2352 Walsh Ave. Santa Clara, CA 95051. U. S. A. Tel.: (408) 748-9100, Fax: (408) 748-9111
www.analogtechnologies.com
Copyrights 2000 – 2012, Analog Technologies, Inc. All Rights Reserved. Updated on 11/22/2012
3
Analog Technologies
VC480C
Multimeter
OPERATION
Table 3. Panel Description
1
Power switch/function switch: power ON/OFF the instrument and selects
functions. To save power, turn the switch to “OFF” when not in use.
2
LCD display: Display testing results and unit symbols.
3
Input terminal for the black test lead
4
Input terminal for the red test lead
5
Zero knob: Calibrate the zero readings in m
Ω
range.
6
“*” key: LCD backlight ON/OFF key
7
HOLD” key: Press to hold the current readings on the LCD. The LCD will display
“HOLD” symbol. Press again to cancel the data hold function.
8
Power indicator (LED)
9
Terminal of DC 9V AC adapter (
). It is used to connect to external power
source for power supply.
10
Shoulder strap locker: It's used to lock the shoulder strap so that the instrument can
be hung on the neck to save hands.
Instructions
1. The first time of operation, please make sure that there is enough power source. If not, open the battery door and put into 6
pcs of 5# batteries (refer to battery replacement). Note the batter polarities.
2. When connecting to an external AC adapter, the battery power supply will be shut off. Do not charge the batteries.
Note
: choose a correct power supply mode (
).
3. To ensure measurement accuracy, warm up the instrument for at least 10 seconds before operation.
4. Before measurement, make sure that the 4-wire test leads are safe and sound. Do not use broken test leads.
5. To check the instrument is working properly, test a resistor of known resistance before other measurements.
6. To avoid damage to instrument circuit, do not input voltage to the 4-wire test lead socket.
CAT
.Ⅲ 50V
