Tektronix 2212

Adjusbnent Procedures
5-28
f. Set: Store MODE to ON.
Change input signal to maximum picture level.
Adjust:
ST. CLAMP GAIN so that the black level is at the
graticule center.
Set: Store MODE to Off.
NOTE
During point c. to f of the clamp adjustment, CH 2 POSITION
control must NOT be changed!
Step 6. Trigger sensitivity
a. Set:
Q-I 2 VOLTS/DIV to 0.2 V
Select: 100% color bars from the TSG-100.
Adjust:
Q-I 2 V ARiable for a display of four divisions
composite video signal, including sync.pulses and
chrominance signal.
b. Set: CH 2 VOLTS/DIV to > 1 V
c. Check for a stable triggered display.
DIGITAL CONTROL BOARD AlS
I
ST. CLAMP CLAMP CLAMP
GAIN GAIN OFFSET
0 0 0
I
FRONT
Figure 5-6: Location of Video Controls
Revised 3/93
Adjustment