Branson Sonifier 250, User Manual, Page: 55 / 135

6-8 100-214-239 Rev. A
Operation
6.2.5 Menu Navigation
When the parameter selection menu is displayed, you can use the Page Up and Page Down arrows to navigate
up and down between the pages of the menu to locate the parameters you want to change. If there are more
menu options above the page currently displayed, the Page Up arrow LED is active. If there are menu options
below the current page, the Page Down arrow LED is active.
Select buttons, when their parameters are available, will have their LED lit. The Feature buttons and Arrow keys
will have their LEDs lit when those Features or options are active.
An error beep or tone will sound if a key that is unavailable is pressed, or if a parameter that is out-of-range has
been keyed in. The system will not accept out-of-range parameters.
CAUTION
j
The Start/Stop button LED is illuminated while the experiment cycle is active, even if ultra-
sonics is not currently On (i.e. during an ‘OFF’ period in a Pulsed mode). Be careful to not
touch the Horn when a cycle is active, as it may start without warning, and could cause injury.
Each menu line in the display shows a parameter whose value you can change, if its associated
Select
key LED
is lit. The parameter can have either a numeric value that you enter with the numeric keys, or a choice that you
select by toggling between a set of possible selections. You select a parameter for entry by pressing the Line
Select key next to it. Then you key in the desired numeric value using the numeric keys, or the appropriate choice
from a sub-menu using the Line Select keys.
When you press a Line Select key for a numeric parameter, the least significant digit of the parameter value
flashes, and the numeric keys become active. You can:
• Key in a new value for the parameter, replacing the old value.
• Correct the value you are entering by pressing the Clear key to erase the value.You also use
Clear to delete a parameter value to turn a parameter OFF.
• Press a different Line Select key to select a different parameter for entry, cancelling any
changes you have made to the first parameter.
• Press an active Page Up or Page Down arrow key to view a different page of the Parameter
Entry menu.
• Press the Enter key to store the new value, or to store a blank or an OFF value if you pressed
Clear.
When you begin entering a value, the old value is replaced in the display by the new one. Once you have started
entering a value, the other Line Select keys and the Page Up and Page Down keys become inactive. The Enter
key must be pressed to leave the selected parameter.
When you press a Line Select key for a parameter that is a choice such as Yes/No or On/Off, the available values
will be displayed in the menu. You select the desired value by pressing the Line Select key next to it and then
pressing Enter to accept the value. The display then returns to the menu.