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A10-TX-US User Guide
For best operation and transmission power with the included 1/4-wave antenna keep it in the free
eld. If worn on a body keep the antenna away from direct contact with the wearer’s body.
Recording
On the A10-TX-US, the record feature is only available for line and mic-level operations. It is
intended for wireless boom and remote microphone locations that do not require a two-wire
lavalier. When the A10-TX-US auto-detects the presence of a lavalier microphone, recording is
disabled.
The A10-TX-US incorporates a data recorder that stores encoded digital waveform and timecode
data in proprietary, data-compressed binary MIC les.
Files recorded on the A10-TX-US are not sound les and require conversion using Audio Ltd’s
Mic2Wav application. (For more information, see
“File Conversion MIC to WAV”). After
conversion, a usable 48 kHz digital audio WAV le is made. Files recorded in the A10-TX-US
are approximately 1/3 the size of WAV les generated from corresponding MIC les, saving
valuable space on the microSD card. Files have a maximum duration of six hours. After six hours
the le is automatically split into another recording. Resulting WAV les are sample accurate
across le splits.
To begin recording on the A10-TX-US:
1. Ensure Menu > Audio Setup > Lav/Mic/Line is set to either Mic or Line options.
2. Select Menu > Record/TC > Record.
Recording can also be initiated from the A10-TX Remote App. The default le name of the
MIC le is the serial number of the A10 transmitter; however, the le name may be renamed
via the A10-TX Remote app. For more information, see Remote Control.
A Record “dot” indicator ashes in the display to show that the A10-TX-US is recording. This
indicator is also shown on the A10-RX, when paired with the A10-TX-US, in the TX Data
screen.
File Storage
Proprietary MIC les generated by the A10-TX-US are stored on FAT32-formatted microSD
cards. The microSD card slot is located in the battery compartment and is accessed by removing
the battery nearest the display.
If no microSD card is inserted in the unit, a ‘No card detected’ message is indicated.
New cards, or cards with material that can be overwritten, can be formatted in the A10-TX-US.
ª Formatting deletes all existing recordings present on the card.
There is no provision to manage les from the A10-TX-US. File management, including le
renaming and individual le deletion, is done when the microSD card is mounted to a computer
via a card reader.
File Conversion MIC to WAV
The MIC les generated directly on the A10-TX-US are not usable until converted. Audio Ltd.
provides a free Mic2Wav conversion utility, available for download from the Audio Ltd. website:
www.audioltd.com. This utility—available for Mac or Windows operating systems—converts
MIC les to usable Broadcast WAV les.
ª Mac operating systems need to be in 24-hour time to correctly reect timecode values.
Enter macOS System Preferences (/Language & Region/Time format) and change to 24
hour format.