Qianjin Electronic OT86-4F User Manual - Caution
6
5.4. Operation Explanations of Right Key::
Press the right key, the following information will pop up:
1(note2)
Module:
OT860-4F
Product model
Option range
2
MANUF Date:
Data of leaving factory
3
Module SN:
Series Number of Module
4
Laser Type:
Series Number of Laser
Note2:
This well change as your option
5.5. Connect the mixed RF signal to F port on the rear panel. The input level should
be within a range of 15-35dBmv. On condition that the distortion specification is
guaranteed. This equipment can automatically adjust the RF amplitude with in
8dB, if the RF signal is too big then 35dBm; you can adjust the attenuator on the
rear panel to reduce the RF signal from zero to 20 dB to improve CNR. Local
RF level can be tested from the -20dB port on front panel to get the actual
operating RF value.
6.
Caution
6.1. When you get the Transmitter check it,
once you find any problem, please
contact the product supplier as soon as possible.
6.2.
The transmitter should be properly grounded.
6.3.
For it running correctly you must wait for half an hour after turn on
6.4. The fiber FC/APC connector should be cleaned with absolute alcohol, to
minimize the additional loss or reflection caused by dust, which will affect the
specification. Connect the tail fiber to FC/APC socket on the rear panel, and
keep the fiber hanging down.
6.5. If the laser run well the green LED is on and will flash once a second. If it
becoming red means the laser is out of working. The ALARM red LED will flash
if there is any fault in this machine. When the problem is being solved the
transmitter will be operating constantly.
7. Complete List
a
.
OT86-4F Transmitter
one
b. Power-cord
one
c. User’s Manual
one