Sony HDW-F900 Operation Manual page 53

1 TALLY indicator
Setting the TALLY switch to HIGH or LOW activates this indicator. The
indicator lights during recording on the VTR. It also provides the same
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information as the REC indicator in the viewfinder; it lights up during
recording and flashes to indicate a problem. The brightness of this
indicator when it is lit can be controlled by the TALLY switch.
2 TALLY switch
This switch controls the TALLY indicator, setting its brightness (HIGH
or LOW) or turning it off.
HIGH: The TALLY indicator gets brighter.
OFF: The TALLY indicator does not operate.
LOW: The TALLY indicator gets dimmer.
3 DIAG (self-diagnostics) button
Pressing this button when the VTR is stopped switches the camcorder to
self-diagnostics mode. In self-diagnostics mode, it is possible to carry
out a display panel test, a VTR test, or a camera test and display the test
result.
To exit from self-diagnostics mode, press this button once more.
For more information, refer to the Maintenance Manual.
4 BACK TALLY indicator
This indicator functions exactly the same way as the front tally indicator
when the BACK TALLY switch is set to ON.
5 BACK TALLY switch
This switch enables (ON) or disables (OFF) the operation of the BACK
TALLY indicator.
ON: Enables the BACK TALLY indicator operation
OFF: Disables the BACK TALLY indicator operation
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Chapter 2 Locations and Functions of Parts and Controls