On 34xx we can enable ASR and DEM shading. Patching area in firmware 3.50 is at address D9750D:
D9750C: 00 01
D9750E: 00 00
D97510: CE 0E
D97512: 00 00
D97514: CE 0E
D97516: 00 00
D97518: CE 0E
D9751A: 00 00
For 3760 (B0 0E) I have patched like this:
D9750C: B0 0E - this is ASR
D9750E: 00 00
D97510: B0 0E
D97512: 00 00
D97514: B0 0E
D97516: 00 00
D97518: B0 0E
D9751A: 00 00
Now 3760@34xx shows suppor for 3D and DEM maps in GarminDevice.xml, but it doesn't work correctly. I get only DEM shading but no 3D terrain. There is no 3D buildings, only flat bases of 3D models appear.
ASR works after downloading *.srd files with WebUpdater. These are different files than for 37xx, here list form GarminDevice.xml
Code:<UpdateFile>
<PartNumber>006-D2806-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>en_US.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2805-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>en_GB.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2810-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>de_DE.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2803-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>nl_NL.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2811-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>it_IT.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2813-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>es_ES.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2809-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>fr_FR.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2812-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>ru_RU.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2802-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>da_DK.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2815-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>sv_SE.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2804-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>en_AU.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2807-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>fi_FI.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2808-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>fr_CA.srd</FileName>
</UpdateFile>
<UpdateFile>
<PartNumber>006-D2814-00</PartNumber>
<Version>
<Major>0</Major>
<Minor>0</Minor>
</Version>
<Path>.System/ASR</Path>
<FileName>es_US.srd</FileName>
</UpdateFile>