ETSI ETS 300 280 ed.1 (1994-02)

SLOVENSKI STANDARD
SIST ETS 300 280 E1:2003
01-december-2003
Terminalska oprema (TE) – Oprema za faksimilno skupino 4, razred 1, na
digitalnem omrežju z integriranimi storitvami (ISDN) – Preskušanje terminalov
Terminal Equipment (TE); Facsimile group 4 class 1 equipment on the Integrated
Services Digital Network (ISDN) Terminal testing
Ta slovenski standard je istoveten z: ETS 300 280 Edition 1
ICS:
33.050.30 Oprema za teleks, teletekst, Equipment for telex, teletext,
telefaks telefax
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
35.180 Terminalska in druga IT Terminal and other
periferna oprema IT peripheral equipment
SIST ETS 300 280 E1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 280 E1:2003

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SIST ETS 300 280 E1:2003

EUROPEAN ETS 300 280
TELECOMMUNICATION February 1994
STANDARD
Source: ETSI TC-TE Reference: T/TE 05-10
ICS: 33.080
Facsimile, Group 4, ISDN
Key words:
Terminal Equipment (TE);
Facsimile group 4 class 1 equipment
on the Integrated Services Digital Network (ISDN)
Terminal testing
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
F-06921 Sophia Antipolis CEDEX - FRANCE
Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
c=fr, a=atlas, p=etsi, s=secretariat - secretariat@etsi.fr
X.400: Internet:
Tel.: +33 92 94 42 00 - Fax: +33 93 65 47 16
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1994. All rights reserved.
New presentation - see History box

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ETS 300 280: February 1994
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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ETS 300 280: February 1994
Contents
Foreword.5
1 Scope .7
2 Normative references .7
3 Definitions and abbrevations.8
3.1 Definitions.8
3.2 Abbreviations.8
4 Test for the coding algorithm of Group 4 facsimile .8
4.1 Introduction.8
4.2 Test R1.8
5 Tests for printing functions of Group 4 facsimile.9
5.1 Introduction.9
5.2 Set of tests.9
6 Scanning tests .11
7 Miscellaneous tests .14
7.1 Automatic answering . 14
7.2 User selected printing of Call Identification Line at the top of or below guaranteed
reproducible area.14
7.3 Call Identification Line format according to CCITT Recommendations F.184/F.200.14
7.4 Maximum receiving time.14
7.5 Ability to restore operability after a power failure.14
7.6 Date and Time.14
7.7 Activity Log (if provided) .14
8 Testing conditions.14
8.1 Environment for tests. 15
8.2 Power supply limitations .15
Annex A (normative): Definition of test chart T6test .16
A.1 T6test at 200 lpi on A4 paper.16
A.2 T6test at 300 ipi on A4 paper.18
A.3 T6test at 400 ipi on A4 paper.19
Annex B (normative): Definition of Test Chart PFTEST .23
B.1 Overall description of Test Chart PFTEST.23
B.2 Formal Description of Test Chart PFTEST .30
Annex C (informative): Explanation of the Guaranteed Reception Area .36
Annex D (normative): Protocol Implementation Conformance Statement (PICS) for Terminal Testing
of ISDN facsimile Group 4 class 1 Equipment, B-channels part, using ISDN
basic access and circuit-switched mode (DTE-DTE communication) .41

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ETS 300 280: February 1994
D.1 Introduction.41
D.2 References.41
D.3 PICS proforma contents and structure .41
D.4 Pre-printed table contents .41
D.5 Table/item identification.43
D.6 Filling in guidance .43
Annex E (informative): Bibliography.46
History .47

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ETS 300 280: February 1994
Foreword
This European Telecommunication Standard (ETS) has been produced by the Terminal Equipment (TE)
Technical Committee of the European Telecommunications Standards Institute (ETSI).
This ETS is based upon a number of CCITT Recommendations and is closely related to 4 other ETSs.
Details of these documents are highlighted in Clauses 1 (Scope) and 2 (Normative references) of this ETS.

