Matco Tools ADMM50 Operating Instructions Manual page 10

8.
Temperature Function (Fahrenheit): Measures tempera-
ture in °F. Auto-ranging from -58°F to +752°F. (Optional "K-
Type" thermocouple required).
9.
Press SEL button (see item 19) to select desired function:
ACmA Function: Measures AC current in milliamps.
One range: 0 to 400 milliamps.
DCmA Function: Measures DC current in milliamps.
One range: 0 to 400 milliamps.
10.
15A Function: Measures DC current. One range: 15Amps
(DC from 0 to 15 amperes). Unfused.
11.
Clamp Current Function
current; optional Clamp adapter required.
12.
DIS RPM Function:
Distributorless Ignition Systems (DIS) using an optional
inductive pickup. One range: 0 to 10,000 rpm.
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
breaker 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:
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 (Tach) 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.
9
:
Measures RPM on vehicles with
: Measures dwell angle of
Turns the Maximum
Measures AC/DC