User manual
Williams Sound FM 458-12 Personal PA

User Manual for Williams Sound FM 458-12 Personal PA FM Assistive Listening System

• Product category: Assistive Listening Systems Williams Sound
• Brand: Williams Sound
• Description and content of package
• Technical information and basic settings
• Frequently asked questions – FAQ
• Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
• Authorized service for Williams Sound Assistive Listening Systems

Product description

• PPA T45 Assistive Listening Transmitter The Williams Sound PPA T45 transmitter offers multiple digital audio input options, and an OLED high-resolution screen with simple menu navigation. It features 3 microprocessors and high-quality audio and RF performance, designed to take the guesswork out of complex audio installations. Simply select among voice, music, or hearing assistance in the application preset menu, and this transmitter quickly configures itself. With a range of up to 1000 feet, the PPA T45 is ideal for large venues where superior coverage is essential.
  Features:
  • • Multiple digital audio inputs (AES, SPDIF) provide direct connection to digital signal sources
    • OLED high-resolution screen with simplified menu navigation, offers comprehensive and convenient access to full system functions
    • DSP audio processing
    • Sleek and stylish new design
    • Simple set-up and operation
    • 1000’ operating range
    • OLED display, push-button menus
    • Microprocessor controlled
    • Adjustable RF power output
    • Combo XLR, 1/4” TRS inputs
    • Lifetime PLUS Limited Warranty (90 days on accessories)
• PPA SelectView FM Receiver The Williams Sound PPA SelectView FM Receiver is an FM receiver for assisted listening applications. It features a high-resolution OLED screen that provides a quick view of receiver status and immediate entry to all user settings. The receiver has on-screen channel selection with access to 17 pre-set, wideband frequencies (72 to 76 MHz).
  
  The PPA SelectView is digitally synthesized to provide audio clarity and stability and also features digital tuning, digital squelch and battery-saving sleep mode. A belt clip is included.
  • OLED high-resolution screen provides a quick view of receiver status
  • All user settings are accessible via the on-screen menu - including all 17 wideband channels.
  • Stereo headphone jack
  • Works with rechargeable or non-rechargeable batteries
  • Digital volume controls
  • 4-step battery level indication
  • Display shows channel or frequency
  • Step/seek function allows user to increment channel manually, or seek to the next active channel
  • Sleep Mode/Auto-Off saves battery power
  • Soft Audio Turn-On
• EAR 022 Surround Earphone The Williams Sound EAR022 is a single-sided, clip-on earphone ideal for use with personal listening devices. The clip is designed to fully surround the ear for maximum stability and comfort. The monaural 1/8" mini-plug is compatible with a wide variety of devices.
  • • Hangs on outside of the ear
    • Plug: 1/8" mono
    • Cord: 3.3'
    • Monaural
    • 32 Ohms
    • Recommended for FM receivers and select IR receivers
    • Designed for individuals with mild and low gain hearing loss
• NKL 001 Induction Neckloop for T-Switch Hearing Aids The Williams Sound NKL 001 is an induction neckloop designed to magnetically couple an audio signal to a telephone coil-equipped (T-Switch) hearing aid. The neckloop has a standard 1/8" mini plug that can be connected to any audio device that has an 8-16 Ohm 1/8" output, such as a beltpack receiver, TV, tape player, etc. The neckloop has a slider so you can adjust the tension, and the 18" cord provides a good amount of slack for use with body-worn devices.
  • • Integrated safety breakaway device
    • Cord Length: 18"
    • Adult size
    • Connector: 1/8" mono plug
    • Monoaural
    • Impedance: 8 to 16 Ohms
    • Recommended for FM receivers and select IR receivers
    • For individuals with moderate to severe hearing loss
• IDP008 - ADA Wall Plaque for Hearing Assistance The IDP008 from Williams Sound is a self-adhesive wall plaque that alerts your patrons to the fact that your establishment has a hearing assistance system. Perfect for theaters, auditoriums, and more, the plaque is large and easy-to-see.
• AA Alkaline Battery (2-Pack) This Williams Sound AA Alkaline Battery 2-pack is compatible with several FM listening systems, receivers, transmitters, earphones, headphones, and more.

