PREPARATION FOR USE
SK-8402
取扱説明書(英文)
_P18
18
1. Inspection of Check Harness and Test Lead
●
Inspection for Test Lead
①
Connect red and black L-shaped plugs of the test
lead to red (
+
) and black (
−
) input terminals.
②
Connect red and black test pins to the red and
black straight plugs respectively.
Inspect whether test lead and check harness are not
disconnected in accordance with the following procedures.
Red test lead L-shaped plug
Black test lead
straight plug
Red test lead
straight plug
Black test pin
Red test pin
Black test lead L-shaped plug
③
Press POWER Key for 1 second or more to turn on
the instrument. It enters stand-by mode for cable
connection check.
④
Press SEL Key for 1 second or more to enter
simulation test mode for zirconia O2 sensor.
lights up on LCD.
S
⑤
Press TEST Key for 1 second or less with short-
circuiting red and black test pins to output RICH
signal.
RICH
Z
S
APO
Press TEST Key for 1 second or less with contacting
the tips of red and black test pins.
O
2
SENSOR CHECKER
SK-8402
TEST
SEL