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User manual for TeachLogic The IRF-2150 LS-4 Forum 232 Sapphire IRF-2150/LS4
- Manufacturer: TeachLogic
- Basic description and contents of package
- Product classification: A/V Presentation - Assistive Listening - Assistive Listening Systems
- Safety instructions
- Startup and operation of the assistive listening systems
- Tips for setting up your TeachLogic
- Settings and expert assistance
- Contact TeachLogic service
- Troubleshooting
- Warranty information
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We recommend checking out our discussion threads on the TeachLogic The IRF-2150 LS-4 Forum 232 Sapphire IRF-2150/LS4,
which address similar problems with connecting and setting up Assistive Listening Systems TeachLogic.
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User manual for the TeachLogic The IRF-2150 LS-4 Forum 232 Sapphire IRF-2150/LS4
The user manual for the TeachLogic The IRF-2150 LS-4 Forum 232 Sapphire IRF-2150/LS4 provides
necessary instructions for the proper use of the product A/V Presentation - Assistive Listening - Assistive Listening Systems.
The TeachLogic IRF-2150 LS-4 Forum 232 Sapphire Classroom Sound System is a 2-channel infrared sound field (with Security Alert) sound presentation system. It includes the IMA-232 Base 50-watt amplifier/mixer which features an automatic energy saving "sleep" mode, and two wireless microphone channels/receivers which provide more freedom and permits hands free performance. Two auxiliary line inputs provide multimedia integration with distribution of sound throughout the entire classroom. The system features two separate outputs for assistive listening and affords recording options with active boards.
The Forum 232 incorporates the Digital Feedback Guard (DFG), a 3-band equalizer, digital limiting, and RS-232 connection for control the panel (IMA-232). Additionally it features two infrared wireless microphone receivers and two 25 watt RMS power amps for a total of 50 watts of class D amplification.
The Sapphire microphone is a classroom microphone, and with its diminutive size, is hardly noticeable to wear. It can be worn with a lanyard or clipped directly to a neckline collar. The Sapphire has high level output, and is constructed to have stable connectivity and elicit exacting vocal definition. With a built-in breath filter, the Sapphire can function as a pass-around hand mic.
A unique Sapphire feature is that with a tap on the power button, the mic mutes for private conversation - tap again to restore to normal operation. Additionally, the auxiliary input allows wireless playback of your iPod through the Sapphire. The mic is built with a three-position slide switch for selecting low, medium, or high microphone volume levels.
For the IRF-2150 system, the ICS-55 comes standard as it was deemed the preferred infrared sensor by TeachLogic for optimum performance. This unit needs to be installed on the ceiling at least 3 feet from the video projector. It comes with a mounting/support bracket and 50 feet of plenum rated cable with an RCA connector on each end. The ideal location for the dome sensor would be in the center of the ceiling. This will provide a clear signal path for the IR transmission from the transmitter to the dome sensor without obstruction. In addition, you will have 360° coverage and will minimize the transmission distance for more reliable performance. It collects the infrared transmission signal via 6 large detecting diodes. The sensor is connected to the mixer/amplifier via a plenum rated cable terminated with RCA connectors. The mixer/amplifier supplies the power to the sensor.
The four included SP-628L's are full range compact coaxial ceiling speakers, providing low distortion and full range frequency response for articulate vocal clarity. The SP-628L is a complete loudspeaker assembly, with 12" frame, perforated steel grill, and integrated steel back can and attached "T" bar for finish edge. Quick installation with minimal tile cutting.
