Hanna-instruments HI 9828 Manual de usuario descargar pdf (Pagina 24)

TDS unit

TDS readings can be displayed in ppm-ppt or mg/L-g/L unit. Press MODIFY to

select the desired option.

Average length

In order to obtain an average and more repre-

sentative measurement with unstable samples, set

a reading repetition number for the displayed

parameters.

To select the desired average length, press

MODIFY. The value can be set from 1 to 30.

Key beep

If enabled, the meter emits an acoustical signal

every time a key is pressed.

Error beep

If enabled, the meter emits an acoustical signal

every time a wrong key is pressed, or when some

particular errors occur.

Decimal separator

It is possible to select the type of decimal separa-

tor: dot or comma; press MODIFY to select the

desired symbol.

LCD contrast

For setting the LCD contrast, select the corre-

sponding setup item and press MODIFY. An hori-

zontal bar will be displayed. Use the arrow keys

to modify the contrast and then press OK.

Password

To enable the password proceed as follows:

• Press MODIFY to select the password setup item.

• Insert the desired password in the text box and press OK.

NONO

TETE

TE While typing, the characters are masked with “*” (star) symbol.

• The meter will ask to confirm. Type again the same password and then press

OK to confirm.

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Hanna-instruments HI 9828 Manual de usuario Pagina 24