7. A d j u s t the frequency and output voltage of the
signal generator to 50kHz and 3V respectively to
set the range of the V T - 1 7 3 to 3 V . Control TC101
© so t h a t the meter reads the f u l l scale.
8. Repeat steps f r o m 5 to 7.
9. F u l l y rotate V R 2 0 1 •© clockwise and V R 2 0 2 ®
counterclockwise.
10. Set the frequency and output voltage of the signal
generator to 1kHZ and approx. 120mV respectively.
Set the M O D E selector s w i t c h (3) of the V T - 1 7 3 to
A U T O position.
11. A d j u s t the measurement range of the V T - 1 7 3 to
100mV w i t h the D O W N s w i t c h ® and
U P
s w i t c h © .
12. Control the R E L A T I V E R E F © so t h a t the meter
reads 102mV.
13. R o t a t e V R 2 0 1 © counterclockwise s l o w l y u n t i l l the
measurement range is changed into 300mV.
14. Control the R E L A T I V E R E F © so t h a t the meter
reads approx. 8 0 m V , then set the measurement
range to 100mV w i t h the D O W N s w i t c h ® .
15. R o t a t e the R E L A T I V E R E F © clockwise s l o w l y and
check t h a t the
measurement
range is a u t o m a t i c a l l y
changed into 300mV range when the meter reads
102mV.
16. Control the R E L A T I V E R E F © so t h a t the meter
reads 75mV in the 300mV range.
17. R o t a t e V R 2 0 2 © s l o w l y until the measurement
range is changed into 100mV range.
18. R o t a t e the R E L A T I V E R E F © clockwise s l o w l y un-
t i l the measurement range is a u t o m a t i c a l l y changed
into 300mV range, T h e n , rotate it counterclockwise
s l o w l y and check t h a t the measurement range is
a u t o m a t i c a l l y changed into 100mV range when the
meter reads 7 5 m V .
- 1 5 -
