Lowell AMFM2 Assembly instructions

Optional Accessories (sold separately):
Lowell Manufacturing offers a full line of 19" equipment cabinets, wall mount shelves, rack mount AC power panels,
AC power strips, and cooling fans that can be used to install the Lowell Amplifier products.
See www.lowellmfg.com for product details.
1
REMOVABLE
PHOENIX
CONNECTOR
Instruction Sheet
IS-AMFM2
Issued: 2-18-15
Lowell Manufacturing Company 100 Integram Drive Pacific, Missouri 63069 U.S.A.
Call: 800-325-9660 Fax: [phone] Click: www.lowellmfg.com
AMFM2
INSTALLATION SHEET
AND OPERATORS MANUAL
General Description:
The AMFM2 is a rack-mountable digital AM/FM stereo tuner featuring a large illuminated digital display with 10 AM
and 10 FM station presets, 14 day preset memory retention, and auto station search. The stereo/mono switch in
“Stereo Mode” provides stereo Hi-Z unbalanced line level outputs, or in “Mono Mode” provides dual mono Hi-Z
unbalanced line level outputs and an independent mono 8 ohm amplifier which will drive a monitor speaker or a
telephone system’s “Music-On-Hold”. A 12 VDC power connection is available for emergency back-up power or for
DC powered use in remote locations. An FM wire antenna is included and an “F” connector adapter is included for
the connection of coaxial cable from a remote FM antenna (coaxial cable and remote FM antenna not included). A
local AM loop antenna, a 2' RCA stereo to RCA stereo cable, and four (4) rubber stick-on feet are also provided.
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Technical Specifications
Dimensions: 19" wide x 1.75" high x 9.5"deep (482mm wide x 44mm high x 240mm deep)
Shipping Weight: 10LBS. (4.54KGS)
Color: Black
Tuning Range: FM: 87.5-108MHz, AM: 530-1710kHz,
Total Harmonic Distortion: < 1% at 1kHz at rated power
Weight: 7.25LBS. (3.29KGS)
AC Supply Voltage: 115VAC/230VAC (switchable) 50/60Hz, Power Consumption: 10W @ Rated Power
DC Supply Voltage: 12VDC, Power Consumption: 1.5A @ Rated Power
Antenna Input: FM: 75Wunbalanced coaxial, AM: 150Wtwin push terminals for AM loop antenna.
Stereo/Mono switch provides: Stereo Position; Stereo RCA jacks, unbalanced 0.775V @330WOutputs. (No MOH Out)
Mono Position; 2 Mono RCA jacks, unbalanced 0.775V @330W& Music-On-Hold Output: 8W1W @ screw terminals.
Frequency Response: 50Hz-15kHz + 3dB
Signal to Noise Ratio: FM: 60dB, AM: 45dB

2
REMOVABLE
PHOENIX
CONNECTOR
Instruction Sheet
IS-AMFM2
Issued: 2-18-15
Lowell Manufacturing Company 100 Integram Drive Pacific, Missouri 63069 U.S.A.
Call: 800-325-9660 Fax: [phone] Click: www.lowellmfg.com
Getting Started:
Please study carefully the “IMPORTANT SAFETY INSTRUCTIONS” that are given on page 4 before applying power
to your AMFM2 tuner.
This unit was carefully checked and packed before leaving the factory. However, it is always a good idea to inspect
the shipping container and unit for indications of improper handling. If the unit has been damaged, make an
immediate claim to the dealer or distributor from whom it was purchased. If the unit was shipped to you, notify the
transportation company without delay, saving all packing materials, in order to process the claim.
INSPECTION
Before installing the AMFM2 tuner, continue the inspection by running a quick performance check. With the stereo/
mono switch in the “MONO OUT & MOH OUT” position, connect an 8Wtest speaker to the 8Wmusic-on-hold “MOH
OUT” terminals, attach the FM wire antenna, and set the controls for operation. MAKE SURE THE UNIT IS
GROUNDED BEFORE TESTING. In this way you can check the basic operation of the AMFM2 before actually
installing the unit and making all of the final terminations required for the permanent installation. If shipping damage
has resulted in the tuner being inoperable out of the box, call Lowell Customer Service to arrange for a replacement.
