User manual

Wide-AC: Wide Band AC-Coupled (20 - 10000 Hz). *See the FCC notice that follows.
Inverted Wide-AC: Inverted Wide Band AC-Coupled (20 - 10000 Hz). *See the FCC notice that follows.
Wide-DC: Wide Band DC-Coupled (0 - 10000 Hz). *See the FCC notice below.
*The wideband settings will invalidate the FCC type approval of this product! The selected wideband mode will
bypass the DL-3400 audio filtering. To use the wideband setting you must get your own FCC type approval for this
product.
5.10 USER PORT CONFIGURATION — LOADER MODE
The User Port Configuration button is in the User Configuration window near the bottom.
Figure 26 User Port Configuration Window – Loader Mode
Audio Out: Pin will be programmed as an Audio Output. Modem audio will be output from the pin.
Analog In: Pin will be programmed as an Analog Input. Pin is connected to an analog to digital converter (ADC).
RSSI Out: Pin will be programmed as a Receive Signal Strength Indicator Output. A voltage representing the strength
of the Guardian’s received RF signal will be output from the pin.
Guardian™ Serial Modem or Analog Radio for Licensed Spectrum PN 001-5006-000 Rev. 3 | Page 40