2. explanation of operating keys, 2. explanation of operating keys -2 – Yokogawa EXA SC202 2-Wire Conductivity Transmitter/Analyzer User Manual

Page 44

Advertising
background image

IM 12D08B02-01E

4-2 Operation

Figure 4-1. SC202 operator interface

4-2. Explanation of operating keys
MODE key

This key toggles between the measuring and maintenance modes. Press once to obtain

access to the maintenance function menu.

CALIB

DISP.1

DISP.2 - (Only when second temp. compensation enabled)

HOLD - (only when enabled)

Press again to return to the measuring mode (press twice when hold is activated).

YES/NO keys

These are used to select choices from the menu.

YES is used to accept a menu selection.

NO is used to reject a selection, or to move ahead to the next option.

DATA ENTRY keys (

)

is used as a “cursor” key. Each press on this key moves the cursor or flashing digit

one place to the right. This is used to select the digit to be changed when entering

numerical data.

is used to change the value of a selected digit. Each press on this key increases

the value by one unit. The value can not be decreased, so in order to obtain a

lower value, increase past nine to zero, then increase to the required number.

When the required value has been set using the > and ^ keys, press ENT to con-

firm the data entry. Please note that the EXA does not register any change of data

until the ENT key is pressed.

* key

This is the commissioning mode key. It is used to obtain access to the commissioning

menu. This can only be done with the cover removed or opened. Once this button has

been used to initiate the commissioning menu, follow the prompts and use the other

keys as described above.

ENT

HOLD

FAIL

YES NO

ENT

NO

MODE

YES

MODE

MEASURE
CAL
DISPLAY

HOLD

OUTPUT
SET HOLD
TEMP.

SERVICE

Output hold flag

Fail flag

Menu pointer flags

Commissioning

function menu

Commissioning

mode access key

Measure/Maintenance

mode key

Broken line indicates area

that can be seen through

front cover

Adjustment keys

> : Choose digit to

adjust

^ : Adjust digit

ENT : Confirm change

Selection keys

YES : Accept setting

NO : Change setting

Key prompt flags

Message display

Main display

Units

Advertising