4
4
2
1
6
7
9
8
4
5
3
5.
DISPLAY DESCRIPTION
3
2
5
6
Direct Current
Alternating Current
Negative DC Value
Auto Power Off
Auto Range Active
7
8
Data Hold
Diode Test
9
Continuity Test
6.
ROTARY SWITCH FUNCTIONS
4
Low Battery
12
Main Display
10
11
11
Resistance
DC/AC Current
DC/AC Voltage
2. AC Voltage:<600V
6
5
1. DC Voltage:<600V
1
4
5
6
7
8
9
2
3
1
10
11
12
DDM450
DDM450
1.
Turn rotary switch to DC voltage position.
2.
Connect leads across voltage source/load.
3.
Read voltage measurement on the display.
1.
Turn rotary switch to AC voltage position.
2.
Connect leads across voltage source/load.
3.
Read voltage measurement on the display.