Tektronix DM505 Instruction Manual page 74

CHECK POWER SUPPLIES
A C CURRENT
' 7
CHECK
DC VOLTS
'-4
CHECK AC VOLTS
Q
I
CHECK DC CURRENT
I
NOTE: THE DM 505 AC CURRENT
READING WILL
BE SLIGHTLY
HIGHER
(4
TO 6 COUNTS) FOR FULL
SCALE AT HIGHER FREQUENCIES
(1
k TO
10 kHx).
THIS
tS DUE TO
VERY LOW SOURCE IMPEDANCE OF
CURRENT SHUNTS, WHICH IS
NOT
AFFECTED BY STRAY CAPACi-
TANCE TO THE SAME EXTENT AS
AC
VOLTAGES FROM THE ATTEN-
UATOR NETWORK.
SZ-L-3
CORRECT
S2-k-1, 2 , 3
C H E C K C U R R E N T
SHUNTS R1425, R1426,
AND R1521