YOKOGAWA PH202G (S), User Manual

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IM 12B07D02-01E
4-2 Operation
Figure 4-1. PH202 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.
AUT.CAL
MAN.CAL
DISP
SETPOINT
WASH
MAN.IMP
TEMP
HOLD
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 > & ^ keys, press ENT to confirm
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.
OUTPUT
SET HOLD
SERVICE
ENT
HOLD FAIL
YES NO
ENT
MAN.CAL
DISPLAY
HOLD
NO MODE YES
YOKOGAWA
MODE
TEMP
AUT.CAL
TEMP.MAN.
pH
mV
MEASURE
WASH
Output hold flag
Manual temperature
compensation 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