Maintenance and Care

Auto Lamp Selection System

This Projector is equipped with 2 Projection Lamps. The Lamp Management Function detects the status of lamps and shows the status on screen or on the LAMP 1/2 REPLACE indicators. This function also automatically controls the Lamp Mode when any of lamps reaches the recommended total hours of use or is out for the end of life or malfunctions.

LAMP 1/2 REPLACE indicators

Lamp control Lamp status

Lamp 1/2 Replace Indicators

The LAMP 1/2 REPLACE indicators light yellow when the total lighting time of a Projection Lamp reaches the recommended total hours of use. Check the number of lamp on the Lamp Status Display or the LAMP 1/2 REPLACE indicators and replace the lamp.

Lamp Status Display

The Lamp Status Display appears on screen when the projector is turned on or the input position (input 1, input 2, or Input 3) is switched. This shows the status of each lamp as; ON, OFF, NEAR END, or OUT. Refer to the following for each status.

LAMP STATUS DISPLAY

Yellow Lamp

Dim Lamp

Red Lamp

X Mark on Lamp

Projection Lamp lights normally.

Projection Lamp is turned off.

The total lighting time of Projection Lamp reaches the recommended total hours of use. (LAMP 1/2 REPLACE indicator lights yellow.)

(LAMP 1/2 REPLACE indicator flashes yellow.) Projection lamp is defective or fails to be turned on. Restart the projector on, and make sure lamp is on. If this mark still appears, replace lamp corresponding with number marked X.

Lamp Mode Changeover

The Lamp Management Function automatically changes the lighting lamp (Lamp Mode) by detecting the status of lamp. When either of the 2 lamps is out, the projector operates with the other lamp. The Lamp Mode can be switched manually. Refer to the SETTING section on page 53.

LAMP 1 MODE

When Lamp 1 is burnt out.

LAMP 2 MODE

When Lamp 2 is burnt out.

When the total lighting time of a lamp reaches the recommended total hours of use.

Red

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Sanyo WTC500L Auto Lamp Selection System, Lamp 1/2 Replace Indicators, Lamp Status Display, Lamp Mode Changeover