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69
RECORDING
6
6
To change the MP3 bit rate:
1. Press the MENU button.
2. Turn and press the Headphone encoder to select RECORDER > MP3 Bit
Rate.
3. Turn and press the Headphone encoder to select a bit rate. Options include:
128, 192, and 320 kbs.
Setting the Sample Rate
The 688 records WAV
fi
les at 48 kHz sample rate by default.
To set sample rate:
1. Press the MENU button.
2. Turn and press the Headphone encoder to select RECORDER > Sample Rate.
3. Turn and press the Headphone encoder to select a sample rate. Options in-
clude: 44.1k, 47.952k, 47.952kF, 48k, 48.048k, 48.048kF, 88.2k, 96k, and
192k.
The sample rate value is stored in
fi
le metadata. Those options with “F” are
F mode rates. The F stands for “faux” or “Fostex”.
Certain restrictions apply when using sample rates at or greater than 88.2 kHz:
88.2 - 96
K
H
Z
192
K
H
Z
Maximum record tracks
8
6
WAV mono recording
Warning Message displayed: Sample rate limit for Wav Mono
recording exceeded. Reduce sample rate or set to Wav Poly.
Maximum pre-roll time
3 seconds
1
MixAssist
Disabled
ISO 7-12 recording
Disabled
RTN loopback
Available
Disabled
High-pass
fi
lters
Unchanged
Off or 50 Hz
X3 - X6 outputs
Available
Disabled
AES outputs
Available
Disabled
Limiters
Available
Disabled
Input delay
Available
Disabled
Output delay
Available
Disabled