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A10-TX-US User Guide
Timecode and Time-of-Day Clocks
The A10-TX-US includes high-precision internal clocks to maintain time-of-day/date and
SMPTE timecode. These clocks run continuously when AA batteries are in the unit and draw
negligible current (less than 1 uA). The A10-TX-US design incorporates a supercapacitor to
power the time-of-day clock for several days in the absence of batteries. The supercapacitor
reaches full charge when batteries have been in the unit for ve minutes.
Time-of-Day Clock
The time and date clock holds time and date for les recorded on the A10-TX-US, and can be
used for the Time of Day timecode value.
To set time and date:
1. Enter the Selection Menu option real time clock. (Menu > System > Set Time/Date)
2. Use the center Menu button to move between year, month, day, hours, and minutes. Use
the Left and Right buttons to change the values.
3. Press the center Menu button to select the Return arrow and view current values. Press
again to exit.
External LTC Jamming
External LTC timecode can be applied to the A10-TX-US to synchronize its internal timecode
clock. Synchronization of timecode clocks is called “jam syncing”. To jam the A10-TX-US
timecode clock, navigate to Menu > Record/TC > Timecode in the Selection menu. Connect
an LTC timecode source to the 3-pin LEMO
™
input connector using either the AC-TCLEMO
or AC-TCBNC-IN cables. The A10-TX-US will jam its timecode clock from the incoming
timecode signal.
ª While in the Timecode menu, RF transmission and recording are deactivated on the
A10-TX-US.
The timecode clock remains accurate when the transmitter is powered or in standby mode.
When the unit is powered down accurate timecode is held for six hours. After six hours the
timecode clock is reset to its default value.
Timecode Output
The transmitter’s 3-pin LEMO connector also functions as a timecode output connection. In
the Selection menu navigate to Menu > Record/TC > Timecode. While in this screen, time-
code can be sent out of the A10-TX-US using the AC-TCLEMO or AC-TCBNC-OUT cables.
Upon exiting the Timecode screen, the 3-pin LEMO reverts back to the selected lavalier,
microphone, or line input. RF transmission is reactivated, and recording is available for mic or
line inputs.