Chapter 16 Technical Reference

Problem: Nothing appears on the display when power is turned on.

Possible Causes

1.The battery switch on the back of the unit is set to REPLACE BATTERIES.

2.Battery power is low.

3.Display contrast is too light.

4.Screen tap power on feature is turned off.

Recommended Actions

1.Slide the battery switch to NORMAL OPERATION.

2.Replace batteries (page 21).

3.Adjust display contrast (page 160).

4.Click the Action control to turn on power or turn on the screen tap power on feature.

Display Contrast

Problem: Display is totally black.

Possible Cause

Recommended Action

Display contrast is too dark.

Adjust display contrast (page 160).

 

 

Key Tone

Problem: The PV Unit does not beep when you perform an operation.

Possible Cause

Recommended Action

The key tone is turned off.

Turn on the key tone (page 158).

 

 

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