User Manual

38
Troubleshooting
If you encounter a problem, try doing these things first:
• Make sure all cables and other connected devices are properly and securely connected.
• Make sure you are using PMD661MKIII as described in this user guide.
• Make sure your other devices or media are working properly.
• If you believe PMD661MKIII is not working properly, check the following table for your
problem and solution.
• If the PMD661MKIII exhibits erratic behavior, the microprocessor can be reset by powering
off, disconnecting AC power and removing batteries.
Problem Solution
PMD661MKIII does not turn on. Install fresh batteries.
Make sure PMD661MKIII’s power input is properly
connected to a power outlet using the included power
adapter.
PMD661MKIII turns on then turns
itself off.
Install fresh batteries.
PMD661MKIII seems to record, but
there is no sound on playback.
Check input settings. (For example, if the line input is
selected and no input is connected to the line jack, the
PMD661MKIII will record silence. The PMD661MKIII will
not playback.)
There is no audio playback through
headphones or internal speaker.
Check Hp/Spk Vol control setting.
Check a different audio file or the card.
PMD661MKIII will not record. Check that the maximum of 999 files have not been
recorded.
Check that the PMD661MKIII acknowledges the card.
No signal from microphone input. Check input selection.
Check Rec Level control settings.
Check if microphone(s) require(s) phantom power.
There is excessive noise on
PMD661MKIII.
Check cable connections and/or replace cable.
Check for proper gain levels.
Playback on a computer results in
poor sound.
Check quality of computer sound card and application.
Check frequency conversion application. (PMD661MKIII
records audio files with a sampling frequency of 48kHz.
Some applications convert the files to 44.1kHz using a
sample rate converter. Only high quality sample rate
converters should be used.)
Computer cannot read files. Check the capability of the playback application. Some
playback and editing applications do not support MP3 or
Broadcast Wave (.wav) formats.
Use DMP Mark Editor to play files recorded with
encrypted recording on a computer.