6.5 Recording
When considering your recording configurations note that the built-in microphone operates only in
mono mode. The choice of recording file type will affect both the quality of the recording and the
size of the recorded file. If you increase the quality of the recording, it will produce a larger
recorded file.
6.5.1 Built-in Microphone File Type
For the built-in microphone (which records only in mono mode) use keys 4 or 6 to choose to record
in one of:
• MP3 64 kilo bits per second (kbps) medium quality
• MP3 96kbps good quality
• Wav 16 bit 44.1K PCM high quality
Upon choosing a recording file type, the Trek will give you an estimated recording time remaining.
This time is based on the free space on your SD card and the size of the files generated by the
selected recording type.
6.5.2 External Recording File Type
For the external microphone use keys 4 or 6 to choose your recording file type.
• MP3 64kbps medium quality
• MP3 96kbps good quality
• Wav 16 bit 44.1K PCM high quality
Upon choosing a recording file type, the Trek will give you an estimated recording time remaining.
This time is based on the free space on your SD card and the size of the files generated by the
selected recording type.
6.5.3 Recording Volume Adjustment
There are two recording volume adjustment modes which can be selected in the recording
configuration menu using keys 4 or 6: Fixed and Manual. The selected mode will apply to both
the internal microphone and the external microphone.
6.5.3.1 Fixed Mode
In the Fixed mode, the Trek’s recording volume is fixed at a pre-set level.
6.5.3.2 Manual Mode
In the Manual mode, you can select the recording volume from a range of 12 volume levels.
There are two different ways of adjusting the recording volume level manually: from the Notes
bookshelf when a recording is not in progress, and directly during a recording. The recording
volume settings for the internal microphone and for the external microphone are adjusted
separately and the Trek will remember them both.
To adjust the recording volume from the Notes bookshelf:
• Select the Notes bookshelf with key 1 and press Confirm.
• Access the recording volume adjustment by repeatedly pressing the Power key until you
hear “Internal microphone recording volume” or “External microphone recording volume”.
• Then, use the Up and Down buttons to adjust the recording volume just as you would the
normal volume. The Trek will announce the setting position as you change it.
Note: The Trek will adjust the recording volume of the active microphone (the internal microphone
if no external microphone is connected, or the external microphone if one is connected).
To adjust the recording volume during a recording:
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