Instruction/ maintenance manual of the product 12 Navman
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1 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
2 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Contents Feature s ..........................................................................
3 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. 3.5 .2. 1 3 Messag e 1 3 03 (r estar t comm and). ...........................................
4 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. 4.5 .2.2 Par allel ac quisiti on ............................................................
5 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
6 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. 1 .0 Introduc tion This document p rovides t echnic al information comm on to th e entir e Navman Jupiter series.
7 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. pre -amp lifier (optio nal ) Jup iter GPS r eceiver power supply DG PS (optio nal ) OEM applic ation proc esso r display keypad power/ communi cation s inter face GPS ante nna 2.
8 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
9 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
10 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
1 1 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
12 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
13 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
14 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. 3.5 Jupiter binar y data messag es This secti on describes the binar y data messages of the Jupiter GPS rec eiv er .
15 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
16 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 0 02 Rate: Variable; d efaults to 1 Hz Mes sage Lengt h: 5 1 words Word N o.
17 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 0 03 Rate: Variable; d efault on update Mes sage Lengt h: 5 1 words Word N o.
18 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
19 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
20 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
21 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
22 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
23 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
24 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
25 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
26 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
27 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
28 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
29 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 1 35 Rate: vari able; default on u pdate Mes sage leng th: 10 words Word N o.
30 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
31 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
32 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
33 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 20 0 Rate: as requi red - max imum rate is 1 Hz Mes sage leng th: 27 words Word N o.
34 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 21 0 Rate: as requi red (maxi mum rate is 1 Hz ) Mes sage leng th: 20 words Word N o.
35 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 21 2 Rate: as requi red (maxi mum rate 1 Hz ) Mes sage leng th: 8 words Word N o.
36 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 21 4 Rate: as requi red (maxi mum rate 1 Hz ) Mes sage leng th: 9 words Word N o.
37 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
38 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 21 9 Rate: as requi red (maxi mum rate is 1 Hz ) Mes sage leng th: 1 2 words Word N o.
39 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
40 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 221 Rate: as requi red (maxi mum rate is 1 Hz ) Mes sage leng th: 1 5 wor ds Word N o.
41 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 30 3 Rate: as requi red (maxi mum rate approximately 0 .2 Hz) Mes sage leng th: 8 words Word N o.
42 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 3 10 Rate: as requi red (maxi mum rate 1 Hz ) Mes sage leng th: 20 words Word N o.
43 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 3 1 7 Rate: As re quired - ma ximum rate 1 Hz Mes sage Lengt h: 8 words Word N o.
44 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 33 0 Rate: As re quired (ma ximum rate 1 Hz ) Mes sage Lengt h: 20 words Word N o.
45 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 331 Rate: As re quired (ma ximum rate 1 Hz ) Mes sage Lengt h: 9 words Word N o.
46 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : 1 35 1 Rate: As re quired. The ma ximum allowa ble rate is onc e e ver y 100 ms ( Note 1 ) Mes sage Lengt h: V ari es with me ssage Word N o.
47 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
48 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. 3.6 Ju piter NM EA data messag es This secti on describes the NM E A data me ssag e s of the Jupiter GPS rec eiv er .
49 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
50 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
51 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
52 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
53 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Mes sage ID : V T G (while re ceiver is in navi gation mo de - - Note 1 ) Rate: Variable Fields: 8 Fiel d No.
54 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
55 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
56 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
57 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
58 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. 4.0 Jupiter GP S receiver operation This secti on presents a detailed operati onal descr iption of the Jupiter ser ies of GPS receivers.
59 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
60 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. 4. 3.4 Dif fe renti al GPS (DG PS) cont rol Jupiter GPS DG PS operation: disable and cor rection t imeout.
61 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. used to identif y previously healthy satellites and to generate “wor king” visible satellite lists, while frequency stan dard da ta minimise s satell ite acquisition unc er tainties.
62 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. GDO P . T he DOP fields in mes sage 1 0 03 are set to maximum values when G DOP cannot be computed.
63 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
64 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. 4.6 Navigation This secti on describes the operati on of the navigation sof t w are i n th e GPS r eceiver .
65 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
66 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. These er rors induce veloci ties in the receiver ’ s state estimate ev en if t he receiver is motionless.
67 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. If the measurements are lost for a lo ng time, the EHPE and EV PE will grow until they su r pass their thresholds and the s olution fails the validity test for that reason.
68 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. communic ations protocol, and mes sage controls are stored in non -v olatile EEPROM. 4 . 7 .
69 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
70 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
71 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
72 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
73 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. GPS ac curacy that uses pseudo -range er rors recor ded at a known locati on to impro ve the measurements made by other GPS recei v ers within the s ame general geographic area.
74 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. km : Kilometre. L 1 Band : the 1 575.4 2 MH z GPS car rier frequency which c ontains the C /A code, P- code, and navigation messag es used b y c ommercial GPS receivers.
75 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. RTCA: Radio T echnic al Commission for Aeronautic s. RTCM: R ad io T ec hnical Commis sion for Maritim e Ser vice s.
76 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Appendix B: References This appendix provides a list of document s that may help a user of Navman ’ s GPS rec eivers to learn m ore about the way the GPS can be used.
77 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. as antennas and processo rs. This equipment allows users to rec eiv e, deco de , and proc ess the informatio n necessar y to obtain acc urate position, velocit y , and timing measurements.
78 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Similar equations are then used to c alculate velocit y using relative v elocit ies instead of pseudo- ranges.
79 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. reser ved for use by the DoD and c ert ain authorised users. SPS is les s accurate and intended for general public use.
80 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Occ asionally a ty pe 2 message is sent interspersed am ong the cor rection mes sages, which provides a s econdar y cor rection.
81 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
82 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
83 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
84 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
85 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
86 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
87 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. Cod e Na me Ell d x dy d z 1 45 Provisiona l S. Amer ican 195 6 - Colomb ia 1 5 –282 169 – 37 1 1 4 6 Provi sional S.
88 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice.
89 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. APP ENDIX F : 2 x 1 0 pin field connector information This appendix co ntains ordering i nformation for the 2 x l0 pin fi eld connector .
90 MN 0 020 00 A © 20 04 Nav man NZ Lt d. All r ight s reser ve d. Propr iet ary i nfor matio n and sp ecifi cat ions su bjec t to chan ge wit hout no tice. © 2004 Navman NZ Ltd. All Rights Reserved. Information in this document is provided in connection with Navman NZ Ltd.
An important point after buying a device Navman 12 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Navman 12 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Navman 12 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Navman 12 you will learn all the available features of the product, as well as information on its operation. The information that you get Navman 12 will certainly help you make a decision on the purchase.
If you already are a holder of Navman 12, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Navman 12.
However, one of the most important roles played by the user manual is to help in solving problems with Navman 12. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Navman 12 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center