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If you own a TeachLogic assistive listening systems and have a user manual in electronic form,
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You can upload and download the manual for the TeachLogic The IRF-2150 LS-4 Forum 232 Sapphire IRF-2150/LS4 in the following formats:
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Additional parameters of the TeachLogic The IRF-2150 LS-4 Forum 232 Sapphire IRF-2150/LS4:
| Amplifier | Forum 232 / IMA 232 Amplifier / Receiver | | Receiver | Input : Infrared FM | | Modulation | FM Wide-Band | | Reception | Frequencies:
Channel A: 2.08 MHz
Channel B: 2.54 MHz | | Infrared | Wavelength:850 nm | | Tone Signal | Channel A:32.768 kHz | | De-Emphasis | 50 μs | | Frequency Response | 40 Hz , -18 kHz, ± 3 dB | | S/N Ratio | ›65 dB | | THD | ‹1% @1 kHz | | Nominal Deviation | ± 10 kHz | | Maximum Deviation | ± 25 kHz | | External Sensor | Input: Two, RCA | | Connectivity | Coverage: 2,500ft/² (232.26 m/²) | | Auxiliary Input | One DVD, Line Level, Dual RCA with +10 dB Gain Control
One Aux input with front and rear panel 3.5 mm | | Line Outputs | 2-3.5 mm with Gain Control,Front Panel | | Equalization | 3-Bands digital ±12 dB | | Output Power (RMS) | Two amplifiers, @18 watts ea. (RMS),36 Watts total (RMS) | | Output Impedance | 4 ohm minimum per channel | | Output Connection | One Phoenix connector | | Power Supply | 12 VDC / 2.8 A / 42 W CE,CSA and UL Listed | | Dimensions (W x H x D) | 8.5 x 1.75 x 7.5" (21.59 x 4.45 x 19.05 cm) | | Weight | 1.5 lb (0.68 kg) | | Microphone | Sapphire Infrared Transmitter IRT-55 | | Transmission | Carrier: Infrared | | Transmission Frequency | 2.08 MHz and 2.54 MHz | | Channel Switching | A or B : Field Switchable | | Transmitting Diodes | Six | | Modulation | FM Wide-Band | | Pilot Tone | Frequency : 32.768 KHz | | Peak Deviation | ± 25 KHz | | Operating Range | 1,500 Ft ² / 60' Line of Sight | | Battery Level Indicator |
Blue - Full
Purple - Medium
Red - Low | | Battery Type | Lithium-ion ( 3.7 V / 620 mAh) | | Battery Life | Approximately 8-9 Hours/Charge | | External Power | Charger : DC +5 V, Micro USB Connector | | Transmission Angle | 180° Conical | | User Controls | Power Switch (Push) - On/Off
Mute Switch (Push) - On/Off
Mic Switch (3 position) - + 6 db, Normal, - 3 db
Aux. Vol. / Gain - Increase, Decrease
Channel Select - (A or B) in battery compartment | | Auxiliary Input | External : 3.5 mm Stereo Line Level | | Dimensions (H x W x D) | 3.00 x 1.25 x .75" ((7.62 x 3.18 x 1.91 cm) | | Weight | 1.4 oz (39.69 g) with battery | | Sensor | ICS-55 | | Operating Frequencies | 2.3 mHz to 2.8 mHz | | IR Receiver | 6 large lens diodes | | Coverage | 360° | | Range | 40-50' (12.19-15.24 m) line of sight, 2500 ft/² (232.25 m/²) | | Mounting | Clip-on "T" bar bracket | | Connector | Female RCA | | Indicator Lights | Green LED for Power On | | Cable | 75 ohm
Dual-shielded
Plenum-rated | | Cable Length | 50' (15.24 m) | | Dimensions | 4.62 x 1.37" (11.73 x 3.47 cm) | | Weight | 0.46 lb (0.2 kg) | | Speakers | LS-4 Package (4 - SP-628L 2-Way Lay-in Ceiling Speakers) | | Frequency Range | 80 Hz to 15 kHz, ± 6dB | | Power | 30 Watts Continuous | | Sensitivity | 89 dB SPL (1W/1M) | | Impedance | 8 ohms | | Crossover Frequency | 6 kHz | | Nominal Coverage Angle | 90° x 90° | | LF Detail | Polymica / rubber | | Magnet | 10 oz | | HF Driver Size | High efficient 1"domed tweeter, neodymium | | Enclosure Material | Air Sealed Metal Backcan Infinite Baffle
White Powder Coated Finish | | Termination | Screw terminals for secure speaker wire connection | | Mounting | 1 x 2' Lay-in speaker assembly
Attached "T" Bar support | | Dimensions (H x W x D) | 12.25 x 23.75 x 6.25" (31.11 x 60.32 x 15.88 cm)
13" (33.02 cm) with "T" Bar support
5/8" (1.59 cm) panel thickness | |
The user manual for the TeachLogic The IRF-2150 LS-4 Forum 232 Sapphire IRF-2150/LS4 can be downloaded in .pdf
format if it did not come with your new assistive listening systems, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other TeachLogic users keep a unique electronic library
for TeachLogic assistive listening systemss,
where you can use our link to download the user manual for the TeachLogic The IRF-2150 LS-4 Forum 232 Sapphire IRF-2150/LS4.
The user manual lists all of the functions of the TeachLogic The IRF-2150 LS-4 Forum 232 Sapphire IRF-2150/LS4,
all the basic and advanced features and tells you how to use the assistive listening systems.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from TeachLogic service.
If you want to help expand our database, you can upload a link to this website
to download a user manual or service manual, ideally in .pdf format. These pages
are created by you – users of the TeachLogic The IRF-2150 LS-4 Forum 232 Sapphire IRF-2150/LS4. User manuals are also
available on the TeachLogic website under A/V Presentation - Assistive Listening - Assistive Listening Systems.
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