Tektronix 2235 - Chec Ks

P erformance
Check Procedure-2235 Service
h . CHECK-Dis p lay is n ot triggered (no
trace) at either

e . CHECK-READY LED goes out and α
single
swee p
extreme of rotation .

occurs .
4 . Check Single SweepO p eration
α . Adjust the Α T RIGGER LEVEL control to obtain α sta-

NOTE
b le display .
Th
e
Α INTENSITY contr ol may requi r e ad j ustment to
observe t he single-swee p trace .
b . Set
:
Channel 1 AC-GND-DC

GND

f . P ress in the SGL S WP button several times .
Α SOURCE

ΙΝΤ
g .
CHECK-Single-sweep trace occurs, and the READY
c .
P ress in t he SGL S WP button . The READY
LED

LED illuminates b riefly every time the SGL S WP button is
should illuminate and remain on .

p ressed in and released .
d .
Set the Channel 1 AC-GND-DC switch to DC .

h . Disconnect the test e q ui p ment from the instrument .