Jenway 3540 - Manual (Page 51)

right or left arrow keys can be used to move the highlight to the other digits which in
turn can be set, with the up or down arrow keys, to the desired level.
When all digits are set and the desired value displayed in the data entry box then
press the Enter key to confirm the setting. Press the Escape [ESC] key to return to
other menu levels or continue with the pH Calibration set up as follows.
Calibration Reminder Set Up…
To ensure correct calibration at routine intervals a calibration reminder can be set for
the pH channel (and independently for the Conductivity channel, see section 4.17).
The settings enable a variable time interval from 1 to 999 hours to be set. A visible
warning replaces the displayed reading when this time period has elapsed; it is also
possible to enable an audible warning if required.
Calibration Reminder Alarm on the pH Channel
To select the menu for setting the Calibration Reminder options press the up or down
arrow key to highlight Calibration Reminder Set up… in the pH Calibration Set Up
sub-menu, press the Enter key to display the screen below…
Calibration Reminder menu
Cal Reminder
The calibration reminder function can be enabled or disabled. The default condition is
disabled, to enable the calibration reminder press the down arrow key in the
Calibration Reminder sub-menu to highlight the Cal Reminder option; then press the
Enter key. The highlight will move across to the current setting, use the up or down
keys to toggle between the enabled and disabled options, press the Enter key to
select the desired option when it is highlighted on the display. Use the Escape [ESC]
key to return to other menu levels or continue with setting the Calibration Reminder
options as follows.
Cal Reminder Interval (Hr)
With the calibration reminder function enabled the Cal reminder interval becomes
effective as the period from the last calibration when the warning is displayed. The