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Figure 63 User Configuration – Modem Mode
Mode Setting
allows for
Modem or
Loader (analog)
operation.
Morse Code
identifier.
Click Link
Configuration
for additional
settings.
- The PTT Watchdog performs the same function as in the T-96SR. This can be adjusted or left at factory default.
- Information and real-time diagnostics are available in this window.
- CWID is a feature not available on the T-96SR. Station or license call signs can be transmitted at selected intervals.
This feature is used when the analog system shares a "voice channel" with another system and is required to
identify itself using Morse code.
- CSMA (Carrier-Sense Multiple Access) is a feature added to the Guardian that is not available on the T-96SR.
o This feature allows the radio to monitor the RF channel for activity.
o There are two modes to select from when CSMA mode is enabled:
• No Tx when the radio/modem is receiving valid user data.
• No Tx when the radio/modem is receiving an RF carrier.
See the previous figure.
- There is a new feature added to the Guardian that allows the radio to be used as a modem (T-96SR compatible) or
to be used as an analog radio (DL-3400 compatible). For this application only the "Modem" mode will be used
(previous figure).
LINK CONFIGURATION
Click Link Configuration to access the modem settings. This is the window where you set the RF channel frequencies
and Loader settings. See the following figure.
Guardian™ Serial Modem or Analog Radio for Licensed Spectrum PN 001-5006-000 Rev. 3
ID can be
adjusted as
required.
Used to prevent
radio from
transmitting
over the top of
another radio
or signal.
| Page 85
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