28
3.3.
CHECKING AND ADJUSTING
The tolerances mentioned in this chapter only apply for a newly adjusted instrument and can deviate from
the values mentioned in chapter 1.2. TECHNICAL DATA.
The instrument only must be adjusted after a warming-up of at least 30 minutes at an ambient temperature
of +(23
±
3)0C.
If not indicated differently, the voltages given in this chapter are measured with respect to the circuit
earth (
.J..
0 ).
The following abbreviations are used for the various indications and measuring instruments:
Examples
X
pushbutton depressed
V (a.c.)
a.c. voltmeter
PM 24548
V (d.c.)
d.c. voltmeter
PM 2421
c
counter
PM 6620
D
distortion meter
HP 334A
0
oscilloscope
PM 3226
600.Q
600
n
load resistor
Max
maximum
Min
minimum
~seq
...
go to sequence ....
-
-
•
-
-
-
-
-
-
-
-
-
-