13. CON (Conventional) RPM Function:
Measures RPM on
vehicles with conventional ignition systems using an optional
inductive pickup. One range: 0-10,000 rpm.
14. COP RPM Function:
Measures RPM on vehicles with “Coil
On Plug” ignition systems. One range: 0 to 10,000 rpm.
15. RPM (Tach) Function:
Measures RPM. One range: 0 to
10,000 rpm.
16. Dwell Angle Function
:
Measures dwell angle of break-
er points.
17. OFF Function:
Turns unit “off” when function is selected.
18. Function/Range Selector Switch:
Selects desired function
or range.
19. Data HOLD Button:
Turns the Data Hold function “on” and
“off” (see “Auxiliary Functions” on page 17 for details).
20. MAX/MIN Record Function:
Turns the Maxim um
Value/Minimum Value Record Mode “on” and “off” (see
“Auxiliary Functions” on page 17 for details).
21. SEL (Select) Button:
Selects the desired function when the
Function/Range Selector Switch (item 18) is set to the
Resistance/Continuity/Diode position (item 3), ACmA/DCmA
position (item 9) or Clamp Current Position (item 11).
22. CYL (Cylinder) Button:
Selects the number of cylinders for
the vehicle under test when the Function/Range Selector
Switch (item 18) is set to the RPM (T ach) function (item 15)
or Dwell Angle function (item 16).
23. Volts, OHMS, DIODE, CONTINUITY and FREQUENCY
Input Jack.
24. COM Input Jack:
Common Input Jack.
25. 15A Input Jack
. For red test lead probe connection when
measuring high DC current (up to 15 amps only).
26. DWELL ANGLE, MS °C, °F, BAT, ACmA/DCmA, CLAMP
CURRENT, RPM and COP Input Jack.
27. Liquid Crystal Display (LCD):
Displays results of tests or
measurements.
Preparation and Caution Before Use
•
Inspect the Digital Automotive Tester for damage to the case.
Do not use if cr acked, distorted, excessively dirty or an y
abnormal condition exists.
•
Inspect the test leads f or damage. Check for cracked insula-
tion, broken or damaged probes, loose or bent probe pins. Do
not use if any abnormal condition exists.
•
Set the Function/Range Selector Switch to the proper r ange
BEFORE
taking measurements. If the r ange/function must
9
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