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Blank page

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ETS 300 280: February 1994
1 Scope
This ETS contains the details of the Terminal tests for equipment offering group 4, class 1 facsimile
functionality.
This ETS is closely related to 4 other ETSs on group 4 class 1 facsimile equipment:
ETS 300 080 [1] "Integrated Services Digital Network (ISDN); ISDN lower layer protocols for
telematic terminals".
ETS 300 087 [2] "Integrated Services Digital Network (ISDN); Facsimile group 4 class 1
equipment on the ISDN; Functional specification of the equipment".
ETS 300 112 [3] "Integrated Services Digital Network (ISDN); Facsimile group 4 class 1
equipment on the ISDN; End-to-end protocols".
prETS 300 155 [4] "Integrated Services Digital Network (ISDN); Facsimile group 4 class 1
equipment on the ISDN; End-to-end protocols tests".
2 Normative references
This ETS incorporates by dated or undated reference, provisions from other publications. These normative
references are cited at the appropriate places in the text and the publications are listed hereafter. For
dated references, subsequent amendments to or revisions of any of these publications apply to this ETS
only when incorporated in it by amendment or revision. For these undated references the latest edition of
the publication referred to applies.
[1] ETS 300 080: "Integrated Services Digital Network (ISDN); ISDN lower layer
protocols for telematic terminals".
[2] ETS 300 087: "Integrated Services Digital Network (ISDN); Facsimile group 4
class 1 equipment on the ISDN; Functional specification of the equipment".
[3] ETS 300 112: "Integrated Services Digital Network (ISDN); Facsimile group 4
class 1 equipment on the ISDN; End to end protocols".
[4] prETS 300 155: "Integrated Services Digital Network (ISDN); Facsimile group 4
class 1 equipment on the ISDN; End to end protocols tests".
[5] CCITT Recommendation T.6 (1988): "Facsimile coding schemes and coding
control functions for group 4 facsimile apparatus".
[6] CCITT Recommendation T.563 (1991): "Terminal characteristics for group 4
facsimile apparatus".
[7] CCITT Recommendation T.521 (1992): "Communication application profile BT0
for document bulk transfer based on the session service (according to the rules
in T.62 bis)".
[8] CCITT Recommendation T.503 (1991): "A document application profile for the
interchange of group 4 facsimile documents".
[9] CCITT Recommendation T.21 (1988): "Standardized test charts for document
facsimile transmissions".
[10] CCITT Recommendation F.184 (1988): "Operational provisions for the
international public facsimile service between subscriber stations with group 4
facsimile machines (telefax 4)".
[11] CCITT Recommendation F.200 (1988): "Teletex service".

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[12] CCITT Recommendation T.433 (1992): "Document transfer and manipulation
(DTAM) - Services and protocols - Protocol specification".
3 Definitions and abbrevations
3.1 Definitions
For the purposes of this ETS, the definitions given in the relevant CCITT series of Recommendations shall
apply.
3.2 Abbreviations
For the purposes of this ETS, the following abbreviations apply.
CIL Call Identification Line
ETS European Telecommunication Standard
ETSI European Telecommunications Standards Institute
ISDN Integrated Services Digital Network
PEL Picture Element
PICS Protocol Implementation Conformance Statement
PIXIT Protocol Implementation eXtra Information for Testing
SUT System Under Test
4 Test for the coding algorithm of Group 4 facsimile
4.1 Introduction
The coding algorithm for Group 4 facsimile is defined in CCITT Recommendation T.6 [5] and is tested as
stated below.
The receiving capability of an equipment is tested using an electronic test chart, defined in Annex A and
called T6Test, and with the test procedure defined in Test Number R1.
The transmission capability of an equipment is tested by the scanning tests defined in Clause 6.
4.2 Test R1
This test requires the following configuration:
- SUT receiving;
- tester transmitting.

