GRAPHTEC gl820 User Manual page 39

2. Time/DIV display
Displays the current time scale.
3. Status mark
Do not turn off the power or remove the USB memory while the status mark is other than STOP (those
with an asterisk (*) in the above). Data may become corrupt and inaccessible.
Operate the GL820 after checking that the display is "STOP."
4. Internal memory access display
Do not turn off the power of the GL820 while the internal memory is being accessed.
Data may become corrupt and inaccessible.
5. USB memory access display
Do not remove the USB memory or turn off the power of the GL820 while the USB memory is being
accessed.
Data may become corrupt and inaccessible.
6. Remote display
7. Key lock display
: Appears when neither capture nor replay is in progress.
*: Appears when data is being captured in the internal memory or USB memory.
*: Appears when waiting for a trigger during capturing and the stop key after capturing.
*: Appears when data in the internal memory or USB memory is being replayed.
*: Appears when data in the internal memory or USB memory is being replayed on double
screens (refer to Section 3.3, "Operation Modes").
: The internal memory is not accessed.
: The internal memory is being accessed.
: No USB memory is inserted.
: USB memory is inserted but is not accessed.
: USB memory is being accessed. Do not remove the USB memory.
: Indicates local mode. Operations can be conducted on the GL820.
: Indicates remote mode. With some exceptions, operations must be conducted on a PC.
When you cancel the connection on the application (GL220_820APS), the GL820 is
automatically sent back to local mode.
If local mode is not entered, press the "QUIT" key.
: Not in key lock status. Normal operations are enabled.
: Key lock status. All the keys are locked.
Refer to page 3-51 for details on the key lock.
CHAPTER 3 Settings and Measurement
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