ecoObs GSM-BATCORDER 1.0, Руководство пользователя

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11.3.2019 GSM BC englische Version 1.0 working copy - Google Docs
https://docs.google.com/document/d/1VKt6uoJvSfEkYLDzHNqqOVF-sEzni9rJ_CeRmnapthk/edit 21/53
OPERATION MANUAL GSM-BATCORDER 20
Auto Detect settings (AUTOD.)
With the button AUTODETECT SETTINGS you can set the parameters for signal
recognition ( QUALITY , THRESHOLD and CRITICAL FREQ enzy), the
POSTTRIGGER length, the NOISE FILTER) .
On the left side you see the set values, on the right side the default values are
displayed.
With the “right arrow” button (
▸
) you can go to the next line, with the “left arrow”
button (
◂
) you can go back to the previous line. Using the up/down arrow (
▴
/
▾
) you
can change values.
Quality
The Quality value is for separating the valid bat calls from “interferences”. The default
value is 20 which has proven best for most common recording situations. At higher
values (>20), less call like signals will be recognized, while lowering the Quality value
(<20) tightens up the trigger algorithm.
Threshold
The threshold value refers to the recording range of the GSM batcorder. The device
is set to a fixed sensitivity. This is chosen by means of a 40 kHz signal at full gain if
played with 96 dB SPL at the microphone. By setting the threshold value the