Praesideo 3.5 Installation and User Instructions EN54-16: 2008

en 52

Clause / Requirement

Compliance

Signature

13.11 Indicator testing

Praesideo is compliant.

 

All mandatory visible and audible indicators shall be

Praesideo provides an ‘Indicator test’ action that can be

 

testable by a manual operation at access level 1 or 2.

configured for a key on a call station keypad or keypad kit.

 

 

When activated all indications on that call station and all its

 

 

connected keypads are switched on to visually check the

 

 

indicators. Bi-color indicators alternate between both

 

 

colors. The call station monitor loudspeaker will sound a

 

 

single tone chime with priority 223. If a numeric keypad is

 

 

connected to the call station, its LCD shows an alternating

 

 

test pattern to visually check all pixels.

 

 

The installer must take care that indicators that are

 

 

connected to control output contacts are testable.

 

13.12 Audio performance

Praesideo is compliant.

 

13.12.1 Output power

 

 

The VACIE output power shall be as declared by the

The output power of the amplifier elements of the

 

manufacturer.

Praesideo system (Power Amplifiers, Basic Amplifiers) are

 

 

specified in the data sheets and in the IUI.

 

13.12.2 Signal-to-noise ratio

 

 

The VACIE shall have an A-weighted signal-to-noise ratio of

The A-weighted signal-to-noise ratio of the Praesideo

 

at least 45 dB (see IEC 60268-1).

amplifiers (Power Amplifiers and Basic Amplifiers) is

 

 

specified in the data sheets and in the IUI. The signal-to-

 

 

noise ratio is above 85 dB. The complete signal chain from

 

 

microphone to loudspeaker is compliant to this clause.

 

13.12.3 Frequency response

 

 

The frequency response of the VACIE shall fit within the

 

 

non-shaded area in Figure 1 for sound sources without

 

 

microphone(s) (e.g. message store) and Figure 2 for sound

 

 

sources with microphone(s).

 

 

Bosch Security Systems 2011-02

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Bosch Appliances 3.5 manual Sources with microphones
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