INITIAL PERFORMANCE CHECK
MOUNTING THE TUNER
The AMFM2 may be placed on a wall-mount shelf. For shelf mounting, attach the provided stick-on rubber feet to
the bottom of the AMFM2 chassis. Rack mount ears are built-into the front panel of the AMFM2, so the unit may be
mounted in a Lowell equipment cabinet using standard 10-32 Phillips-head machine screws (like the Lowell model
RS or RSP rack screws) with integral plastic washers to protect the finish of the front panel of the tuner.
MUSIC-ON-HOLD (MOH) OUTPUT
The MOH 8W1 watt output can drive a monitor speaker or the Music-On-Hold input of a telephone system.
G COM 8W
MOH OUT
MONITOR
SPEAKER
+
_Telephone
System
MOH
Input
600WTwisted-Pair Wiring
Shieldedwiring from the MOH output to the
telephone system MOHinput is typically not
required, but if shielded wiring isused, drain the
shield at theMOHoutput and buttthe shield (no
connection) at the telephonesystem.
BUTT SHIELD (Noconnection)
DRAIN
SHIELD
G COM 8W
MOH OUT
WARNING: THIS AMFM TUNER
MUST BE EARTH GROUNDED.
The AC power cord provided with this tuner is equipped with a North American style NEMA 5-15P plug and the AC
VOLTAGE SELECT SWITCH (see item on page 3) is set to operate on a 115 VAC 50/60 Hz. power source. The
AMFM2 may also be powered with 12VDC (See the DC current requirements under “DC SUPPLY VOLTAGE” in the
“TECHNICAL SPECIFICATIONS” section on page 1). If this unit is to be used in other geo-political areas of the
world, it may be necessary to change the AC SUPPLY SWITCH to operate on 230 VAC. Remove the black screw
below “VOLTAGE SELECT” on the rear panel and push the switch in using a small diameter insulated tool .
Remove the plug from the end of the cord and replace it with one appropriate for the local power grid receptacle
standards. The internal wire color code for the cord supplied with this unit is as follows:
Green/Yellow Earth “E” or Safety Ground
Blue Neutral “N”
Brown Line “L” or Hot
Note: If a British Standard BS1363 plug is installed, it must be provided with a 5 Amp fuse.
Since electrical color codes vary around the world, make sure that the correct connections are made to the cord
even if the local color code is different. If in doubt, obtain the services of a locally qualified electrical professional.
POWER WIRING
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MAIN OUTPUT CONNECTIONS
On the rear panel of the AMFM2 is a Stereo/Mono switch. When this switch is in the “MONO
OUT & MOH OUT” position, RCA output jacks 1 and 2 provide the same mono output and the
Music-On-Hold (MOH) output is “ON”. When this switch is in the “STEREO OUT ONLY”
position, those same two RCA jacks (also marked L and R) provide a stereo output and the
Music-On-Hold (MOH) output is “OFF” (provides no output). The output cables connected to the
RCA output jacks should be wired with the pin “hot” or “+” and with the sleeve “common” or “-”.
Sleeve
_+
Pin

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Instruction Sheet
IS-AMFM2
Issued: 2-18-15
Lowell Manufacturing Company 100 Integram Drive Pacific, Missouri 63069 U.S.A.
Call: 800-325-9660 Fax: [phone] Click: www.lowellmfg.com
3
OPERATING INSTRUCTIONS
A) Turn “ON” Master Power Switch. Turn on Tuner Power Switch. Both switches must be “ON” to operate tuner.
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B) Press the “Band” button to select FM or AM frequencies.
4
F) The “MEM UP” (memory up) button has been provided as a convenient way to step through the presets in one
band without having to press the +5 button. The “MEM UP” button will choose the next preset higher than the
previous preset chosen. In this way you can step through presets 1-10 and then back to 1 again without ever
having to press the +5 button.
5
15Chassis Ground Screw
16Voltage Select Switch
1712VDC Input
18Stereo/Mono Switch
Power Cord Socket
13
Main Power Fuse (0.5A 250VAC)
14
Master Power Switch
9
Preset Buttons M1 - M5
10
Sleep Button
12
+5 Button
1
1
Master Volume Control
Tuning (Up) Button
7
1Tuner Power Switch
2Digital Display
3Memory Button
4Band Button
5MEM. UP Button
6Tuning (Down) Button
G) The “Sleep” function is used to set the time that the tuner will operated before shutting off . One press of the
“SLEEP” button will show “00” on the display which means that the sleep function is off. A second press of the
“SLEEP” button will show 10 (for 10 minutes) and after a third press the display will show 20 (for 20 minutes).
