Bosch Security Systems B116 Users manual

Preliminary Users Manual, Telex FMR-500 System,
Electro-Voice RE-2 System.

Telex Model FMR-500 Wireless Microphone Receiver,
Electro-Voice RE-2 Receiver.
Telex Model WT-500 Wireless Beltpack Transmitter,
Electro-Voice BPU-2 Beltpack Transmitter.
Telex Model HT-500 Wireless Handheld Transmitter,
Electro-Voice HTU-2 Handheld Transmitter.

The components above form the Telex or Electro-Voice Wireless
Microphone System. Each system is designed to be used in Live Sound
Reinforcement applications where Sound Quality and Reliability are of
prime importance. Simplicity of operation is assured along with flexibility
for varying venues. Operating features and cosmetics are slightly different
Between Telex and Electro-Voice (Ev) models but are electrically identical.

Features:

Receiver….

• Phase Locked Frequencies for stable Operation.

• 950 Radio Channels, user programmable or factory installed.

• LCD Display for ease of viewing.

• Adjustable Line Level ¼ inch output jack.

• Fixed Microphone Level XLR output jack.

• Adjustable Microphone to Line Level XLR output level.

• Front Panel Power ON/OFF Switch.

• Input RF Filters cover 24 MHz Bandwidth (4 TV Channels).

• SAW Filter 1st I.F for out of band rejection.

• Triple ceramic filters in 2nd I.F for adjacent channel rejection.

• Front panel Voice/Guitar selection.

• Auto-selects voice/Guitar audio frequency characteristics.

• Permanent Memory for frequency/system storage.

• Front Panel Software Control of Squelch settings and channel

monitor.

• Double Squelch. Amplitude and Tone Squelch system prevents false

squelch opening.

• Auto-Select “Clear-Scan” of frequencies speeds set-up time.Telex

FMR-500/RE-2 System Page 2

Handheld Transmitter……

• 950 Radio Channels, user programmable or factory installed.

• Phase Locked Frequencies for Stable Operation.

• Efficient current drain vs. power system.

• Patented Internal Dipole antenna eliminates wires or “rubber duck”

antennas.

• Specially shaped Handle with “softpaint” for comfort and low

handling noise.

• 9 Volt Alkaline “rattle-proof” battery area.

• Low Profile Audio Mute and Power Switch.

• LCD Display for ease of viewing.

• On-board frequency program and menu switch.

• Permanent Memory for frequency/system storage.

• Transmit Tone for squelch control.

• Microphone Gain control for talent set-up.

• Low Battery Gauge.

Beltpack Transmitter…..

• 950 Radio Channels, user programmable or factory installed.

• Phase Locked Frequencies for Stable Operation.

• Efficient current drain vs. power system.

• Flexible wire rope replaceable antenna.

• Microphone/Instrument input connector for personal selection of

microphones/instruments.

• Small Case Footprint for ease of wear.

• Non detachable battery door with dual latches.

• 9 Volt Alkaline battery operation.

• Low Profile Power Switch.

• LCD Display for ease of viewing.

• On-board frequency program and menu switch.

• Permanent “Memory” for frequency/system storage.

• Transmit Tone for squelch control.

• Microphone Gain control for talent set-up.

• Low Battery Gauge.

FMR-500/RE-2 System Page 3

General System Specifications:

Operating Frequency Range……………..614-746 MHz,
in 24 MHz wide bands.
Frequency Stability……………………… 50 PPM. (18 PPM Euro).
Channels…………………………………950 (25 KHz steps).
RF Power Output…………………………30 mW conducted, 0.18W ERP.
Modulation Type…………………………FM, 40 KHz Deviation.
Audio Frequency Range………………….50-15000 Hz, +/- 2 db.
(50-15000 Hz instruments) (100-15000 Hz microphones).
(actual frequency response depends on capsules/instrument).
Audio Frequency Distortion………………0.5 % THD @ 1000 Hz typical.
Audio Frequency Dynamic Range………..100 db.
Audio Frequency Signal/Noise Ratio……..100 db.
Temperature Range………………………..-18 deg.C to 54 deg. C.

Receiver:

Sensitivity………………………………..1.0 uV for 12 db SINAD typical.
Image Rejection………………………….60 db typical.
Spurious Rejection……………………….60 db typical.
Selectivity………………………………..230 KHz at –6 db points.
Modulation Acceptance…………………..40 KHz nominal deviation.
Squelch Type……………………………..Tone with Amplitude Backup.
Squelch Adjustment Range……………….0 to 100 uV typical.
Squelch Quieting………………………….100 db typical.
Audio Output, Fixed mic level……………300 mV RMS/100K load typical.
(XLR Connector, balanced output)
Audio Output, line level…………………..775 mV RMS/100K load typical.
(Quarter Inch Connector, unbalanced output)
Audio Output, Adjustable, 10mV to 1.55 V RMS/100K load typical.
(XLR Connector, balanced output)
Audio Signal to Noise ratio………………..94 db A Weighted.
Audio Distortion (system)…………………0.5 % THD typical.
Audio Frequency Response, instruments…..50-15000 Hz, +/- 2 db (system).
Audio Frequency Response, microphones…100-15000 Hz, +/- 2 db (system).
(actual voice response depends on the microphone/instrument.)