CALAMP WIRELESS NETWORKS INC. BDD4T881 ユーザーズマニュアル
120 20170-200
Paragon
PD
Technical Manual
23
Table 8 - Typical Carrier Modulation
Carrier Modulation
Full Channel
Network Speed
(b/s)
Typical deviation in kHz
TX test tone in ( )
25600
± 4.0
(1000 Hz)
S
RRC4
F
S
K
19200
± 4.7
(1000 Hz)
This function is frequently used for checking
frequency deviation.
frequency deviation.
Press the TXON (Modulated) button to be-
gin transmitting a modulated test signal for
30 seconds or until pressed again.
gin transmitting a modulated test signal for
30 seconds or until pressed again.
The time remaining to test transmit is dis-
played on the status bar.
played on the status bar.
4.4.4.3 Ping
Button
The Ping function checks connectivity by testing
the ability of Paragon
the ability of Paragon
PD
to communicate with a
mobile unit by sending a short transmission
query and receiving a confirming response.
query and receiving a confirming response.
1- Specify the ping address (section 4.4.4.4)
2- Press the Ping button to start ping testing.
2- Press the Ping button to start ping testing.
The time remaining to test transmit is dis-
played on the status bar.
played on the status bar.
3- The program sends a test query and contin-
ues transmitting pings at brief intervals.
As soon as a Ping test signal is returned from the
address selected, the status bar displays:
address selected, the status bar displays:
•
“Ping Successful” and pinging stops.
•
If no ping signal is received after 60 sec-
onds, ping testing stops and the status bar
displays “Ping Failed”.
displays “Ping Failed”.
4.4.4.4 Ping
addresses
Addresses may be entered by typing directly in
the “Ping Address” field as an “Alpha-Mapped-
Nibble” (AMN) address for mobiles, consisting
of upper case letters in the range A-P. The valid
address range is A to GN (8 characters max.).
the “Ping Address” field as an “Alpha-Mapped-
Nibble” (AMN) address for mobiles, consisting
of upper case letters in the range A-P. The valid
address range is A to GN (8 characters max.).
The program may display one of the following
messages on the status bar:
messages on the status bar:
“Ping address is not in AMN or number format”
or
or
“Ping address is not in the range A – GN”
In either case, check that the address entered is
within the acceptable range, is of a valid format
and correctly typed.
within the acceptable range, is of a valid format
and correctly typed.
4.4.4.5
Flatness test button
This complimentary feature has been added to
support the Paragon
support the Paragon
PD
radio’s low-frequency
balance adjustment.
Tests generate a square wave at a frequency of
100 Hz.
100 Hz.
Press the Flatness test button to transmit a
square wave test signal for 30 seconds or until
pressed again.
square wave test signal for 30 seconds or until
pressed again.
The time remaining to test transmit is displayed
on the status bar.
on the status bar.
4.4.4.6
Random data test
Random data test transmissions are used for
checking low-frequency balance.
checking low-frequency balance.
Refer to Table 10, at the “Low Frequency
Balance” (step 7).
Balance” (step 7).
Random data test requires the use of an IFR
COM-120B service monitor with option 03:
30KHz IF filter and its DC coupled demodulator
output selected.
Press the Random data test button to generate a
test signal on the channel selected for 30 seconds
or until pressed again.
COM-120B service monitor with option 03:
30KHz IF filter and its DC coupled demodulator
output selected.
Press the Random data test button to generate a
test signal on the channel selected for 30 seconds
or until pressed again.
The time remaining to test transmit is displayed
on the status bar.
on the status bar.