Figure 6-2 - Impulse Noise Parameters Selection/Display - AMERITECH AM5 Instruction Manual

AM5(e) Classic Instruction Manual
Press to select and step through
parameters and back to
measure display (Figure 6-1)
SEND
PARAM
SEL
MEAS
DISPLAY
Selects flashing mode.
Press to
increase or
decrease
value.
To change any single digit
of parameter, press the
left-arrow key then use the
up- or down-arrow keys in
the flashing-digit mode.
DO NOT CHANGE
PARAMETERS WHILE
TEST IS RUNNING
To last-displayed measure-
ment (Figure 6-1).
Figure 6-2 — Impulse Noise Parameters Selection/Display
7. The left display will identify the parameter and the right display will
show the value. Each time the PARAMeter SELect key is pressed,
additional parameters are displayed as shown below:
Display Parameter
dur duration
iTHd impulse (low-level) (AM5)
threshold
idLT impulse delta
(interval between low, medium
and high thresholds)
bLnC blanking interval
8. After all parameters have been displayed, the last selected measurement
will be displayed (Figure 6-1). (See steps 3 and 4).
9. To set a different parameter press the PARAMeter SELect key until the
parameter is identified in the left window.
November 19, 1997
(18-0047)
The IMP NOISE or IMP N W/T parameters are displayed as
PARAM SELect is pressed. Default examples below:
dB
dBm
d B r n
mSEC
HOLD TONE
dBm
d B r n
mSEC
dB
mSEC
Range <default>
0.1 <15.0> 999.9
20 <68.0> 110
(AM5e ) –70 <–22> 20
2, <4>, 6
0.0 <125> 255
Page 6-11
MEASURE FUNCTIONS
AM5e LED and default value
AM5 LED and default value
LED
MIN
dBrn
dBm
dB
mSEC
KHz
SEC
MIN
CNT
10/31/94