10 TEGAM WAY • GENEVA, OHIO 44041 440-466-6100 • FAX 440-466-6110 • www.tegam.com
5-5
Section V – Maintenance and Servicing
13.
Using AVM-2000 OUTPUT LEVEL knob, adjust AVM-2000 for a + 10 (full scale positive) indication.
14.
Turn AVM-2000 RANGE knob one step clockwise and AVM-2000 LCD readout will indicate METER
GAIN -.
15.
Using AVM-2000 OUTPUT LEVEL knob, adjust AVM-2000 for a - 10 (full scale negative) indication.
16.
Turn AVM-2000 RANGE knob one step clockwise and AVM-2000 LCD readout will indicate OUTPUT
OFFSET.
17.
Using AVM-2000 OUTPUT LEVEL knob, adjust for a zero ±3 mV indication on the Digital Multimeter.
18.
Turn AVM-2000 RANGE knob one step clockwise.
19.
If AVM-2000 LCD indicates ZERO RANGE, simultaneously press OFFSET
▼
▲
buttons so that AVM-
2000 LCD readout indicates ZERO ALL, otherwise, proceed to next step.
NOTE: Auto Zero is a very time consuming process that does not always yield perfect results due to the
large number of ranges. The user may want to skip to manual zero process.
CAUTION:
Do not turn AVM-2000 RANGE switch clockwise again with the short attached. AVM-2000 could
be damaged if a reference voltage is selected with a short attached.
20.
Connect a short between AVM-2000 HI and LO terminals.
21.
Press AVM-2000 OUTPUT LEVEL knob.
22.
TI LCD will indicate a blinking ZERO ALL. When the ZERO ALL indication stops blinking, the zeroing
process is complete (approximately 10 minutes).
23.
Press AVM-2000 RANGE knob.
24.
Press AVM-2000 OPERATE/ZERO button to select IMPEDANCE: (a resistance value, not ZERO) as
indicated on AVM-2000 LCD.
25.
Press and hold AVM-2000 RANGE knob for approximately 5 seconds until AVM-2000 LCD indicates
METER OFFSET.
26.
Turn TI RANGE knob clockwise until AVM-2000 LCD indicates ZERO RANGE or ZERO ALL. If AVM-
2000 LCD indicates ZERO RANGE, simultaneously press OFFSET
▼
▲
buttons so that AVM-
2000LCD readout indicates ZERO ALL, otherwise, proceed to next step.
CAUTION:
Do not turn AVM-2000 RANGE switch clockwise again with the short attached. AVM-2000 could
be damaged if a reference voltage is selected with a short attached.
27.
Press AVM-2000 OUTPUT LEVEL knob.
28.
AVM-2000 LCD will indicate a blinking ZERO ALL. When the ZERO ALL indication stops blinking, the
zeroing process is complete (approximately 5 minutes).
29.
Press AVM-2000 RANGE knob.
