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8.4 Error Messages
The Vega displays various error messages when operated
outside its normal range: If the color scheme selected is
full color, then the error messages will be colored red.
Over range: When the power or energy being measured
exceeds the range of the measurement scale being used,
the “over” message is displayed, but the reading still
appears on the display. If the power or energy exceeds
the maximum by more than 10%, the reading on the
display is blanked.
Low Battery: When the battery is almost discharged, the
Battery icon will have only 1 segment left. This means the
battery is ¾ empty. At this stage, the Vega should be
connected to the charger. It will operate normally and
charge slowly while connected to the charger.
Sat: When the photodiode current exceeds 1mA, and the
detector starts to saturate, or the pyroelectric voltage
exceeds the maximum, the message "sat” (=saturated) is
displayed.
8.5 Troubleshooting
8.5.1. Vega Display
Problem
Instrument will not operate after
being completely discharged
and connected to charger.
Instrument operates with
charger but not with battery
alone.
102
Cause/Remedy
Check that charger provides
200mA.
Battery is low.
Recharge
overnight with the Vega turned
off for 7-8 hours. If the Vega still
doesn't work with battery, then
the NiMH battery is probably
dead.
Replace battery (see
section 8.6.1.4).