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Table 1: Test for reception
o
Test N Description Reference
R1 Tester sends chart T6TEST.
Check that SUT displays received image which shall have:
- areas 1, 2, 3 and 4 with monotonic boundary
 between the white and black parts of the image;
- areas 5, 6, 7 and 8 correctly represented.
5 Tests for printing functions of Group 4 facsimile
5.1 Introduction
Printing functions of Group 4 facsimile shall be tested according to the set of tests reported in this Clause.
Tests are based on an appropriate test chart whose definition is given in Annex B.
5.2 Set of tests
Printer functions that shall be tested have mainly been derived from the CCITT Recommendation T.563 [6].
They are:
- correct image representation: the left side of the copy has to correspond to the left side of the
original, and the top side of the copy has to correspond to the top side of the original;
- correct page orientation (vertical);
- guaranteed reception area (for ISO A4 paper format);
- reception resolution;
- correct paper positioning (centred);
- printing capabilities: number of pels/line, scan line length, nominal number of scan lines/page,
blanking margin handling.
Test sequences are reported in table 2.
This set of tests requires the following configuration:
- SUT receiving;
- tester transmitting.

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Table 2: Test sequences
TestDescription Reference
No.
R2 Test for correct representation of image and
correct orientation of page.
Tester sends chart PFTEST.
Check that:
 - it is represented with the correct
  orientation.
R3 Test for printing resolution.
Tester sends chart PFTEST.
Check that:
- area 1 is between 188,1 and 191,9 mm;
- area 2 is between 237,6 and 242,4 mm.
R4 Test for paper positioning.
Tester sends chart PFTEST.
Check that:
- area 2 includes the imaginary vertical line located
  in the centre of the page
  (105 mm from the left or right border).
R5 Test for printing capability.
Tester sends chart PFTEST.
Check that:
- areas 3 , 4 , 5 , 6 , 7 , 8 are
  represented and separated correctly.
R6 Test for guaranteed reception area.
Tester sends chart PFTEST.
Check that:
- area 9 is represented with at least 2 pixels width on
 each side of the page i.e. pels 78 to 1 151 inclusive
 (for 200 ppi resolution);
- at least portions of areas 10, 11, 12, 13 enclosed
 in area 9 are represented correctly;
- if Call Identification Line (CIL) is not
 printed at the top, then top side of area 9 is
 completely represented, and at least 4 steps of area
 10 outside area 9 are represented i.e. lines 33 to
 2 276 inclusive (for 200 ppi resolution);
- if CIL is not printed at bottom, then bottom side of
  area 9 is completely represented, and at least
  4 steps of area 11 outside area 9 are represented;
  i.e. lines 66 to 2 309 inclusive (for 200 ppi
 resolution).

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6 Scanning tests
Table 3: Requirements for the scanner of the facsimile equipment based on test chart n° 3 of
CCITT Recommendation T.21 [9]
TestDescription Reference
No.
T1 Test for basic scanned line length is 219,46 mm + 1 %.
°
SUT scans and transmits chart n 3 of CCITT
Recommendation T.21 [9] as purchased from CCITT.
Verify that:
- the length of the horizontal scales 3,21 on the top
  or the bottom of the page is represented by
  1 481 to 1 511 pixels when decoded (for 200 ppi
 resolution);
- the image reconstructed is similar to the test chart.
T2 Test for scanning density.
°
SUT scans and transmits chart n 3 of CCITT
Recommendation T.21 [9] as purchased from CCITT.
Verify that:
- the length of the vertical scales 3,21
  on the left or the right of the page is
  represented by 2 026 to 2 068 pels (for 200 ppi
 resolution).
T3 Test for position of the document.
°
SUT scans and transmits chart n 3 of CCITT
Recommendation T.21 [9] as purchased from CCITT.
Verify that:
- the top edge of the reproduced document
 corresponds to one of the first 4 mm of
 the test chart (Area 3.22 gives an easy
 reference).

