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Channel Scanning
A3.5.7 Programming Example
Example:
The unaddressed VLF>HF receiver is to be set to the following channel scanning parameters:
f Start channel: 100
f Stop channel: 150
CS100,150
f Dwell time: 100 ms = DWQ100
f Hold time: 1500 ms = HTQ1500
Subsequently scanning is to be started (= STQ) and in addition the operating status (= M) is to be
inquired.
Command: rCS100,150DWQ100HTQ1500STQ
≤≥
M??
Æ Reply: rM4?
The receiver is in the operating mode CHANNEL SCANNING.
In the programmed scan process each channel which is not inhibited is called up, starting with
channel 100 and stopping with channel 150. The receiver remains for 100 ms on each new basic
setting which is effected by the channel call>up. If the currently available receive level exceeds the
digital threshold stored in the channel, the dwell time is automatically extended by 1500 ms.
Via the command CO a temporarily stopped scan process can be reactivated.
6164.0717.02_01
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