Additional presses will add 10 minutes up to a maximum of 90 minutes. As the sleep timer winds down, if the
“SLEEP” button is pressed again, the remaining time before shutoff will briefly show on the display, and then the
display will go back to normal. To turn the timer off once set, step the timer display back to 00 again. Once the
sleep timer has shut off the power to the tuner, the “Tuner Power Switch” must be pressed to turn the tuner
back on in normal mode.
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1
8
D) 10 AM station presets and 10 FM station presets are available. To select a preset, first select the band (AM or
FM), second select the preset. Press buttons 1-5 to select presets 1-5 in the band chosen. To select preset 6,
first press the “+5” button and then press the M1 button. To select preset 7, first press the “+5” button and then
press the M2 button. To select preset 10, first press the “+5” button, and then press the M5 button.
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C) Press Tuning (DOWN) or Tuning (UP) to select a station. Press the tuning up or down buttons and
hold for over 3 seconds, and the tuner will enter the automatic scan mode where it will search for an active station.
When an active station is detected, the tuner will automatically stop scanning and the tuner will play the station.
67
E) To save a station to a preset: First, select the band (AM or FM). Second, tune in the station desired. Third, press
the “Memory Button” . Fourth, enter the preset number. Fifth, press the “MEMORY BUTTON” , and your
preset is saved. For example, if you want to save AM station 1120 to AM preset 10, you would do the following:
First, set the band button to AM. Second, tune the station to 1120 using the tuning buttons. Third, press the
“MEMORY” button. Fourth, press the +5 button then the M5 button (which selects memory 10). Finally, press the
“MEMORY” button, and your preset is saved. Note: When the tuner is powered down, the preset memory will
remain for 14 days. If left unpowered for more than 14 days, the station presets would be lost and would need to
be reset. It is a good idea to make a written record of your favorite presets so they can easily be re-entered.
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H) The Master Volume Control on the front panel adjusts the dual mono outputs and the MOH output. The MOH
Volume Control on the rear panel only adjusts the MOH (music-on-hold) output.
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19
AMFM2 Front Panel
23 4 5 6 7 8
1
AMFM2 Rear Panel
13141516171819
Stereo/Mono Outputs
23
22AM Antenna Input
FM Antenna Input
2
1
MOH Volume Control
20
19MOH Output (8W,1 W)
9
10 1
112
20 2
122

4
REMOVABLE
PHOENIX
CONNECTOR
Lowell Manufacturing Company 100 Integram Drive Pacific, Missouri 63069 U.S.A.
Call: 800-325-9660 Fax: [phone] Click: www.lowellmfg.com
Read these instructions. Keep these instructions. Heed all warnings.
Follow all instructions. Do not use this apparatus near water.
Clean only with a dry cloth.
Do not block any ventilation openings. Install in accordance with manufacturer’s instructions .
Do not install near any heat sources such as radiators, registers, stoves, or other apparatus (including amplifiers)
that produce heat.
Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with
one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or
third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
Protect the power cord and plug from being walked on or pinched particularly at plugs, convenience receptacles,
and the point where it exits from the apparatus.
Only use attachments and accessories specified by the manufacturer.
Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus.
When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
Unplug this apparatus during lightning storms or when unused for long periods of time.
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in
any way, such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the
apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
The plug on the power cord is the AC mains disconnect device and must remain readily operable. To completely
disconnect this apparatus from the AC mains, disconnect the power supply cord plug from the AC receptacle.
This apparatus shall be connected to a mains socket outlet with a protective earthing connection.
When permanently connected, an all-pole mains switch with a contact separation of at least 3 mm in each pole
shall be incorporated in the electrical installation of the building.
If rack mounting, provide adequate ventilation. Equipment may be located above or below this apparatus, but
some equipment (like large power amplifiers) may cause an unacceptable amount of hum or may generate too
much heat and degrade the performance of this apparatus.
This apparatus may be installed in an industry standard equipment rack. Use screws through all mounting holes
to provide the best support.
WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. Apparatus
shall not be exposed to dripping or splashing and no objects filled with liquids, such as vases, shall be placed on the
apparatus. This product may contain chemicals known to the State of California to cause cancer, or birth defects or
other reproductive harm.
NOTE: This equipment may generate, uses, and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures: Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
CAUTION: Changes or modifications not expressly approved by Lowell Manufacturing will void the manufacturers warranty.
IMPORTANT SAFETY INSTRUCTIONS
Instruction Sheet
IS-AMFM2
Issued: 2-18-15