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Table 4: Interpretation of zones of test chart n° 3
Interpretation of zones on original chart Requirement on transmitted document
Zone 3.3 Zone 3.3
Black band covering the entire page width. This zone shall be reproduced with a
Permits adjustment of characteristic "black" homogeneous black colour.
signals through the entire sequence of the
electronic devices.
Zone 3.4 - 3.5 Zone 3.4 - 3.5
Isolated black and white lines, variable Black lines: at least the line with a
thickness, 2 complementary bands. thickness greater than 100 microns shall be
reproduced.
Using this group, it is possible to define the limits The whole black colour shall be obtained
of resolution for isolated black and white lines. for lines with thickness greater than 250
microns.
White lines: it shall be possible to
Line thickness are indicated in microns. recognise the lines with a thickness
greater than 200 microns.
The lines shall be completely white for
thickness greater than 350 microns.
Zone 3.9 Zone 3.9
Alternating lines, 4 lines per mm (black and white
line thickness 250 microns). The black lines on the received copy shall be
separated.
Permits verification of standardized facsimile
machine definition.
Zone 3.10 Zone 3.10
Alternating lines, 2 lines per mm (black and The black lines on the received copy shall white
line thickness 500 mm). be clearly separated.
This scale represents the minimum permittable
definition for a facsimile machine.
(continued)

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Table 4: Interpretation of zones of test chart n° 3 (concluded)
Interpretation of zones on original chart Requirement on transmitted document
Zone 3.11 Zone 3.11
Vertical and horizontal bundles (converging The 15 black lines on vertical bundles shall
patterns). be distinguished from thickness of 300
microns.
This group of 3 bundles of converging lines The horizontal bundle is not considered.
permits quantization of the limits of
horizontal and vertical definitions.
The numbers shown along the bundles indicate
the thickness of black and white lines
in microns.
Zone 3.13 Zone 3.13
Black lines, thickness 250 microns, Black lines shall be reproduced.
spaced 750 microns.
Zone 3.14 Zone 3.14
Black lines, thickness 250 microns, They shall be reproduced.
spaced 1 000 microns.
The two scales of 3.13 and 3.14 simulate
character downstrokes.
Zone 3.1 Zone 3.1
Band of alternating black and white lines, This zone shall be reproduced.
thickness 5 mm.
Permits measurement of scanning distortion
and adjustment of the black and white levels.
Zone 3.2 Zone 3.2
2 density level bands in complementary order. The grey gradation (level between 0,2 and
These scales permit measurement of the 1,2) may be represented with black colour.
scanners analogue response curves and Levels 0,8; 1; 1,2 shall not be represented
definition of the white/black decision with white colour.
threshold level in digital transmission devices.
The two bands, covering nearly the width of the
page, are reversed for verification of the
uniformity of the scanners response over the
entire length of the horizontal line.
The densities, varying between 0,2 and 1,5, are
indicated in the margin of each of the bands.

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7 Miscellaneous tests
7.1 Automatic answering
Test by inspection.
7.2 User selected printing of Call Identification Line at the top of or below guaranteed
reproducible area
Test by inspection.
7.3 Call Identification Line format according to CCITT Recommendations F.184/F.200
Receiving: test by inspection on received copy.
Transmitting: see test MG1 in prETS 300 155 [4].
7.4 Maximum receiving time
The tester sends an electronic synthesized "Slerexe letter" at 200 pels/25,4 mm.
Test that the transfer time, as measured from having received CONNECT-message to having received
DISCONNECT message at the receiving side, shall not be greater than 30 seconds.
7.5 Ability to restore operability after a power failure
Test by inspection after a power failure of 5 minutes.
7.6 Date and Time
The SUT initiates the call:
a) Date and Time is not provided in D-channel (by the Network/Tester).
Test that the SUT provides Date and Time information.
b) Date and Time is provided in D-channel (by the Network/Tester).
Test that the SUT uses Date and Time information provided by the Network/Tester.
7.7 Activity Log (if provided)
a) Content of information in chronologic order.
Test by inspection.
b) Bufferisation.
Test by inspection after 5 minutes power breakdown.

