Installation and Operating Instructions - Crompton Instruments

FRONT PANEL CONTROLS
There are four ‘soft-touch’ control keys on the front panel; these are detailed below.
Menu Navigation Keys
These keys are used to
move up or down the SPR
menu, or to increase or
decrease a numerical value.
UP
DOWN
ESCAPE
ENTER
This key cancels an
operation or quits the menu.
Returns to previous level.
This key is used to access
the menu and to accept a
data entry.
LCD contrast control
LCD contrast adjustment may be necessary upon installation to obtain the clearest display, and
may also be used to compensate for the viewing angle. The display contrast automatically
compensates for ambient temperature changes.
If the display has poor contrast or is not showing text, the contrast can be adjusted. While the
RELAY STATUS screen is being displayed, press and hold the UP or the DOWN key on the unit
front panel. The contrast is increased using the DOWN key, and decreased using the UP key.
IMPORTANT: This adjustment only works when the RELAY STATUS screen is displayed. NOTE:
The display may go blank if the adjustment is set to extremes.
Any changes that you make will become the default setting.
MAIN MENU
Pressing the ESCAPE key will bring up the main menu display. You can navigate through the
available selections using the UP and DOWN keys. The flashing cursor indicates the active line,
and pressing ENTER on the active line takes you into that selected menu or function.
(Note that in this manual, a white character on a black background indicates where the flashing
cursor is located).
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