Checkout Procedure - Wavetek 75 Instruction Manual

Table 2-6. Checkout Procedure
Step
1
ControllSwitch
Power
PositionlOperation
Press On
ObservationlComments
Display indicates "WAVETEK MODEL 75".
I I
Adjust the LCD viewing control for best contrast.
- - -
-
This step verifies the "Reset" functions of the Model 75.
Press three times
Press once
Press once
2
Display indicates "RESET Ver x.xx".
Display indicates "RESET Ver x.xx X".
Setup
F2 (Reset)
F3 (Exec)
This step verifies the "Z-Axis" functions of the Model 75.
Setup
F2 (ZLOGIC)
Control knob
Control knob
F1 (ZLEVL)
Control knob
Control knob
Press once
Press once
Rotate until display
indicates "ZLOGIC
POS".
Rotate until display
indicates "ZLOGIC
NEG".
Press once
Rotate CW until
display indicates
"ZLEVEL 14V".
Rotate CCW to step
display through the
selectable settings.
Connect the Model 75 as shown in figure 2-10. Set
equipment controls as indicated in table 2-7.
Display indicates "ZLOGIC NEG" or "ZLOGIC POS".
Oscilloscope will indicate a dc level of 0 Vdc
+
1V
with positive-going pulses.
Oscilloscope will indicate a dc level of 2, 4, 6, 8, 10,
12, or 14 Vdc with negative-going pulses.
Oscilloscope will indicate a dc level of
+
14V
+_
1V
with negative-going pulses.
Oscilloscope will indicate the selected voltage
+_
1V
with negative-going pulses. Leave Setting at "ZLEVEL
2V".
This step sets the "Z-Axis Out" voltage level and polarity.
Control knob Rotate CW or CCW
to set acceptable
contrast between
trace and thumb-
tacks. Adjust oscillo-
scope intensity if
required.
Connect the Model 75 as shown in figure 2-1 1. Set
equipment controls as indicated in table 2-8.
If thumbtack intensity is too bright at
+
2V, terminate
the Z-axis cable with a 50Q load. If the thumbtacks are
dimmed instead of intensified, set ZLOGIC to POS.
Scans by ArtekMedia O 2006