
GENERAL INFORMATION
1.1 SCOPE
This section provides detailed operating instructions for the Apollo SL15-CD
Audio Control Panel with the integrated CD15 Remote Compact Disc player.
Please read it carefully before using the equipment so that you can take full
advantage of its capabilities.
This chapter is divided into five sections covering the basic operating areas. They
are Audio Selector, Transceiver Selection, Intercom, CD operation and Marker
Beacon Receiver.
Apollo SL15-CD controls
1.2 Power Switch (EMG-Fail Safe Operation)
Unit power is turned on and off by pushing the volume knob. In the OFF or
"EMG" position, the pilot is connected directly to Com 1. This allows communi-
cation capability regardless of unit condition. Any time power is removed or
turned OFF, the audio selector will be placed in the fail-safe mode.
The power for the CD player (CD-15) is controlled by the audio panel. When the
audio panel is on, it automatically activates the player. If it is necessary to disable
the CD player, hold the two CD buttons (far right) in for more than 2 seconds.
This removes power from the CD-15 circuits. To re-enable the CD-15, cycle
power on the SL15-CD audio panel.
The power switch also controls the audio selector panel functions, intercom, CD
player and marker beacon receiver.
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1.3 Microphone (XMT) Selection (All models)
There are six pushbuttons associated with the communications transceivers. The
lower buttons control which transceiver is selected for transmit.
The SL15-CD gives priority to the pilot’s PTT.
If the copilot is transmitting, and the pilot
RCV
presses his PTT, the pilot’s microphone will be
XMT
heard over the selected communications trans-
mitter.
The SL15-CD has an automatic selector mode. Audio from the selected trans-
ceiver is automatically heard in the headsets and speaker (if SPR selected). You
can check this function by switching from COM 1 to COM 2 and watch the
selected audio light on the selector change from COM 1 to COM 2. This ensures
the pilot will always hear the audio from the transceiver he is transmitting on.
When switching from COM 1 to COM 2, while COM 2 audio had been selected,
Com 1 audio will continue to be heard. This eliminates the pilot having to switch
Com 1 audio back on, if desired.
When switching from COM 1 to COM 2 while Com 2 has NOT been selected,
Com 1 audio will be switched off. In essence, switching the mic selector will not
effect the selection of Com receiver audio.
When the duplex, or TELEPHONE mode is implemented, Com 3 becomes the
“TEL” position. This is the pilot’s “hook” switch, when the system is interfaced
to an appropriate approved wireless telecommunication system, such as the Air-
Cell system. Placing the mic selector in Com 3 places the pilot microphone and
headphones on the cellphone. The pilot PTT will switch the pilot mic to the other
selected com transceiver, and allow continued aircraft communications as well.
The copilot will also be able to transmit with his PTT as well.
NOTE
Placing the mic selector switch in the COM 3 –TEL– mode will disable pilot and
copilot intercom, as the intercom circuit is transferred to the telephone use. In
crew or ISO mode, placing the switch in TEL mode removes the passengers
access to the telephone.
1.3.1
Swap Mode (Switch from Com 1 to Com 2 remotely)
With a yoke mounted, momentary switch, the pilot can change from the current
Com transceiver (Com 1 or 2) to the other by depressing this switch. To cancel
"Swap Mode," the pilot may either press the yoke mounted switch again, or
select a different Com with the XMT buttons.
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1.4 Audio Selector (All models)
Receiver audio is selected through seven momentary, push-button, backlit
switches. You will always hear the audio from the transceiver that is selected for
transmit.
The users can identify which receivers are
selected by noting which of the green
switch LEDs are illuminated. Push buttons
labeled Nav 1, Nav 2, MKR (Marker),
AUX (auxiliary), and SPR (Speaker) are
"momentary type switches. When one of
these buttons is pressed, be active, and the LED will illuminate. Press the switch
again and it will be in the "off" position and remove that receiver from the audio.
If the aircraft is equipped with a DME or ADF, these audio sources can be
selected with the AUX button.