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8 Testing conditions
8.1 Environment for tests
All tests shall be performed at:
a) an ambient temperature in the range 15°C to 35°C;
b) a relative humidity in the range 25 % to 75 %;
c) an air pressure in range 86 kPa to 106 kPa;
with the exception that tests shall not be performed outside the operating limits for the Group 4 class 1
facsimile equipment as stated by the applicant.
8.2 Power supply limitations
For Group 4 class 1 facsimile equipments that are directly powered from the main supply, all tests shall be
carried out within ± 5 % of the normal operating voltage as declared by the applicant. If the power supply
is ac, the tests shall be conducted within ± 4 % of the stated frequency as declared by the applicant.
If Group 4 class 1 facsimile equipments are powered by other means and those means are not supplied as
part of the facsimile equipment (e.g. batteries, stabilised ac supplies, dc, etc.), all aspects-3-tests shall
be carried out within the power supply limit declared by the applicant.

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Annex A (normative): Definition of test chart T6test
The test chart is composed of:
- areas 1, 2, 3 and 4: 4 triangles composed of some blank lines and of 432 test lines used to test
"Horizontal Mode";
- areas 5, 6, 7 and 8: 4 strips composed of several lines used to test "Pass Mode", "Vertical Mode"
and short run lengths of "Horizontal Mode".
The formal description of the test chart is given below. An idea of the test chart T6test is given in figure
A.1 (areas 1, 2, 3 and 4) and figure A.2 (areas 5, 6, 7 and 8).
NOTE: B = Black pixel;
W = White pixel.
A.1 T6test at 200 lpi on A4 paper
Table A.1
�˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜¿
‡ Lines      ‡  Description           ‡  Notes  ‡
ˆ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜·
‡Top margin     ‡                   ‡      ‡
‡          ‡                   ‡      ‡
‡ 1 - 65      ‡ 1 728W (all white lines)      ‡      ‡
‡          ‡                   ‡      ‡
ˆ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜·
‡Areas 1,2,3,4   ‡                   ‡From line ‡
‡"Horizontal mode" ‡                   ‡66 to 1 865‡
‡          ‡                   ‡      ‡
‡ 65+(TR-1)*450+J  ‡ 1 728W               ‡TR (number ‡
‡          ‡                   ‡of the   ‡
‡          ‡                   ‡triangle) ‡
‡ 65+(TR-1)*450+18+I‡ [(TR-1)+(I-1)*4]W +         ‡= 1-4   ‡
‡          ‡ [1728-(TR-1)-(I-1)*4]B       ‡J = 1-18 ‡
‡          ‡                   ‡I = 1-432 ‡
ˆ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜·
‡Area 5       ‡                   ‡      ‡
‡"Horizontal mode", ‡                   ‡      ‡
‡short run lengths ‡                   ‡      ‡
‡          ‡                   ‡      ‡
‡ 1 866 - 1 883   ‡ 1 728W               ‡      ‡
‡          ‡                   ‡      ‡
‡ 1 883 + I     ‡ 144W+                ‡From line ‡
‡          ‡ [160-((I-1)*4+1)]B + [(I-1)*4+1]W + ‡ 1 884 to ‡
‡          ‡ [160-((I-1)*4+2)]B + [(I-1)*4+2]W + ‡ 1 923   ‡
‡          ‡ [160-((I-1)*4+3)]B + [(I-1)*4+3]W + ‡      ‡
‡          ‡ [160-((I-1)*4+4)]B + [(I-1)*4+4]W + ‡      ‡
‡          ‡ 160B+                ‡ I = 1-40 ‡
‡          ‡ [(I-1)*4+4]W + [160-((I-1)*4+4)]B + ‡      ‡
‡          ‡ [(I-1)*4+3]W + [160-((I-1)*4+3)]B + ‡      ‡
‡          ‡ [(I-1)*4+2]W + [160-((I-1)*4+2)]B + ‡      ‡
‡          ‡ [(I-1)*4+1]W + [160-((I-1)*4+1)]B + ‡      ‡
‡          ‡ 144W                ‡      ‡
ˆ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜·
‡ Area 6      ‡ "Vertical mode 1"          ‡      ‡
‡          ‡                   ‡      ‡
‡ 1 924 - 1 941   ‡ 1 728W (all white lines)      ‡      ‡
‡          ‡                   ‡      ‡
‡ 1 941 + I     ‡ 84W+                ‡ From line ‡
‡          ‡ two cycles of pattern        ‡ 1 942 to ‡
‡          ‡ {30B+(I-1)W+[60-(I-1)]B+      ‡ 2 001   ‡
‡          ‡ [(I-1)*2]W+[120-(I-1)*2]B+     ‡      ‡
‡          ‡ [(I-1)*3]W+[180-(I-1)*3]B+     ‡ I=1-60  ‡
‡          ‡ [180-(I-1)*3]B+[(I-1)*3]W+     ‡      ‡
‡          ‡ [120-(I-1)*2]B+[(I-1)*2]W+     ‡      ‡
‡          ‡ [60-(I-1)]B+[(I-1)]W+30B}      ‡      ‡
‡          ‡ +84W                ‡      ‡
(continued)

