NGT-200 USER MANUAL
NGT-200 UM.E 20210520-02
18
Tester is capable to receive DSC message of
Individual call
category with any MMSI
address.
Wait for signal -
Tester is ready to
receive DSC message.
Att: 00 dB X -
selected attenuation of
internal
attenuator; range: 0…93 dB.
Attenuation
is
taken
into
account
automatically.
X
– corresponds to the selected measurement
configuration:
¥-
Antenna / A-Attenuator.
Optimal input signal level is: -30 dBm.
Example of Att calculation:
If you need to measure Power of 150W or
51.76 dBm with an external Att of 40 dB
then the internal attenuation shall be:
51.76 dBm – 40dB – (-30) dBm = 42 dB.
Tester’s input Power level:
Pin = 51.76 -40 -42 = -30.24 dBm – it is
OK.
After receipt of message the
following information will appear:
MMSI:
413999333 -
MMSI code of the
sender;
Format: Individual
– format specifier;
Categ: Safety
– Category selected
(108) ;
CRC: OK
– control sum; if the CRC
received in message and the CRC calculated
by the Tester coincide, then
OK
is shown,
otherwise it will display:
Bad
;
To: 413999997
– MMSI of the Tester;
Save – F2 Prof:x
↓↑
- to save received information to memory in
selected profile press
F2
; profile number is
set up automatically;
- to receive messages again press
Enter
;
- to navigate the screens use buttons
▼
,
▲
.
=MF/HF:ReceiveDSC=
Wait for signal
Att: 00 dB X
=MF/HF:ReceiveDSC=
MMSI: 413999333
Format: Individual
Categ: Safety
CRC: OK
To: 413999997
Save– F2 Prof:3
↓↑