1.4.1
Speaker Amplifier
The "SPR" in the push-button section stands for speaker. This switch will place
all selected audio on the cockpit speaker when this switch is selected. NOTE:
Except for the unswitched audio, the speaker amplifier is not active in the "Split
Mode."
Unswitched audio, (autopilot disconnect, altimeter warning, etc.) will come
through the speaker regardless of the speaker button position.
1.4.1.1 Public Address Function
To access PA function, an external switch must be installed, and activated. This
places the pilot microphone on the speaker output when the PTT is pushed. The
copilot can continue to use the selected com radio.
We recommend that the switch transfer the audio from the cockpit speaker to a
cabin speaker for public address. This will prevent feedback.
1.4.2 Key “Click”
The SL15-CD is equipped with a “click” function that provides an aural feedback
to the user in addition to the tactile button push. This sound can be enabled or dis-
abled by simultaneously holding the COM 1 and COM 2 buttons in for at least 5
seconds. Any person hearing the radios will also hear the key click.
Allow at least 20 seconds between turning the key click on and off.
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1.5 Split Mode
The split mode can be activated at any time by pressing the desired combination
of XMT buttons. For instance, to activate a Com 1/Com 2 split, press and hold
the com 1 button, and then press the Com 2 button while holding the Com 1 but-
ton. This places the pilot on Com 1 and the Copilot on Com 2.
Split mode for Com 3, in normal (not TEL/Duplex) is possible with pilot on Com 1,
copilot on Com 2 or 3. Pilot on Com 2 or Com 3 and Copilot on Com 1 is not possible.
Note
Due to the nature of VHF communications signals, and the size constraints in
general aviation aircraft, it is probable that there will be some bleed-over in the
Split mode, particularly on adjacent frequencies. UPS Aviation Technologies
makes no warranty about the suitability of Split Mode in all aircraft conditions.
Split Mode does not turn off other (Nav, ADF, etc.) selected audio to pilot. How-
ever, the copilot will only hear the selected communications receiver.
1.5.1 Split Mode ICS
In split mode, the pilot and copilot are usually isolated from each other on the
intercom while simultaneously using their respective radios. Depressing the ICS
button in Split Mode will activate VOX intercom between the pilot and copilot
positions. This permits intercommunication when desired between the crew.
Pressing the ICS button again disables this crew intercom function.
1.6 Intercom Operation
1.6.1 IntelliVox® VOX-Squelch
No adjustment of the IntelliVox® squelch control is necessary. There is no field
adjustment. Through individual signal processors, the ambient noise appearing in
all six microphones is constantly being sampled. Non-voice signals are blocked.
When someone speaks, only their microphone circuit opens, placing their voice
on the intercom.
The system is designed to block continuous tones, therefore people humming or
whistling in monotone may be blocked after a few moments.
For consistent performance, any headset microphone must be placed within ¼-
inch of your lips, preferably against them. (ref: RTCA/DO-214, 1.3.1.1 (a)).
It is also a good idea to keep the microphone out of a direct wind path. Moving
your head through a vent air stream may cause the IntelliVox® to open momen-
tarily. This is normal.
The IntelliVox® is designed to work with normal aircraft cabin noise levels (70
dB and above). It loves airplane noise! Therefore, it may not recognize speech
and clip syllables in a quiet cabin, such as in the hangar, or without the engine
running. This is normal. For optimum microphone performance, UPS Aviation
Technologies recommends installation of a Microphone Muff Kit from Oregon
Aero (1-800-888-6910). This will not only optimize VOX performance, but will
improve the overall clarity of all your communications.
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1.6.2 Intercom Volume Control
The intercom volume control is the smaller concentric knob on the left side of the
unit. This volume control knob adjusts the loudness of the intercom for the pilot and
copilot only. It has no effect on selected radio levels, music input levels or passen-
gers' volume level.
Adjust the radios and intercom volume for a comfortable listening level for the
pilot. Most general aviation headsets today have built-in volume controls; there-
fore, passenger volume can be adjusted at the headset. If desired, passenger vol-
ume level can be adjusted by a screwdriver adjustment at the top of the tray.
