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ggerman28
USA
3 Posts |
 Posted - 27 mai 2007 : 03:54:29
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I recently bought a iTrek M5+ (737 clone?), and at same time i broke my BT dongle for my lappy... #@%^@^%$
So then i couldnt run the GPSview to test if my iTrek M5+ is locked or not.
Could somebody verify if I need to use the resistor tweak to make iTrek M5+ receive commands or not? |
Edited by - ggerman28 on 27 mai 2007 03:55:47 |
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beHappy
3 Posts |
Posted - 28 mai 2007 : 10:15:52
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Thanks to the tips here from, I did MTK modding as described here applied to QStarZ BT-818. BT-818 is iBlue737 clone with the baudrate 115200, with 1kOhm resistance it will accept serial comp. command (NMEA commands) through Bluetooth. With NMEA Monitor program it will accept WAAS/EGNOS enable, search SBAS sattelite and set Differential GPS Fix (DGPS Fix). Under some circumtances I can see the SBAS PRN 33, 37, 44 and tracking of these. The unit works perfectly with Nokia N73 with TT6 mobile, no problem at all with the build-in sleep mode (auto-on-off) in power-save-mode. The GPS Fix indoors is almost 5-8 bars, when outdoors is better; approx. 8-10 bars, in some seldom cases max. 11-13 bars. Compared with my earlier Holux 236 I like it much more, except two issues; static navigation som discussed here couldn't turn off and no backup battery so the changes couldn't save permanently in the chips (reset when the battery takes off), othewise it will be the most perfectly gps receiver.
Using in pedestrian "mode" with the highlight street the accuracy is near 2-3m, when out-of-route it varies up to 20m. The odiometer can track down to 1 km/h and still navigate around, but less accuracy.
Firmware version:
M-core_1.8,0001,1.902_40__1102_0001,0609_m0279,0001 |
Edited by - beHappy on 28 mai 2007 10:51:30 |
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gpspassion
93427 Posts |
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juangas
Spain
2 Posts |
Posted - 14 juin 2007 : 22:07:43
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Hello everybody.
I've found this forum due to a problem between my qstarz 818 and a n73. Both get unpaired sometimes.
beHappy: did you solve this? if so, which nmea sentences had you used for it?
There's a new version of the qstarz 818 with a new firmware and the static navigation disabled.
Thanks everybody for all the info.
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Edited by - juangas on 16 juin 2007 13:37:30 |
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musky
USA
226 Posts |
Posted - 15 juin 2007 : 01:56:43
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| Where do you purchase the new version of the Qstarz 818 with the static navigation disabled? How do I know I am getting the version with it disabled? Thanks |
Edited by - musky on 15 juin 2007 13:29:19 |
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gpspassion
93427 Posts |
Posted - 15 juin 2007 : 09:49:57
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Haven't heard of this. I will ask Qstarz directly. As a reminder we have a thread dedicated to the 818 : http://www.gpspassion.com/forumsen/topic.asp?TOPIC_ID=75868
What would be interesting is you could give us the firmware revision number here though so it can be added to the first message.
I have confirmed with Qstarz that there is indeed a new version but that the upgrade is not possible by the end user unfortunately, it has to be sent back to them. I think that those who are interested should contact the place where they bought it, but I doubt they can offer that type of service. |
Discounts and Assistance/Réductions et Assistance (Club GpsPasSion) / Où commencer? |
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beHappy
3 Posts |
Posted - 18 juin 2007 : 11:34:48
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I bought my unit from UK. Asking them about firmware update and here is the answer.
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here is a response from Qstarz, pls let me know your decision:
Only SiRF GPS can set static navigation to OFF. BT-Q818 doesn't have this kind of parameter for setting.
About the firmware upgrade of BT-Q818, it can only solve the problem with Bluetooth disconnection.
New firmware is to detect some PDA/Smartphone model without supporting sleeping mode to avoid connection dropping.
We're sorry that it could not be updated by user via laptop. So we need your help to send your BT-Q818 to us for the firmware upgrade |
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gpspassion
93427 Posts |
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Waylo
44 Posts |
Posted - 19 juin 2007 : 15:34:38
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| The offer by Qstarz to replace older firmware units is a nice one, as they offered this when I wanted to replace my Qstarz q810. However, they are based in Taiwan, so shipping/insurance and the time delay might make it cheaper to just buy a new one! |
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noi_kog
3 Posts |
Posted - 23 juin 2007 : 09:23:05
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I'm newbies of GPS. I was buy Holux M-1000 at last week. I use GPSview check my M1000 firmware, it's show version B-core_1.0.0003.
- How to upgrade GPS firmware for Holux M-1000 ?
- Where to download newest firmware of Holux M-1000 ? |
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chong67
USA
8 Posts |
Posted - 24 juin 2007 : 00:09:43
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I got the i747 and now I got it running at 5 hz with GPSView.
When I am on TomTom6 the cursor is not jumping around only when I past 1 mph.
Is this what it is suppose to do? |
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sundude
USA
27 Posts |
Posted - 28 juin 2007 : 20:41:11
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I have purchased the I-trek Z 757 clone form Semsons. My version is M-clone_1.8.1388 11902_40_Log1.3_1102_5000.0609_m0279.0001. I had to take it apart to see what was inside. Took pictures but baven't figured out how to add pictures.  . I'm trying to figure out how to enable the bluetooth input.
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Edited by - sundude on 28 juin 2007 20:56:53 |
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Sintei
2 Posts |
Posted - 28 juin 2007 : 20:57:37
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I got the I-Blue 737 via Germany. Firmware: M-core_1.8,0001.
On the first page it says its a "c300k", what does that mean?
Since i did the mod i notice my gps has lost some sensitivity in my car. (It takes alot longer to start up now). Does anyone else have had the same problem? Isnt waas/egnos enabled at all time, or atleast when my software, tomtom5.2, is on? All these settings you can change, is there any benefit of changing them?
regards
Nicklas |
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musky
USA
226 Posts |
Posted - 28 juin 2007 : 23:08:40
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Nicklas:
If you are referring to the "resistor hack" mod, that should not affect the sensitivity of your unit. I suppose it is possible you jostled something when you took the unit apart.
WAAS/EGNOS is probably not on by default. It was not turned on by default in my MTK unit. Can you look at the GGA NMEA command? If WAAS/EGNOS is actually on, you should get a ,2 in the GGA string.
Are you turning WAAS on with a PMTK command? Is that why you did the mod? If so, it could be possible that the time to first fix takes longer with WAAS enabled.
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jetsun
9 Posts |
Posted - 02 juil. 2007 : 19:05:50
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I got i-blue 747 today, and I am disapointed at its performance.
My Holux GR236 dropped to the ground and broken two weeks ago,
so I bought this i-blue 747. But I found it has some shortcomings compare to GR236.
The test environment is on the city street that has tall buildings at two sides.
First one is the "static navigation" is always on problem, this is not suitable for pedestrian.
The position reported by GPS often does not change during my walking, there is a time lag and the position/direction is always wrong.
The other one is the drift problem. GR236 also has drift problem, but from the track log of the same environment, I feel that the drift problem of i-blue 747 is serious than GR236.
Can the static navigation of MTK chip GPS be switched from ON to OFF as Sirf GPS could?
I hope someone can found the command that turn it off, or by updating to a new version firmware.
The main purpose of my GPS for navigation during my walking, it becomes annoying because of this feature. It is my falut that not read the topics of gpspassion carefully before I bought it. I should pat attention to the SN problem. |
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* Discussing MTK receivers and Tips and Tweaks *
