The Griffin has been designed to provide all the required functions for studying and surveying bat populations, whilst being easy to use in the dark and without the necessity for the usual connecting leads to recording equipment. Recording time is limited only by the capacity of the Compact Flash card used. The advanced design gives the user setup options, and many automatic features allow use by non-specialist operators.
The unit can be powered by all types of AA type batteries, enabling worldwide operation.
Watch this video for further information on Batbox Griffin features and user instructions.
Please note, the Griffin does not come with the protective blue rubber jacket as standard. This is available separately.
If I Were Stranded, On An Island, And Could Only Choose One Bat Detector...
by Al Milano in the United States (05/02/2013). Read more at http://batdetecting.blogspot.com/
I was very pleasantly surprised, to have the opportunity to review the formidable Griffin (multiple technology) bat detector; made by BatBox Ltd. in England. This is their top-of-the-range model, aimed at Professionals; and advanced hobbyists. For those who are not already familiar with this unit, I urge you to visit the view the specs provided by NHBS, on this Web site. I gave this unit 5 Stars, since this is what a high-end (Top-of-the-range) bat detector is made of.
The Griffin-BatBox Ltd.'s flagship bat detecting system, is an impressive unit to behold. In the hand, you are able to perceive a bit of heft to it – But not too much. Especially when you consider what this unit offers: An advanced, self-contained bat detecting system; which automatically records to CF memory cards.
In addition, it's loaded with useful features. This is not just another high-performance bat detector – It is a complete system: Which allows automatic/unattended and scheduled (timed) recordings – Where recording start & stop times are specified by the user.
This unit is 3 complete bat detectors, in one hand-held package. Remarkable.
I've determined that the unit is very sensitive, in each of the three modes! Also, being able to easily toggle, through each of the modes (with a simple push of the 'H' button) is really nice.
The frequency division mode is excellent, just as sensitive as their Baton model – Which, I have always praised very highly! (and still do). It appears that BatBox really knows how to make a good FD system!
The heterodyne setting is nice and sensitive, the volume may be set quite high if desired (without distortion).
The time expansion system is excellent – Providing an awesome sampling rate of 705.6 kHz
And, the mixed/Binaural setting works a treat! Very nice.
Another prominent feature: Is the large blue display. It is aesthetically pleasing to the eye. Frankly, it is one of the loveliest displays I've ever seen on a bat detector.
Some More Initial Impressions:
There is something a little different, and a bit interesting about this instrument: In that the more you use it, the more you come to appreciate it – Especially, its features.
Things like: Being able to see your remaining battery life at a glance (displayed right on screen), having a graphical representation of your sensitivity setting (Trigger Level for recording), Real-time display of ambient light and current temperature. I happen to really like the (dynamic) bar indicator, which also indicates the point at which recording will be triggered. It reminds me of the types you see on most modern sound recorders these days.
Another one of the features that you must actually use to truly appreciate, is how a you can see just how many triggered events have occurred – By taking a glance at the display. I've found this to be a great plus. It is akin to having a live gauge of your recording progress.
In an area well populated by bats, or where bats are seen in flight: You can see a numerical representation of your recording progress.
As another example: Imagine you are using the system in it's Silent Mode (another great feature!). Whether in a static location, using it for unattended monitoring, or even walking along wooded areas in the field: The Griffin's display, will indicate the number of recordings (triggered events) that have been made. It can help you decide, if you've collected a sufficient number of recordings for the night.
The front-mounted speaker produces excellent-quality sound, which can be adjusted in fine increments, using the encoder knob. Instant playback of recordings (in the field) is yet another uncommon luxury. There are also various options available, which allow a user to configure several different methods of unattended recording.
All-in-all, a very convenient system – It's very easy to use!
* Built-in recording to removable Compact Flash card
* Heterodyne, frequency-division and time-expansion
* Sample-rate: 705.6 kHz
* Frequency range: 16 kHz-190 kHz (with built in mic)
* Recording format: PCM 16 bit WAV files
* DSP: equivalent processing speed: 400MHz
* Storage medium: compact flash
* Storage capacity: max 32 GB (8GB=94 mins at full sample rate recording)
* Selectable division rates: 10/16
* Pre trigger mode: up to 2 sec
* Linux platform: user updates of firmware possible via CF card
* Recorded filenames: include date and time
* High quality voice recording
* Environmental monitoring: accurate temperature (-20 degrees -140 degrees +/-0.5 degrees) Light level readings
* Menu system: settable options via rotary encoder with push select
* Backlit LCD (128x64) Negative blue display: Time, mode, battery level, CF storage space, frequency (kHz - heterodyne)
* External mic input: electret type (1.5v power) via 3.5mm socket
* Batteries: 4 x AA
* External power option: (6-12v DC)
* Recording trigger modes: 2 automatic - timed interval recording or level sensing. Manual - continuous
* Built in speaker: 36mm 0.5 watt
* Headphone socket: 2 channel 3.5mm
* Single-handed operation
* Options: protective rubber jacket
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