Dwyer 2500 - Manual (Page 6)

949-1190-1 Page 6 December, 1998
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FRONT PANEL KEY FUNCTIONS
Set Point Lamp Alarm Lamp
Temperature Display °F Indicator
°C Indicator
Set Point Display
Decimal point on
lower display flashes The °F/°C indicator
while ramping func- will flash while Self-
tion is active. Tune is operating.
Key functions are as follows:
INDEX: Pressing the INDEX key advances the display to the
next menu item. May also be used in conjunction with other keys
as noted below.
UP ARROW: Increments a value, changes a menu item, or
selects the item to ON. The maximum value obtainable is 9999
or 999.9.
DOWN ARROW: Decrements a value, changes a menu item,
or selects the item to OFF. The minimum value obtainable is -
1999 or -199.9.
ENTER: Pressing ENTER stores the value or the item changed.
If not pressed, the previously stored value or item will be
retained. The display will flash once when ENTER is pressed.
UP ARROW & ENTER: Pressing these keys simultaneously brings
up the secondary menu starting at the alarm, tune, or cycle item
(depending on programming). Pressing these keys for 5 seconds will
bring up the secure menu.
INDEX & DOWN ARROW: Pressing these keys simultaneously will
allow backing up one menu item, or if at the first menu item they will
cause the display to return to the primary menu. If an alarm condition
has occurred, these keys may be used to reset the alarm.
INDEX & ENTER: Pressing these keys simultaneously and holding
them for 5 seconds allows recovery from the various error messages.
The following menu items will be reset:
ALiH: Alarm inhibit OPEn InP: Thermocouple error message
bAd InP: RTD error message CHEC CAL: Check calibration error message
Correct the problems associated with the above conditions first
before using these reset keys. More than one error could be present.
Caution is advised since several items are reset at one time.