London Electronics EasyReader ER4S, Instruction Manual, Page: 17 / 24

Peak and Valley memory
The EasyReader-S continuously compares new incoming data with previous data and stores the
minimum and maximum values in Peak and Valley memories. You can view these values by
making a remote contact closure, or by pressing a button on the front panel of the display.
Front panel button viewing of peak and valley.
1) Connect the Peak/Valley terminal to the Common terminal - see connection page
2) Lock the display - see connection page
3) Press the UP arrow to sequentially view peak, valley and actual input values.
How to view the peak and valley with a remote contact closure
1) Lock the display - see connection page
2) Make a momentary contact closure between the Peak/Valley terminal and Common to
sequentially view peak, valley and actual input values.
Tare Command
If you want to force the display to 0, regardless of the actual incoming data value, you can do so with
the tare function. This is most often used in weighing applications.
Front panel Tare command
1) Connect the Tare terminal to the Common terminal - see connection page.
2) Lock the display - see connection page.
3) Press the front panel Tare button to tare the display to 0.
Tare command by remore contact closure
1) Lock the display -see connection page.
2) Make a momentary contact closure between the Tare terminal and Common to reset the
display to 0.
Reset Command
The reset command clears the Peak, Valley tare and latched alarm registers.
Front panel Reset command
1) Connect the Reset terminal to the Common terminal - see connection page.
2) Lock the display - see connection page.
3) Press the front panel Reset button to reset the peak/valley and tare.
Contact Closure RESET
1) Lock the display - see connection page.
2) Make a momentary contact closure between the Reset terminal and Common to reset the
peak/valley and tare.
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