Promax PROLITE-50 Serie Manual De Instrucciones página 89

USER'S MANUAL. PROLITE-50
Use [ ] and [
NOTE: There are five predefined pulse widths: 30 ns, 100 ns, 275 ns, 1.0 us and 2.5
us.
«Auto» means the default settings.
When Range is set to «Auto», pulse width will automatically become «Auto».
•
Average Time Configuration
Average time will affect the SNR directly. The longer the average time is, the
higher SNR is, as well as dynamic range. Therefore, in case of measurement of long-
distance optic fiber, long average time should be selected in order to review events at
long-distance end.
Under parameter configuration, use [
press Enter to confirm, as shown in figure 5.7. Press [
01-2006
Ra n g e Aut o
3 0 n s
Aut o
Pu l s e Wi d t h
100ns
100 ns
Av e . T i me 30s
275ns
275 ns
1. 0us
Wa v e l e n g t h 1550 nm
1 . 0us
2. 5us
Me a s . Mo d e
Av e r a g i n g
2 . 5us
I OR
1. 4659
Sc a t . Co e f .
- 51 . 50dB
Nr e f l . T h r e . 0. 20 dB
Re f l . T h r e .
- 52 . 00dB
En d T h r e. 3. 00 dB
12Km/ Di v 3 .5 0 d B/ D i v
De l e t e F i l e
3 0s
3 0 s
Ave. Ti m e :
T i me ( y - m- d ) 2005- 05- 27 10: 30: 20
8 0 km
Range : 8 0 km
I OR : 1. 4659
Figure 5.6.- Average Time Configuration
] to highlight pulse width; Press [Enter] to confirm.
3 0 n s
t ra ce 1 .t rc 1 5 : 2 0
2 5 0 0n s
Pu l se w i d t h : 2 5 0 0 n s
W avel engt h : 1550 nm
] and [ ] to highlight "Average time";
] to exit.
A
B
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