1.6.2.1 Mono headsets in Stereo Installation
All passenger headsets are connected in parallel. Therefore, if a monaural headset
is plugged in to an Apollo SL15-CD Stereo installation, one channel will be
shorted. Although no damage to the unit will occur, all passengers will lose one
channel, unless they switch to the “MONO” mode on the headset. PS Engineer-
ing modifies headsets to add stereo capability, using high-fidelity speakers. Con-
tact factory for details.
1.6.3 Intercom Modes
The lower switch on the left side is a 3-position mode switch that
allows the pilot to tailor the intercom function to best meet the cur-
rent cockpit situation. The description of the intercom mode func-
tion is valid only when the unit is not in the "Split" mode. Then,
the pilot and copilot intercom is controlled with the ICS button.
ISO: (Up Position): The pilot is isolated from the intercom and is connected only
to the aircraft radio system. He will hear the aircraft radio reception (and sidetone
during radio transmissions). Copilot will hear passengers’ intercom and Enter-
tainment 1, while passengers will hear copilot intercom and Entertainment 2.
Neither will hear aircraft radio receptions or pilot transmissions.
ALL: (Middle Position): All parties will hear the aircraft radio and intercom. Crew
will hear Entertainment 1, passengers will hear Entertainment 2. During any radio
or intercom communications, the music volume automatically decreases. The
music volume increases gradually back to the original level after communications
have been completed.
CREW (Down Position): Pilot and copilot are connected on one intercom channel
and have exclusive access to the aircraft radios. They may also listen to Enter-
tainment 1. Passengers can continue to communicate with themselves without
interrupting the Crew and also may listen to Entertainment 2.
Anytime the SL15-CD is in either the COM 1/COM 2, COM 2/COM 1 ("Split
Mode"), the pilot and copilot intercom is controlled with the ICS button. The pas-
sengers will maintain intercommunications, but never hear aircraft radios.
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Table 1:
Mode
Pilot Hears
Copilot Hears
Passenger
Hears
Telephone
Comments
Isolate
A/C Radios
Pilot Sidetone passenger
(during radio intercom
transmission) Entertainment
Entertainment #1
1 is Muted
Copilot and
Passenger and “Phone Booth”
This allows the
pilot to
Copilot inter-
com
Entertainment
#2
mode
Pilot has exclusive
use of the tele-
phone.
communicate
without the others
bothered by the
radios. Copilot
and passengers
cancommunicate
and listen to
music
In TEL, Pilot
connected to Com
1 for PTT TX and
receive.
All
Pilot
Copilot
Copilot
Pilot
A/C Radio
Passengers
Passengers
Pilot
Copilot
A/C Radio
Entertainment
#2
All have access to
phone through
Hook Switch. Pilot
access through
TEL switch.
This mode allows
all on board to
hear radio
reception as well
as talk on the
intercom. Music
and intercom is
muted during
intercom and
radio
A/C Radio
Passengers
Entertainment Entertainment
#1
#1
All hear telephone
audio if off hook.
communications
Crew
Pilot
Copilot
A/C Radio
Copilot
Pilot
A/C Radio
Passengers
Entertainment
#2
Pilot and copilot
don’t have phone
access, unless mic copilot to
This mode allows
the pilot and
Entertainment Entertainment
#1 #1
sel in TEL.
concentrate on
Passengers have
phone through
Hook Switch,
Passengers hear
phone audio.
flying, while the
passengers can
communicate
amongst
themselves.
1.6.4 Entertainment Input
The audio selector panel has provisions for two separate entertainment input
devices. The CD-15 remote CD player is usually installed as Music 1, and feeds
the pilot and copilot positions. They operate independently in the SL15-CD. The
music volume control affects the CD-15 music level only in the pilot and copilot
positions.
While in the ISO (Isolate) mode, the copilot will hear Entertainment 1 while the
four passengers will hear Entertainment #2. The pilot will hear entertainment 1, at a
muted level. In normal operation, whenever a person speaks, or if the aircraft radio
becomes active, the music will automatically mute and then will gradually return to
the original listening level when the intercom or radio conversation ceases.