• ANT025 - 39" Telescoping Whip Antenna for T45 Transmitter

• TFP 048 Power Supply for PPA T45 and PPA T45NET

• WLC 004 3-Pin US Main Power Cord for CHG 3512 Charger, IC-2 Control Console, and WIR TX75 Transmitter (Black, 7.5')

• WCA 013 RCA Audio Cable (3')

• Limted Lifetime Warranty

• Limted 90-Day Warranty on Accessories

• CLP 015 Belt Clip

• Limited Lifetime Warranty

• Limited 90-Day Warranty

• Limited 1-Year Warranty

• 90-Day Limited Warranty

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Technical parameters

• PPA T45 Assistive Listening Transmitter

  Rack Mount	Standard 19" Rack, one EIA rack space high, 1/2 space wide 1-2 units can be mounted in a single rack space with optional RPK 005 (single) or RPK 006 (double) rack mount kits
  Power Supply	Desktop-style transformer (TFP 048) Input: 100-240 VAC, 50/60 Hz, IEC line cord Output: 24 VDC, 750 mA, 18 W, 2.5 mm ID center positive barrel connector Approvals: UL, CUL, Energy Star V, CSA listed
  Indicators	Power Indicators: Push On/Push Off latching power button, backlit Green indicates Power ON, back-lit off indicates power OFFAudio Level Indicators: 10-LED array that reads -18 to +9 dB at 3 dB intervals. 7 Green, 2 Amber, and 1 red LED. Green LEDS indicate normal operating audio level peaks, Amber LEDS indicate close to overload peaks, Red LED indicates overload peaks
  Temperature Range	Operating: +32 to +104°F (0 to 40°C) Storage: -4 to +158°F (-20 to 70°C)
  Menu Options	Audio Presets (Music, Voice, Hearing Assist, Custom), Frequency/Channel selection, Frequency/Channel mode, Audio Input Source (Microphone, Line, Phantom, Digital AES/EB, Digital S/PDIF), High Pass Filter, Low Pass Filter, Compression, RF Output Power, Screen Saver Delay, Test Tone (400 Hz), Headphone Volume, Headphone Source
  Operating Frequencies	72.1 to 75.9 MHz, 17 wideband channels (selectable)
  Frequency Accuracy	±2 ppm stability, 32 to 122°F (0 to 50˚C)
  Deviation	±75 kHz maximum
  Pre-Emphasis	75 µsec
  RF	RF Field Strength: Does not exceed 80 mV/m at 9.8' (3.0 m) RF Timer: Menu selectable - 30 Min, 4 Hours, or Always On Time starts when no audio is present RF Power: Menu selectable - High, Medium, Low, OFF RF Outputs: (1x) #10-32 stud connector in center of unit (PCB mounted), (1x) F-connector on rear chassis RF Transmit Indicator: 1 Green LED, indicates RF “ON”
  Antenna Type	Compatible Antennas: ANT 005, ANT 021, ANT 024, or ANT 025
  Transmission Range	Up to 1000' (304 m) with ANT 005 coaxial antenna mounted on rear chassis connector
  Audio Processing Functions	DSP, Compression: 1:1, 1.5:1 or 2:1, High Pass and Low Pass Filter Frequency control
  Frequency Response	31 Hz to 16 kHz, ±3 dB ("Music" audio preset)
  Signal-to-Noise Ratio	≥74 dB Transmitted RF
  Total Harmonic Distortion	Less than 0.25% @ 1 kHz (RF output)
  Common Mode Rejection	>57 dB @ 1 kHz, Mic or Line
  Audio Inputs	1x combination 3-pin XLR, 1/4" TRS jack for mic or line level analog audio, balanced or unbalanced line level, or microphone with selectable phantom power 1x XLR for digital audio, AES3/EBU, supported sample rates 44.1 and 48 kHz 1x RCA for digital audio, S/PDIF, supported sample rates 44.1 and 48 kHz
  Gain Adjustment	In menu, adjustable to 0 to -50 dB, in 1 dB steps
  Phantom Power	14.4 VDC applied through 2.2 kOhms resistors to analog combo jack: Pin 2 and Pin 3 on XLR jack, or tip and ring on 1/4" TRS jack
  Input Level	Microphone: -55 dBV (1.7 mV RMS), nominal (1st amber LED) -15 dBV (180 mV RMS), overload warning (displayed on screen) +20 dBV (10.0 V RMS), absolute maximum ratings Line: -25 dBV (55 mV RMS), nominal (1st amber LED) +16 dBV (6.3 V RMS), overload warning (displayed on screen) +20 dBV (10.0 V RMS), absolute maximum ratings
  Headphone Output	1/4" TRS stereo jack, mono signal, 15.7 mW, maximum in 33 Ohms (level adjustable in menu 0 to -40 dB in 2 dB steps)
  Line Output	RCA jack (black), -10 dBV (.32 V RMS), output impedance 100 Ohms
  Ethernet	RJ-45 on back of unit (PPA T45NET only)
  Approvals	FCC, RoHS2, WEEE, Industry Canada
  Dimensions	8.45 x 8.25 x 1.72" (21.5 x 21 x 4.4 cm)
  Weight	Transmitter: 3.0 lb (1.36 kg)

