28
Configuration Using Display
(continued)
Step Four
STEP 5 - HOW TO SELECT FAIL-SAFE CURRENT OUTPUT (LOST)
In the event the sensor does not receive an echo, the Fail-Safe Current Output or
LOST
setting can be set to
output a current of
4mA
,
20mA
,
21mA
,
22mA
or
Hold
(last known value). During fail-safe, the display will
read
LOST
.
1. In TOP-LEVEL MENU mode, select
OUTPUT
.
2. Select
SAFE
.
3. Select
4mA
,
20mA
,
21mA
,
22mA
or
HOLD
.
a. Press and hold OK on the
selected setting for 3 seconds
then release.
b. To cancel
SAFE
, Select
EXIT
.
4. Select
EXIT
to return to TOP-LEVEL
MENU.