Quantum Data 802BT - Manual (Page 719)

802BT/802R Video Test Generator User Guide 709
custom image or test sequence) that are corrupted. It is up to the user to check the
contents of the individual items. Attempting to load a corrupted item will report and error
for that item.
A corrupted format can be repaired be either editing it or by downloading a new set of
data from a computer.
In most cases, a corrupted custom image or test sequence can not be repaired. This is
due to the variable data structure used. You will need to recreate and save the data
back into memory.
Repeated corruption of the data in non-volatile memory usually indicates a weak
battery. Battery replacement information can be found in the chapter on Maintenance.
3. A power-on message, indicating the current firmware and hardware revision levels, will
appear for 2 seconds at the end of the self test procedure.
If an animated image is displayed at power on, this message will not disappear until a
button is pushed or a knob is turned.
Power fail message
Whenever the AC power line voltage dips below the minimum specified, this message is
displayed and the generator’s microprocessor is halted.
If you see this message during normal operation, it probably indicates that a power sag or
short duration drop-out has occurred. To clear this condition, cycle the power going to the
generator. If the power is good, the generator should resume normal operation. If you still
have a problem, you may also want to check to see that the line voltage selector (next to
the power inlet) is set correctly for the power being fed into the generator.