  Box Dimensions (LxWxH)	12.756 x 10.551 x 3.543"

• PPA SelectView FM Receiver

  Battery Type	2x AA Alkaline or NiMH rechargeable
  Battery Life	Alkaline Batteries: 50 hours, approximate Rechargeable NiMH Batteries (1,500 mAh): 32 hours, approximate
  Current Consumption	52 mA, nominal
  Operating Temperature Range	32 to 122° F (0 to 50° C)
  Channels	17x Wideband, accessed via menu
  Operating Frequencies	72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 MHz
  FM Deviation	75 kHz
  De-Emphasis	75 µS
  Screen	1" (25.4 mm) OLED
  Power Indication	Power Button: Backlit green Good Battery Strength: Glows solid Low Battery: flashes
  Sensitivity	2 µV at 12 dB Sinad with squelch defeated
  Input Overload	100 mV
  Frequency Response	200 Hz to 15 kHz, ±3 dB
  Modulation	FM, ±75 kHz peak deviation
  Signal to Noise Ratio	Minimum 65 dB @ 1.0 V
  Antenna	Receive Antenna: Integral with earphone/headphone cord
  Audio Output	35 mW maximum at 16 Ohms
  Headphone Connector	1/8" (3.5 mm) stereo jack, mono output for stereo or mono earphones/headphones
  Power Save Mode	Enters sleep mode after approximately 3 minutes of no RF signal
  Construction	ABS plastic with aluminum face plate
  Dimensions (H x W x D)	4.1 x 2.9 x 1.4" (104 x 72 x 35 mm)
  Weight	With Batteries: 4.6 oz (130 g) Without Batteries: 2.6 oz (73 g)

  Box Dimensions (LxWxH)	3.858 x 2.52 x 1.181"

• EAR 022 Surround Earphone

  Style	Around-ear speaker
  Plug	1/8" / 3.5 mm mono
  Driver Size	0.9" / 23.0 mm
  Nominal Impedance	32 Ohms
  Frequency Response	20 Hz to 20 kHz
  Power Input	30 mW
  Sensitivity	118 dB @ 1 kHz
  Cord Length	39.0" / 99.1 cm
  Weight	0.5 oz / 15.0 g

  Box Dimensions (LxWxH)	2.7 x 2.2 x 0.3"

• NKL 001 Induction Neckloop for T-Switch Hearing Aids

  Magnetic Field Strength	25 mW input at 1000 Hz produces 1.7 A/m 6" above the center of loop 85μW input produces 0.1 A/m (IEC Standard)
  Input Power	500 mW max
  Impedance	8 to 16 Ohms
  Connector	1/8" / 3.5 mm mono mini-plug
  Cable Length	18 / 457 mm
  Color	Black
  Approvals	RoHS, WEEE
  Weight	1.5 oz / 43 g

  Box Dimensions (LxWxH)	5.6 x 4.1 x 1.0"

• IDP008 - ADA Wall Plaque for Hearing Assistance

  Dimensions (WxH)

  6.5 x 10.5" (165 x 266 mm)

  Box Dimensions (LxWxH)	7.3 x 4.3 x 0.1"

• AA Alkaline Battery (2-Pack)

  Battery Type	2 x AA
  Battery Chemistry	Alkaline
  Battery Voltage	1.2 V

  Box Dimensions (LxWxH)	1.9 x 1.0 x 0.5"

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