CalAmp GUARDIAN Bedienungsanleitung PDF herunterladen (Seite 49)

CD Out: Pin will be programmed as a Carrier Detect Output. This pin will be asserted whenever the Carrier Detect

conditions are met that were programmed in the Link Configuration window. The pin is normally Active High, but can

be made Active Low by checking the Inverted Carrier Detect check box on the Link Configuration window.

PTT In: Pin will be programmed as a Push to Talk (PTT) Input that will cause the Guardian to begin transmitting. PTT

In is normally Active Low, but can be changed to Active High by checking the Inverted PTT check box on the Link

Configuration window.

CS1-3: Pin will be programmed as a Channel/Link Select. Any pins programmed as a Channel Select will be used as

binary inputs to select the desired RF Link programmed in the Link Configuration window. Pins are internally pulled

high.

I/O Port Voltage: Programs the input and output voltage of the pins on the Guardian User Port. Valid voltage range is

from 3.3 - 5.0V. Default is 3.3V.

5.11 VERSION REQUEST

The Version Request window is accessed from the Version button in the Guardian Programmer window.

Selecting Version Request causes the Guardian Field Programming Software to display information about the version of

the Guardian hardware and firmware.

Figure 27 Version Request

5.12 WRITING AND READING GUARDIAN CONFIGURATION PARAMETERS

After all radio parameters are set up in the Link Configuration window, click the Save Changes button to store the

information into the PC’s memory. Writing and reading Guardian Configuration parameters is accessed through the

User Configuration window.

Guardian™ Serial Modem or Analog Radio for Licensed Spectrum PN 001-5006-000 Rev. 3 | Page 41

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CalAmp GUARDIAN Bedienungsanleitung Seite 49