Wahl DST500-FM User Manual - page 8
DST500-FM USER MANUAL
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6 Operation
6.1 Scale Selection °F/°C – Temperature scale is user selectable via jumper J8
(Fig. 4) on the Printed Circuit Board (PCB). The scale is indicated in the
upper right corner of the display (Fig. 3.)
6.2 Making measurements - With the batteries installed and probe connected
the meter automatically updates the display with the most recent
measurement. Factory default for measurement LCD Refresh
(sample/display) rate is set to 8 for a 2 second update.
6.3
Error Codes - During normal operation, the DST500-FM continually
performs diagnostic testing on the sensor lines. Errors are indicated
by the following error codes:
Error Code Description
HI
Reading is above meters usable range
LO
Reading is below meters usable range or sensor is shorted
CbL1
Indicates cable 1 is open (J1 pin 1)
CbL2
Indicates cable 2 is open (J1 pin 2)
CbL3
Indicates cable 3 is open (J1 pin 3)
CbL4
Indicates cable 4 is open (J1 pin 4), or open sensor
- - - - -
Indicates Low Battery Shutdown Mode
°F/°C Jumper
J8
Pin 1
Calibration
Port
Battery Positive
Terminal
PCB
Ground Wire
-EXCITE
+EXCIT
-RTD
+RTD
J1/P1
Fig. 4