Instructions for Use
Page 9
INSTRUCTIONS FOR USE SI 30 9
INSTRUCTIONS FOR USE SI 30 9
Instructions for Use
Page 10
...indicator, green LED 11 infra-red diodes BRIEF DESCRIPTION Infra-red two-channel modulator used in conjunction with Sennheiser infra-red receivers to set up a cordless sound transmission system. • SI 30 infra-red two-channel modulators have sufficient IR capacity to cover rooms of up to 80 m2 (mono...) or 40 m2 (stereo). • SI 30 infra-red two-channel modulators are an integral part of Sennheiser´s modular design concepts which allow added flexibility in the setting up of cordless sound transmission systems. A list ...
...indicator, green LED 11 infra-red diodes BRIEF DESCRIPTION Infra-red two-channel modulator used in conjunction with Sennheiser infra-red receivers to set up a cordless sound transmission system. • SI 30 infra-red two-channel modulators have sufficient IR capacity to cover rooms of up to 80 m2 (mono...) or 40 m2 (stereo). • SI 30 infra-red two-channel modulators are an integral part of Sennheiser´s modular design concepts which allow added flexibility in the setting up of cordless sound transmission systems. A list ...
Instructions for Use
Page 11
...direction of infra-red radiators INSTALLATION • Position the modulator as high as possible (eye-level). Plug the cable into power supply socket (S) on the SI 30 modulator (please see list of available accessories). 11 Please contact your nearest dealer if your sound source has no 3.5 mm or 6.3 mm socket. RF ... point at the receivers. • Do not cover the diodes! AF CONNECTION Use the AF connection cable to connect the AF input (N) on the SI 30 to the mains. MAINS CONNECTION Connect the NT 20 plug-in mains unit to the headphone socket of the light between the modulator and the...
...direction of infra-red radiators INSTALLATION • Position the modulator as high as possible (eye-level). Plug the cable into power supply socket (S) on the SI 30 modulator (please see list of available accessories). 11 Please contact your nearest dealer if your sound source has no 3.5 mm or 6.3 mm socket. RF ... point at the receivers. • Do not cover the diodes! AF CONNECTION Use the AF connection cable to connect the AF input (N) on the SI 30 to the mains. MAINS CONNECTION Connect the NT 20 plug-in mains unit to the headphone socket of the light between the modulator and the...
Instructions for Use
Page 12
... the tip of a PA system) cannot be regulated, it usually delivers a signal voltage which is sufficient to mono sockets During mono operation the SI 30´s IR capacity is used (see diagram): Stereo or two-channel mode Mono Channel 1 (2.3 MHz) Mono Channel 2 (2.8 MHz) ∞... I II ∞ I II ∞ I II R L Connection to stereo sockets L Connection to mono sockets L Connection to operate the SI 30 modulator. Please refer to select the infra-red carrier frequency. MODE SELECTION SWITCH CHANNEL 1, 2, STEREO/SELECTION OF THE CARRIER FREQUENCY The mode selection switch ...
... the tip of a PA system) cannot be regulated, it usually delivers a signal voltage which is sufficient to mono sockets During mono operation the SI 30´s IR capacity is used (see diagram): Stereo or two-channel mode Mono Channel 1 (2.3 MHz) Mono Channel 2 (2.8 MHz) ∞... I II ∞ I II ∞ I II R L Connection to stereo sockets L Connection to mono sockets L Connection to operate the SI 30 modulator. Please refer to select the infra-red carrier frequency. MODE SELECTION SWITCH CHANNEL 1, 2, STEREO/SELECTION OF THE CARRIER FREQUENCY The mode selection switch ...
Instructions for Use
Page 13
...plug-in conjunction with 3.5 mm mono jack plug • 1 3.5 mm/1/4" jack adaptor ACCESSORIES (to be ordered separately) • Please see list of the SI 30 indicates that the modulator is switched on your sound source (please see paragraph "Adjustments on (L 1 lights up). The green LED at the front of available... • 1 NT 20 plug-in mains unit (120 V, 230 V or 240 V) for powering the SI 30 or for powering the SI 30 in mains unit have no audio signal for about 3 to use the SI 30 for operation. When an audio signal reaches the modulator, it is ready for some time. In this...
...plug-in conjunction with 3.5 mm mono jack plug • 1 3.5 mm/1/4" jack adaptor ACCESSORIES (to be ordered separately) • Please see list of the SI 30 indicates that the modulator is switched on your sound source (please see paragraph "Adjustments on (L 1 lights up). The green LED at the front of available... • 1 NT 20 plug-in mains unit (120 V, 230 V or 240 V) for powering the SI 30 or for powering the SI 30 in mains unit have no audio signal for about 3 to use the SI 30 for operation. When an audio signal reaches the modulator, it is ready for some time. In this...
Instructions for Use
Page 14
...; stereo channel 1+2 Modulation FM Carrier frequencies channel 1: 2.3 MHz channel 2: 2.8 MHz Nominal deviation ± 50 kHz Emitting diodes 11 Pre-emphasis 50 µs Audio frequency response 30 - 18,000 Hz THD (1 kHz and nominal deviation) ≤ 1 % Signal-to-noise ratio ≥ 74 dBArms ≥ 63 dB as per CCIR 468 Volume control...
...; stereo channel 1+2 Modulation FM Carrier frequencies channel 1: 2.3 MHz channel 2: 2.8 MHz Nominal deviation ± 50 kHz Emitting diodes 11 Pre-emphasis 50 µs Audio frequency response 30 - 18,000 Hz THD (1 kHz and nominal deviation) ≤ 1 % Signal-to-noise ratio ≥ 74 dBArms ≥ 63 dB as per CCIR 468 Volume control...