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55
54
mg/l (ppm) mode——
P5.0: Adjusting LCD brightness
This mode lets you adjust the brightness of the backlit LCD. Selecting a dimmer
backlighting level helps conserve batteries.
8.17
From measurement mode:
1.
Press the MODE key
to select mg/l
(ppm) mode.
2.
Press SETUP key
to enter SETUP mode.
3.
Press the
▲
and
▼
keys
to scroll through
subgroups until you view parameter P5.0
in the lower display.
See figure
4.
Press the ENTER key
. A number (0-8)
appears in the upper display and “LCd”
appears in the lower display.
See figure
6.
Press the
▲
and
▼
keys
to select
from level 0 (dimmest light) to level 8
(brightest light).
6.
Press the ENTER key
to confirm selec-
tion and to return to the subgroup menu.
Press the CAL/MEAS key to return to
measurement mode.
SETUP
SETUP
A
A
B
B
mg/l (ppm) mode—
P6.0: Resetting to factory default
settings
This program lets you reset all parameters to factory default settings. This clears all
calibration data, memory, and any other setup functions you might have changed.
The LCD contrast setting will be reset to 8 (the maximum setting). However, the
following settings will remain as you have set them:
• temperature unit of measure (°C or °F)
• the temperature offset calibration value
• pH calibration data and set parameters
SETUP
A
SETUP
SETUP
B
8.18
From measurement mode:
1.
Press the MODE key
to select mg/l
(ppm) mode.
2.
Press SETUP key
to enter SETUP mode.
3.
Press the
▲
and
▼
keys
to scroll through
subgroups until you view parameter P6.0
in the lower display.
See figure
4.
Press the ENTER key
.
See figure
5.
Press the
▲
and
▼
keys
to toggle
between NO and YES.
• NO retains current settings
• YES resets to factory default settings
6.
Press the ENTER key
to confirm
selection and to return to measurement
mode.
A
B
NOTES:
To reset all pH data, see page 38.
To reset all % saturation data, see page 46.
See page 68 for a table of factory default settings.