Jenway 3540 - Manual (Page 53)

An output from the rear panel sockets is also available to switch external audio/visual
alarms or for simple control/telemetry functions via external relays. Details of the
relevant connections for these outputs are contained in Section 10.6.
pH tab selected shows alarm bell is for pH channel
To enable the alarms and set the relevant high and low alarm levels press the down
arrow key in the pH Set Up menu to highlight Alarms Set Up…
pH Set Up menu – Alarms Set Up highlighted
Press the Enter key to display the Alarms Set Up menu as below…
Alarms Set Up Menu
5.41 Alarm Outputs
This option enables or disables all of the alarm functions and overrides the audible
alarm warning that can be separately disabled/enabled only when this function is
enabled.
To change the Alarm Outputs setting press the down arrow key to highlight Alarm
Outputs in the Alarms Set up menu then press the Enter key. The highlight will move
to the current setting. Use the up or down arrow keys to toggle between Disabled (the
default setting) and Enabled, press the Enter key to select your preferred setting