When in the ALL mode, pilot and copilot will hear Entertainment 1 input while all
passengers will hear the Entertainment 2 source. While in the CREW mode, pilot
and copilot will hear entertainment input #1 while the passengers may listen to
entertainment input #2.
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It is also possible to use just the CD-15 as entertainment input device for both
entertainment inputs. However, we suggest that a switch (DPDT) be installed
between CD-15 entertainment input #1. This will allow the pilot to direct the
music as desired.
1.6.4.1 Soft Mute and Soft Mute inhibit
The Soft Mute feature assures that the aircraft radio transmissions will not be
missed due to entertainment playing. When there is radio reception or intercom
conversation, the music level is dropped to a low, or background level. When the
radio or intercom traffic ceases, the level gradually returns to normal.
The front panel ICS switch controls muting of entertainment source #1 (for pilot
and copilot). Pushing this button places the ICS in Karaoke (or sing along) mode,
which inhibits the soft mute feature. This allows the music to con-
tinue uninterrupted by intercom or radio traffic when cockpit
workload is appropriate. Pushing the button again will release the
mute inhibit function. The passenger music, source #2, can be
placed in the Karaoke mode if a remote switch is installed in the aircraft.
1.7 Telephone Mode
The Com 3 mode can serve as a full duplex interface for telephone systems if the
installation is correctly configured. When interfaced with an approved airborne
telecommunications system, the PMA7000MS-CD can serve as a audio control
and distribution center. Each position has a "hook switch." The pilot's hook
switch is the "Com 3" button on the audio panel, the others are discrete switches
mounted adjacent to the headset jacks. When Com 3 is active in the duplex mode,
the TX button will blink about twice as fast as the normal transmit rate. When the
intercom is in ALL mode, the pilot can speak on the phone only if the Com 3 is
selected for transmit (Com 3 Xmt button activated). All intercom positions
will hear the telephone conversation. If any passenger places his or her switch
into the “off-hook” position all passengers will also be heard on the phone. All
hear selected audio. Com 1 audio is automatically heard in the headsets. The pilot
and copilot will have transmit capability on the other selected transceiver Com 1
or 2, simply by using their respective PTT switch.
In CREW mode, the pilot and copilot are may use the telephone, with their
respective hook switch (the pilot selects Com 3 on the Xmt selector). Any pas-
senger who places their switch into the off-hook position will also have access to
the phone, and all four passengers will hear the conversation.
In ISO intercom mode, when the SL15-CD is in the Com 3 mode, the pilot position
is in the "Phone Booth." Only the pilot will hear the telephone, and only he will be
heard. He will also have access to Com 1 or 2, and will transmit on that radio using
the PTT. All selected audio is provided. If any other passenger goes “off hook” they
will hear the phone.
NOTE
Because the cellphone uses an intercom circuit, all stations on that circuit will
lose intercom capability when the cellphone is in use.
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1.8 Compact Disc Operation
The two push buttons at the far right of the SL15-CD Option CD control the com-
pact disk operation. Inserting the disc into the CD-15 remote player unit will auto-
matically begin play.
The lower button (play/pause/advance) is used to play the disc from
stop, pause play, and advance the track. When the disc is stopped,
pushing the button starts play. A short push will pause play. A longer
press advances the track. Holding the button acts as a intro/scan, play-
ing the first two seconds of each track until released. The top button is
used to stop and eject the disc. Press momentarily to stop, press and
hold to eject. Pushing BOTH buttons momentarily will cause the CD to “back
up.” If pushed in mid song, it will back up to the beginning of the track. At the
beginning of a song, it will go back to the previous track.
This “back-up” feature implemented with Software Release BBBB for units
without IRS and FBBBB for units with IRS and later. The software version is
found on the side of unit by serial label. Holding BOTH buttons in for more than
two seconds will cause the CD player to power down.
NOTE
In order to restore CD operation you must cycle power on the SL15-CD.
1.9 Marker Beacon
The optional Marker Beacon Receiver uses visual and audio indicators to alert
you when the aircraft passes over a 75 MHz transmitter.
The Blue lamp, labeled "O," is the Outer Marker lamp
and has an associated 400-Hertz 'dash' tone. The lamp
and tone will be keyed at a rate of two tones/flashes per
second when the aircraft is in the range of the Outer
Marker Beacon.
