Service manual

MDS E-SCAN MONITOR OPERATION

5. Monitor Operation

5.1 The Operator’s Panel

The Operator’s Panel or Front Panel consists of a display and a 20-button touch pad, which form

the interface between the operator and the instrument. The display consists of a 640 x 480 pixel

LCD screen, which provides the operator with various messages. The 20-button touch pad allows

the operator to make entries and instigate commands.

5.1.1 Display

The three basic types of messages

displayed are:

Variable:

These information lines contain either

set points that may be altered by the

operator, or measurement variables

that are updated by the CPU.

Alternate Action:

Acts much like a two position switch

and is used to select various menu

options. The operator is able to

alternate between two states, such as

ON and OFF.

Error Display:

Flashes continuously to attract

operator’s attention to an error

condition.

This equipment is designed for continuous operation and may be left on for extended periods

of time.