Iwatsu SS-521 Instruction Manual page 32

Parts Names and Functions
Key and LEDs
The key is used to perform demagnetization and zero-
adjustment, while the LEDs indicate the device status.
DEMAG/AUTO ZERO LED
Slow flashing orange:
Before demagnetization and zero-
adjustment (when either can be performed),
after an overload is detected, and when
demagnetization could not be completed
successfully
Lit up continuously, orange:
During demagnetization and zero-adjustment
Off:
After demagnetization and zero-adjustment
JAW UNLOCKED LED
Lit up continuously, red:
When the sensor head
is unlocked
POWER LED
Lit up continuously,
green: When energized
OVERLOAD LED
Slow flashing red: There is no margin remaining until the
Fast flashing red: The rating is being exceeded.
28
maximum rated current.
Exercise care so as not to exceed the rating.
Remove the sensor from the measurement
target immediately.
DEMAG/AUTO
ZERO key (p. 37)
Performs
demagnetization and
zero-adjustment.
Long press
(Approx. 1 sec.):
Demagnetization
and zero-adjustment
Short press
(Within 0.5 sec.):
Zero-adjustment only