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Memory-Map TX3 and Memory-Map TX4 review

Memory-Map TX3 and Memory-Map TX4 review

Thu 12th March 2015

Memory-Map TX3 Android GPS with/without OS Maps
Memory-Map TX4 Android GPS with/without OS Maps

If you looking for a device that offers 3G phone, Bluetooth & WiFi and of course GPS then the waterproof, robust Memory-Map Android TX3/TX4 Android GPS is worth consideration especially if youíre already a fan of their easy to use PC software.

Like the MMís Adventurer range of GPS the TX3/TX4 run on a specially written mobile version of MM pre-installed on micro SD card and offers a range of mapping options from base unit with blank SD card to use with your existing MM products to OS Landranger or Explorer GB bundles. We used TX3 Ordnance Survey Platinum Edition (£499) for testing; it offers OS Steetview GB, OS 250k Road Map, OS Landranger GB and OS Explorer GB pre-installed on 32GB card and the ability to install MM and the maps to your PC.

New for spring 2015 is a big brother for the TX3 the TX4; what do you get for an extra £70? Like the TX3 it comes with MM mobile pre-installed so in naviagtional terms both use the same MM software to drive the installed maps. However the TX4 offers faster processor, 4 times as much internal memory, larger screen, more advanced camera and uses the latest version of the Android operating system Working on the basis that premium maps like OS Explorer look better on a larger screen we reckon the TX4 is worth the extra cost.

Compare features TX3/TX4

One of the big attractions of these offers is the fact that itís a multi-device licence and the whole deal is wrapped around Memory-Map PC software which is in our opinion the most user friendly computer mapping software on the market. Essentially the deal delivered the luxury of premium OS Explorer GB mapping for both our PC & GPS with the option of adding it to our other mobile devices if required.

If you think of Memory-Map as the software then the Seals TS3/TS4 is the hardware; itís a rugged and waterproof Android Smartphone based on the Seals TS3/4 that has been upgraded by MM with additional features. The TX3 features a 3.5 inch colour touchscreen display, Wi-Fi, GPS, Compass & Barometer, SOS GPS Text messaging and 5 mega pixel dual cameras. It runs on Android 2.3.6 (not the latest version) and offers Removable Lithium polymer battery with USB cable & charger.  Whilst this is not the latest in smartphone technology it would seem to be one of the few rugged & waterproof devices out there and a good partner for Memory-Mapís software.

First impressions; the device sits solidly in the palm of your hand and has the familiar android operating features and clear bright touchscreen, but for us the all-important comparison was going to be the touchscreen visibility on the hill in direct sunlight. The comparisons were going to be between my Samsung Galaxy S4 (useless in direct sunlight) and my Oregon 650 (very good in direct sunlight) I have to say we were pleasantly surprised as the TX3 sits nearer the Oregon than the S4. When on the hill with the installed Explorer 25k OS maps were clearly visible even in direct sunlight, the GPS reception was spot-on and I always felt confident that I was on track.

Getting Started

WiFi & email are fundamental to getting the best from this unit especially when getting started. After switch on the first tasks are to link to your WiFi and setup Google email & playstore accounts if you donít already have them and create a Memory-Map account. As the TX3 is a fully featured smartphone itís up to you to decide if you want to use PAYG or Contract SIM card; as we plan to use the phone in our device for emergency & casual use whilst on the hills we installed a PAYG SIM with £10 of call credits.

Before you can view the maps you will have to activate the maps installed on the SD card using the internet; once this is done you can install the maps to your PC as well instructions for both tasks are to be found in the quick start guide included in the box.

If you are an existing Memory-Map owner/user of their PC software you could consider the purchase of a Base Unit (£279) and have the ability to copy across any existing maps you own to the device. Be warned however you will only be able to copy MM sourced mapping to the device.

Navigation with the TX3/TX4

We suspect that most folk will navigate at a fairly basic level and this is where the mapping excels; once you have opened MM and have the GPS active then by selecting Menu > GPS Lock the map is centred and scrolls as you move so if you have a detailed map on view you can hardly get lost.
Whilst on the go you can view details of your current position, your distance travelled and follow a directional arrow to your destination if you are following a route or GoTo on the Trip Computer accessed by tapping and dragging at the top of the screen (you can change the layout & fields to suit your navigational priorities).

Following Routes in a mobile device is not going to be the same as using a traditional handheld GPS we think a different approach is required. We tend to use this method; an easy way to keep yourself on course. If you send a route to the device it will be seen overlaid on the map (if you have one at the location and the more detailed the map the easier it is to establish your location) then if you lock the screen you will see your location in relation to the route as you move.

As you will see from our Calthwaite Route our position is the red circle, the route is our general guidance and itís easy to see where we are and work out our route forward. There is no need for multiple waypoints within a route just general guidance is sufficient.

