Содержание S4.5 Series

Страница 1: ...evans Limited secure online store at www DeafEquipment co uk DeafEquipment co uk Solutions to improve the quality of life S So ol lu ut ti io on ns s t to o i im mp pr ro ov ve e t th he e q qu ua al li it ty y o of f l li if fe e Connevans ...

Страница 2: ... BBM Electronics Group Ltd 2000 OPERATING INSTRUCTIONS S4 5 SERIES ...

Страница 3: ...y the transmitter and receiver must be on the same channel If you are using more than one system simultaneously choose a set of intermodulation free frequencies Note that although your system may be capable of operating on channels other than the license exempt ones it is illegal to do this in the UK without first obtaining a license It is wise to avoid placing the receiver near to computer or mob...

Страница 4: ...potential trouble areas where the signal from the transmitter reduces in strength very rapidly due to natural wave phenomena To view a large VU meter press the AF button Pressing either button will return you to the normal display The VU meter indicates the audio level from the transmitter It is most useful when optimising the system s gain as described later The three LEDs indicate which antenna ...

Страница 5: ...R output then you must adjust the gain on your mixer or PA system as the output level is fixed S4 5 Handheld Transmitters Setting Up Screw the external helical antenna into the antenna connector on the base of the microphone For maximum range and performance it is important not to place your hand around this antenna whilst the microphone is in operation Turn the microphone s collar round to the le...

Страница 6: ...d Note that the LED will extinguish when the battery needs replacing The LCD will also display the current channel Changing the Transmitting Channel Slide down the side of the beltpack to reveal two small push button switches and a gain control Whilst the beltpack is switched on press and hold the switch nearest to the base of the beltpack until FrEq is displayed on the LCD Releasing the switch at...

Страница 7: ... Channel 70 UK others available on request Channel Capability 4 Channels Power Output typically 30mW 24MHz 1dB Antenna 1 4 wave whip Nominal Deviation typically 22KHz UK Stability 7KHz 10 to 45 C Audio Frequency Response 70Hz 18KHz 3dB Audio Input Lemo FGG304 pin1 0V pin2 DC bias 9V pin3 audio dc bias pin4 Ac coupled audio Audio Level 3dBu to 30dBu via adjustable gain control Input Impedance nomin...

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