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Table A.1 (concluded)
�˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¿
‡ Lines      ‡  Description        ‡     Notes  ‡
ˆ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜·
‡ Area 7      ‡"Vertical mode 2"       ‡         ‡
‡          ‡                ‡         ‡
‡ 2 002 - 2 019   ‡17 28W             ‡         ‡
‡          ‡                ‡         ‡
‡ 2 019 + I     ‡84W+              ‡ From line    ‡
‡          ‡two cycles of pattern     ‡ 2 020 to    ‡
‡          ‡{30W+(I-1)B+[60-(I-1)]W+    ‡ 2 079      ‡
‡          ‡[(I-1)*2]B+[120-(I-1)*2]W+   ‡         ‡
‡          ‡[(I-1)*3]B+[180-(I-1)*3]W+   ‡ I = 1 - 60   ‡
‡          ‡[180-(I-1)*3]W+[(I-1)*3]B+   ‡         ‡
‡          ‡[120-(I-1)*2]W+[(I-1)*2]B+   ‡         ‡
‡          ‡[60-(I-1)]W+(I-1)B+60W}+    ‡         ‡
‡          ‡84W              ‡         ‡
ˆ˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜·
‡ Area 8      ‡"Pass mode"          ‡         ‡
‡          ‡                ‡         ‡
‡ 2 080 - 2 097   ‡1 728W             ‡         ‡
‡          ‡                ‡         ‡
‡ 2 098 - 2 132   ‡114W + three repetitions of  ‡         ‡
‡          ‡{100B+100W+100B+100W+100B}+114W‡         ‡
‡          ‡                ‡         ‡
‡ 2 133 - 2 167   ‡114W + three repetitions of  ‡         ‡
‡          ‡{100B+300W+100B}+114W     ‡         ‡
‡          ‡                ‡         ‡
‡ 2 168 - 2 202   ‡114W + three repetitions of  ‡         ‡
‡          ‡{50W+100B+200W+100B+50W}+114W ‡         ‡
‡          ‡                ‡         ‡
‡ 2 203 - 2 237   ‡114W + three repetitions of  ‡         ‡
‡          ‡{50W+400B+50W}+114W      ‡         ‡
‡          ‡                ‡         ‡
‡ 2 238 - 2 276   ‡1 728W             ‡         ‡
ˆ˜˜˜˜˜˜˜˜˜˜˜˜˜
...