Philips pm2521 - Page 34

33
DESCRIPTION
APPLICATION
UP Manual UP-ranging pushbutton lx depress = 1 range up
DOWN Manual DOWN-ranging pushbutton lx depress = 1 range down
Function
v~
Hz Trigger
level
S °c X ft
i
<
£
E
A-r-r-r
A~
Range
200 mV 10 kHz
10 1 200 ft
2 m A
200 mA
2
V 100 kHz
2 V 10 2
2-V
2 kft 20 fiA 2 A
20
V 1 MHz
20 V
10 3
-60/ 20 kft 200 /iA 20 A
200 V 10 MHz 200 V
10 4
+200 200 kft
2 mA
2000
V
2000 V
10 5
2 Mft 20 mA
20 Mft
Display
4
41/2
5 3%
5
4'A
4%
4%
3%
+/-
dB (V~)
ZEROSET
+/-
dB (V~)
ZERO SET
ZERO SET
Multifunction pushbutton
+/— trigger level selection pushbutton
In function trigger level a selection can be made between the + or — trigger level. The
selected trigger level can be adjusted from zero to end of range with the thumbwheel.
Decibel (dBV~) mode and relative reference pushbutton. In function V~ the measured
value will be displayed in dB, when the pushbutton is depressed once.
When the pushbutton is depressed for the second time, the PM 2521 jumps to the relative
reference mode. The display will jump to zero dB. Each subsequent reading will indicate
the positive or negative deviation from the relative reference value. When the pushbutton
is depressed for the third time, the PM 2521 jumps to the V~ function again.
Relative reference pushbutton, for functions dB, El, -X and °C.
When the pushbutton is depressed the PM 2521 jumps to the relative reference mode. The
display will jump to zero. Each subsequent reading will indicate the positive, or negative
deviation from the relative reference value. To leave the relative reference mode depress
pushbutton ZERO SET again.
V