Functions, 1 summary of setting operations, 1 measurement, operation, setting and service – Yokogawa GD40 Gas Density Detector User Manual

Page 54: 2 key operations, Functions -1, Summary of setting operations -1 4.1.1, Measurement, operation, setting and service -1, Key operations -1

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<4. Functions>

4-1

IM 11T3E1-01E

4. FUNCTIONS

When using the GD402 analyzer, set data and select functions according to the measuring

conditions. This chapter describes the structures of function.

4.1

Summary of Setting Operations

4.1.1

Measurement, Operation, Setting and Service

Parameters can be set by selecting the appropriate mode. These modes are classified into four

levels: measurement, operation, setting, and service.
[Measurement Level]
This level is used to view various measured values.
[Operation Level]
This is basically a level used to select between items to be viewed in the measurement mode

and a parameter to be measured, and to perform operations relating to routine inspection and/or

maintenance such as calibration.
[Setting Level]
At this level, there are modes for setting data related to analog outputs, calibration data and

alarm contact outputs.
[Service Level]
The GD402 analyzer has numerous functions. At this level, there are modes for selecting the

functions necessary for system operation.

4.1.2

Key Operations

Keys can be operated in an "interactive" manner. Operate the keys according to the information

in the data or message field, information pointed to by the pointer (mode indication), and/or infor-

mation in the key operation indicators. For basic key operations, see Subsection 3.1.4.
[Interactions]

l

Flashing pointer

This inquires whether you want to go to the mode being pointed at or move the pointer to the

next mode. When the system indicates the modes for the setting or service level, the message

is preceded by an asterisk (*). When you enter one of the modes, the pointer stops flashing and

remains continuously lit.
l

Flashing key operation indicators

This prompts you to choose an indicator from the indicators flashing on the display and press

the corresponding key.
l

Flashing numerals in data field

This asks whether you want to change the flashing numeral or move to the next digit and have

it flash. Press the appropriate key. If neither of these actions is required, press the [ENT] key.

[Aborting the Setting Operation]
Press the [MODE] key. Normally, the [MODE] key is used to move from the measurement

(<MEASURE>) mode to a mode at the operation level. It is also used to return to the measure-

ment mode from other modes.

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