7
Control, Indicator Or Connector
Index Number
Function
DATA ENTRY keys:
0 – 9 keys
. key
- key
V/GHz key
mV/MHz key
kHz key
%Hz key
dBm key
DEL(↑) key
CLR(↓) key
RAD/ENTER
9
Number entry keys.
Select decimal point during data entry.
Prefix for negative quantity.
Selects volts or gigahertz units.
Selects millivolts or megahertz units.
Selects kilohertz units.
Selects percent or Hertz units.
Selects decibels referenced to 1 milliwatt.
Deletes the last entered digit, or increments parameter.
Clears errors or current data entry, or decrements parameter.
Selects radians or unitless number termination.
High-pass Hz keys:
<10/THRU
30/CCIR
300/CCITT
3000/C-MSG
ALT
10
Selects the < 10 Hz high-pass or THRU bandpass filter.
Selects the 30 Hz high-pass or CCIR bandpass filter.
Selects the 300 Hz high-pass or CCIIT bandpass filter.
Selects the 3000 Hz high-pass or C-MSG bandpass filter.
Toggles filter selection from high-pass to bandpass.
Low-pass Hz keys:
3
15
20
50
220
11
Selects the 3 kHz low-pass filter.
Selects the 15 kHz low-pass filter.
Selects the 20 kHz low-pass filter.
Selects the 50 kHz low-pass filter.
Selects the 220 kHz low-pass filter.
De-emphasis uS keys:
25
50
75
750
OFF
12
Selects the 25 us de-emphasis filter.
Selects the 50 us de-emphasis filter.
Selects the 75 us de-emphasis filter.
Selects the 750 us de-emphasis filter.
Deselects the de-emphasis filters.
SINAD key
13
Selects SINAD audio distortion measurement.
FREQ (audio)
14
Selects audio frequency as the active function.
Use before setting audio frequency for SINAD measurements, or to activate the
audio frequency display.
