Epson PowerLite U50 3700-Lumen WUXGA 3LCD Projector - Manual (Page 171)

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Setting Options Description
Projector Info Lamp Hours Displays the number of hours ( H )
the lamp has been used in Normal
and ECO Power Consumption
modes; if the information is
displayed in yellow, obtain a
genuine Epson replacement lamp
soon
Source Displays the name of the port to
which the current input source is
connected
Input Signal Displays the input signal setting of
the current input source
Resolution Displays the resolution of the
current input source
Refresh Rate Displays the refresh rate of the
current input source
Sync Info Displays information that may be
needed by a service technician
Status Displays information about projector
problems that may be needed by a
service technician
Serial Number Displays the projector's serial
number
Event ID Displays the Event ID number
corresponding to a specific projector
problem; see the list of Event ID
codes
Version — Displays the projector's firmware
information
Temp Warning Info — Displays various high temperature
warnings
Power On/Off History — Displays the projector's power on
and power off history