If you are a regular user of MM on your computer you will be familiar with the idea of route planning, data management and sending user data like waypoints, routes and tracks to/from your GPS & PC; all this is possible when you have MM installed on your PC

Data Transfer

There are several ways of moving user data to and from the TX3; all of which are relatively straight forward once you get your head around the system; however we have to admit nothing was obvious to us but with help of MM support we worked it all out. Basically there are two methods import/export by saving to/from download folder in the device and something completely new to us the ability to attach a gpx exchange file to an email and mail it to yourself and your device. You can import/export user data as follows

MM to TX - By saving gps exchange file to Download Folder in the device
MM to TX - By emailing saved gpx exchange file to the device as an attachment
TX to MM – By Importing gpx exchange file to MM from download folder
TX to MM – By emailing gpx exchange file as an attachment from device to yourself

A GPS Training quick start guide & factsheet including step by step instructions on how to transfer user date to/from TX3/4 will be available on request and in our Memory-Map online resource after the new update due in the autumn.

Geocaching made easy

Using the internet capacity of the TX3/4 to access the Geocaching App (£6.99 from the playstore) takes geocaching to a new level and of course geocaching is probably the most fun you and your family can have with a GPS.

Once you have installed the app to your device you can log in to your account and search for nearby caches either by list or map, create an off-line list and if you are a premium member you will be able to view logs and hints and of course navigate to the cache using either a GoTo or the map.
We prefer using the app on the go to the previously more complicated procedure of creating Pocket Queries that weíve always found a bit of a pain.


Having been really disappointed in the visibility of maps on my Samsung S4 on the hill so as I set off to evaluate the TX3 on a day out in Geltsdale in the Northern Pennines I had no great expectations of anything better of the TX3; I quickly relaxed as it became plain that I could easily read the map even in direct sunlight and with the screen locked I could always see my location on the map.      

Having use MM mobile on the Adventure series I had a reasonable idea of what to expect when navigating so in that respect there were no surprises; but for those who have never used MM mobile software on this type of device you may find that it is short on the navigation options you may be used to on a handheld GPS.

I recorded, saved and imported my track (record of my trip for the day) back into MM on my PC and was able to review the statistics of my trip which is always nice to do. Over the years weíve used and evaluated many different computer mapping software and MM is our clear favourite. So for me it just felt like a nice combination of hardware and software provided you were happy to navigate at a fairly basic level and with premium maps like OS Explorer why would you need more. So if you already have bought into MMís PC software already then this combination allows you to make the best of product/maps you have already purchased.

Itís obvious that this is another step along the road towards the integration of Smartphone & GPS technology and worthy of your consideration especially if you are already a MM user. For more information call GPS Training on 01444 390151 or visit the GPS Training Memory Map store

So to wrap it all up this is a device we are happy to recommend; which device or mapping combination you go for is up to you, but if the pennies allow our top tip would be the TX4 GB Platinum Edition. Not because itís the most expensive but because we just love walking with OS Explorer maps.

Posted By: Malcolm Dixon | Fri 27th March 2015

I'm just about to get a TX4 using MM's trade in offer and will report back once I've received and started using it.Previously had the MM 3500 GPS unit which I enjoyed using, but felt it was let down by its battery - which rarely lasted a full day's walking so you had to have a spare on you. And occasionally found to be discharged even though charged up the previous night.MM software is very easy to use especially compared to Garmin's 'Base Camp'. Cheers

Posted By: Jon Monks - GPS Training | Sat 28th March 2015

Malcolm - please do leave a review once you have got your new unit. Watch this space as we have teamed up to do three taster/ training days on the new Memory Map TX4 this current years in South Downs, Cotswolds and the Lakes. A great opportunity for people to get there hands on and try the new TX4 before they buy.

Posted By: Graham | Mon 20th April 2015

You say that the screen is visible in daylight, does this mean that it is always visible, like on the etrex which only needs backlight when there is no ambient light, or do you have to wake up the device like a mobile phone? I was thinking about using it on a bike or boat where you may want to watch your dot move on the map but not have hands free to keep waking the screen. On a normal mobile phone the need for the screen to be on is what kills the battery life.

Posted By: Jon Monks - GPS Training | Mon 20th April 2015

Graham, thanks for your question. The screen on the Memory Map struggles in bright sunshine, especially compared to a Garmin GPS. For what you are wanting I would think a Garmin Oregon, Montana or Montera would be a better option.

Posted By: Graham | Wed 22nd April 2015

many thanks for the reply Jon - most valuable!

Posted By: John Gallimore | Fri 18th September 2015

I am considering the TX4 but my experience with MM has not been brilliant. I have a MM Adventurer 3500 on which the touchscreen has now failed completely. The touchscreen functionality has always been poor and the screen scratched too easily. Battery life also poor as others have found. The question now is whether to get it repaired or to buy a new GPS, and if new, have the many problems of the Adventurer 3500 been sorted out in the TX4?

Posted By: Jon Monks - GPS Training | Fri 18th September 2015

Thanks for your comment on the web site. Yes the TX4 is a completely different beast than the 3500. Everything is Android driven know whilst your old one was windows mobile based, so far more stable. If you already have a licence for MM you can put it on 5 devices. Therefore you would just need the base unit and put one of you licences on your new unit. I hope this helps.

Posted By: Richard Smith | Tue 20th September 2016

My AV3500 failed after only 760 hours of use, display failed and classed as beyond economical repair.I hope that the TX4 unit will last longer!

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