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Praesideo 3.5 | Installation and User Instructions | ISO7240-16: 2007
Clause / Requirement
14 Design requirements
14.1 General requirements and manufacturer's
declarations
14.1.2 In order to assist the process of design inspection,
the manufacturer shall declare in writing that
a
the design has been carried out in accordance with a
quality management system that incorporates a set of
rules for the design of all elements of the s.s.c.i.e.
[e.g. ISO 9001].
14.8.6 Mandatory indications on an alphanumeric display
shall be legible for the lesser of 1 h or the duration of the
standby power source, following the display of a new
indication of a functional condition, at 0,8 m distance in
ambient light intensities from 5 lx to 500 lx and at any angle
from the normal to the plane of the display up to
•
22,5° when viewed from each side;
•
15° when viewed from above and below.
Following the lesser of 1 h or the duration of the standby
power source, the indications shall be legible at 100 lx to
500 lx at the above distance and angles. It shall be possible
to re-establish the legibility at 5 lx to 100 lx by means of a
manual operation at access level 1.
14.10 Audible indication
14.10.2 The minimum sound level, measured under
anechoic conditions, at a distance of 1 m with any access
door on the s.s.c.i.e. closed, shall be either
•
60 dBA for voice-alarm indications and 50 dBA for
fault-warning indications, or
•
85 dBA for voice-alarm indications and 70 dBA
for fault-warning indications.
NOTE The allowance for two sets of audible indications
contemplates some s.s.c.i.e. being installed in normally
occupied areas (such as a security room). The selection of
an appropriate sound level can be controlled by national
requirements.
14.12.3 Frequency response of s.s.c.i.e.
Bosch Security Systems | 2011-02
Compliance
The Bosch Security Systems development department
responsible for development / maintenance of the
Praesideo system works according its own development
process, Standard Development Process or SDP, which is
created using the CMMI model. The SDP implements all
process areas at maturity level 2 of the CMMI model, and
some process areas at maturity level 3 of the CMMI model.
Rules for the design of all elements of the Praesideo
system can be found in the SDP repository. In the SDP
repository all process descriptions, process
implementation documents, templates, guidelines, etc. of
the development processes can be found.
The SDP repository is a version control system.
Bosch Security Systems is ISO9001 certified.
If the Praesideo system enters the voice alarm condition the
display of the network controller will automatically show the
'Emergency' menu. This indication stays on as long as the
system is in the voice alarm condition (i.e. until the voice
alarm condition is reset).
If the Praesideo system enters the fault warning condition
the display of the network controller will automatically show
the 'Faults' menu with the current number of active faults.
This indication stays on until either the rotary knob of the
network controller is used to navigate through the menu, or
the system enters the voice alarm condition. The 'Faults'
menu will always be present in the Network Controller
menu. Individual faults are present in this 'Faults' menu until
they are reset or until they are overwritten by newer faults
The menu can show up to 200 individual faults after which
the oldest faults are deleted when new faults occur.
The display of the Network Controller complies with the
legibility demands of this clause.
The installer must connect the buzzer that is provided with
Praesideo and complies with the sound levels according to
the first option, or use a different buzzer with sound levels
according to the second option. The selection depends on
the background noise on the location where Praesideo is
installed or by national requirements.
The frequency response requirements of ISO7240-16,
clause 14. 1 2.3 are less stringent than required by EN54-16,
clause 13.12.3.
The Praesideo sound paths are within the specified limits of
this clause.
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