The Amber lamp, labeled "M," is the Middle Marker lamp and is coupled with a 1300-
Hertz tone. It is keyed alternately with short 'dot' and long 'dash' bursts at 95 combina-
tions per minute.
The White lamp, labeled "I," is the Inner marker and has a 3000-Hertz 'dot' tone.
The lamp and tone will be keyed at a rate of six times per second.
The audio from the Marker Beacon Receiver can be heard by selecting the "MKR"
push-button switch. To adjust the volume level, there is a service adjustment located
on the top of the unit.
A three-position switch is used to set the receiver sensitivity and to test the indi-
cator lamps. Use "HI" sensitivity initially. This allows you to hear the outer
marker beacon about a mile out. Then select the “LO” sensitivity to give you a
more accurate location of the Outer Marker. The momentary down switch posi-
tion is marker test, labeled "T/M" and illuminates all three lamps simultaneously
to assure the lamps (internal and external) are in working order. TST does not
activate MM sense output.
Pressing the marker mode select down (to “T/M”) will cause the marker audio to
mute for that beacon. The next beacon received will re-activate the audio.
Page 10
Warranty and Service
2.1
Warranty
In order for the factory warranty to be valid, the installations in a certified aircraft must be
accomplished by an FAA-certified avionics shop and authorized UPS Aviation Technolo-
gies dealer. If the unit is being installed by a non-certified individual in an experimental
aircraft, a factory-made harness must be used for the warranty to be valid. This harness
may be purchased directly from PS Engineering (865-988-9800). UPS Aviation Technolo-
gies. warrants this product to be free from defect in material and workmanship for a period
of 26-months from the date of installation as recorded in aircraft logbook and/or on FAA
Form 337.
UPS Aviation Technologies, Inc. warrants this product to be free from defect in material
and workmanship for a period of 26-months from the date of installation. During this 26-
month warranty period, UPS Aviation Technologies, Inc. at its option, will send a replace-
ment unit at our expense if the unit should display any unusual behavior.
All transportation charges for returning the defective units are the responsibility of the
purchaser. All domestic transportation charges for returning the exchange or repaired unit
to the purchaser will be borne by UPS Aviation Technologies, Inc. The risk of loss or dam-
age to the product is borne by the party making the shipment, unless the purchaser
requests a specific method of shipment. In this case, the purchaser assumes the risk of loss.
This warranty is not transferable. Any implied warranties expire at the expiration date of
this warranty. UPS Aviation Technologies SHALL NOT BE LIABLE FOR INCIDENTAL
OR CONSEQUENTIAL DAMAGES. This warranty does not cover a defect that has
resulted from improper handling, storage or preservation, or unreasonable use or mainte-
nance as determined by us. This warranty is void if there is any attempt to dissemble this
product without factory authorization. This warranty gives you specific legal rights, and
you may also have other rights, which may vary from state to state. Some states do not
allow the exclusion of limitation of incidental or consequential damages, so the above lim-
itation or exclusions may not apply to you.
All items repaired or replaced under this warranty are warranted for the remainder of the
original warranty period. UPS Aviation Technologies, Inc. reserves the rights to make
modifications or improvements to the product without obligation to perform like modifi-
cations or improvements to previously manufactured products.
2.2 Factory Service
The unit is covered by a 26-month limited warranty. See warranty information. Call UPS
Aviation Technologies, Inc. at (800) 525-6726 before you return the unit. This will allow
the service technician to provide any other suggestions for identifying the problem and
recommend possible solutions.
After discussing the problem with the technician and you obtain a Return Authorization
Number, ship the product to:
UPS Aviation Technologies, Inc.
2345 Turner Road, S.E.
Salem, OR 97302
U.S.A. Toll Free 800.525.6726
Page 11
© 2002 by UPS Aviation Technologies, Inc.
2345 Turner Rd., SE
Salem, OR 97302 USA
Phone 503.581.8101
800.525.6726
FAX 503.364.2138
Canada 800.654.3415
Part # 560-0981-00 Rev --
May 2002
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