mbos8a_eng (13.03.2014)
- 30 -
Kompetent für Elektroniksysteme
mbos8a_eng (13.03.2014)
- 31 -
Kompetent für Elektroniksysteme
Adjustment Instructions
The AF levels have already been correctly preadjusted ex factory. If necessary please
follow these instructions.
1)
Adjustment RX inputs (radio channels 1..8)
(receiving radio)
a)
At the
RX-input radio channel 1 ( and 2-8)
feed in the AF level
provided by the radio device at
1000 Hz
.
b)
Select
radio channel 1 (2-8)
c)
Connect the level meter to the RX-AF-output
H_Sum
(ST15/pin6)
(GND
is
MP0).
d)
Adjust the level with potentiometer
P12 (P13 - P19)
.
The level should be
500mVeff (=-3,8 dBm)
.
e)
After finishing the adjustment:
repeat steps a) to d) correspondingly for the
radio channels 2 to 8.
2)
Adjustment TX outputs (radio channels 1..8)
(transmitting radio)
a)
Connect the level meter and the radio device at the
TX output radio
channel 1(2-8).
b)
Transmit
encoder 1 (1750Hz)
on
radio channel 1(2-8).
c)
Adjust the level with the potentiometer
P1 (P2 - P8)
.
d)
After finishing the adjustment:
repeat steps a) to d) correspondingly for the
radio channels 2 to 8.
Summary of Contents for Major BOS 8a
Page 1: ...Major BOS 8a...
