Keypad; Terminals - Mastech MS8268 Instruction Manual

2.3 Keypad

2.3 2.3 2.3 Keypad Keypad Keypad
See Table 2 indicated for information about the keypad
operations.
Table Table Table 2. 2. 2. 2. Keypad Keypad Keypad
Table Keypad
Key Key Key Key Function Function Function Function
1. Press RANGE
RANGE V~, , , , V V V V V~ , , , , Ω Ω Ω Ω , , , ,
RANGE RANGE RANGE V~ V~
manual ranging mode.
mA mA mA mA and and and and µ µ µ µ A A A A
2. Press RANGE
3. Press and hold RANGE
SELECT
SELECT SELECT SELECT
Switches between Diode Test
and Continuity check.
A A A A , , , , mA mA and mA mA and and and Switches between dc and ac
µ µ µ µ A A A A
current.
Disables automatic power-off
Power-up
Power-up Power-up Power-up feature.
Option Option Option Option
REL REL REL REL Press REL
Any Any Any switch Any switch switch switch
the
position position position position
mode.
Hz/ / / / % % % % Hz Hz V~, , , , A A A A , , , , V~ V~ mA mA 1 Press to start the frequency
Hz V~ mA mA
counter.
and and µ µ µ µ A A A A . . . . and and
2 Press again to enter duty
cycle (duty factor) mode.
3 Press again to exit the
frequency counter mode.
9
Operation Operation Operation Operation performed performed performed performed
RANGE to enter the RANGE RANGE
RANGE RANGE RANGE to step
through the ranges
available for the selected
function.
RANGE for RANGE RANGE
2 seconds to return to
autoranging.
REL REL REL to enter and exit
Relative measurement
Table Table Table Table 2. 2. 2. 2. Keypad Keypad( ( ( ( continued Keypad Keypad
Key Key Function Function
Key Key Function Function
HOLD HOLD HOLD HOLD Any switch Any Any Any switch switch switch Press HOLD
position position position position the Data Hold mode.
Press to turn the backlight on.
Any Any Any Any switch switch switch switch
LIGHT LIGHT LIGHT LIGHT
The backlight will be auto-off
position position position position
about 5 seconds later.

2. 2. 2. 2.4 4 4 4 Terminals

Terminals Terminals Terminals
See Table 4 indicated for information about the terminals.
Table Table Table Table 4. 4. 4. 4. Terminals Terminals Terminals Terminals
Terminal Terminal Terminal Terminal Description Description Description Description
Return terminal for all measurements.
（Receiving the black test lead or the "com"
COM COM
COM COM
plug of the special multi-function socket）
Input for voltage, resistance, capacitance,
frequency, diode
measurements. (Receiving the red test lead
V V V V Ω Ω Ω Ω Hz Hz
Hz Hz
or the "+" plug of the special multi-function
socket).
Input for hFE and 0.001mA to 400mA
current measurements. （Receiving the red
hFE µ µ µ µ A A A A hFE hFE
hFE
mA mA mA mA test lead or the "+" plug of the special
multi-function socket）
Input for 400mA
measurements. (Receiving the red test
10 10 10A A A A 10
lead).
10
continued continued) ) ) ) continued
Operation Operation performed performed
Operation performed Operation performed
HOLD HOLD HOLD to enter and exit
and continuity
to 10A current