17
SECTION 1,
continued
Table 1 Keys and Description
Key
Description
Exit/Power On-Off
When power is off:
• Turns the instrument on and opens the most recently used reading mode.
In Reading mode:
• Turns the instrument off.
From other power modes:
• Exits the current mode and moves toward power off.
• Acts as a “no” answer when the question mark is flashing.
• Cancels the current operation without saving changes.
UP ARROW and
DOWN ARROW
Scroll between options in setup mode.
Scroll through data points in Store and Recall modes.
Scroll between the option to print or erase one data point and the option to print or
erase multiple data points.
READ/ENTER Accepts
numerical
input.
Acts as a “yes” answer when the question mark is flashing.
Allows user to edit a setup when the setup number is flashing.
Accepts the current setup option when that option is flashing.
Initiates a measurement when the meter has stabilized in the Display Lock
Enabled mode and during calibration.
RECALL
Recalls stored sample data of the current reading parameter type (from Reading
mode only).
STORE
Initiates storage of the displayed measurement (from Reading mode only).
ERASE
Erases recalled data points.
CON/TDS/SAL
Initiates conductivity reading. Toggles between conductivity, total dissolved solids,
and salinity.
pH/mV
Initiates pH reading. Toggles between pH and mV.
DO %
Initiates dissolved oxygen reading. Toggles between dissolved oxygen
concentrations displayed as % saturation and mg/L in Reading, Data Recall, and
Calibration Review modes.
Sends current or recalled data to a printer or a computer via the RS232 port on the
docking station. From Cal Review, prints current calibration data.
TIME
From Reading Mode, shows current time (one press) and date (two presses). In
Recall Data and Calibration Review modes, the key toggles between the time and
date of the stored measurement.
CAL
Enters Calibration mode (from Reading mode only).
REVIEW
Enters Calibration Review mode (from Reading mode only).
SETUP/CE
Enters setup mode (from Reading mode only).
Clears a numeric entry when the keypad icon is displayed.
LIGHT
Turns the backlight on and off.