Corrective Maintenance LDM 210 - LDM 220
6. Corrective Maintenance
6.1 Operating TEST Modes
6.1.1 Operating Modes (SS2 et SS3)
These two jumpers are used to configure the reader in the four possible operating
modes:
SS2 SS3 Operating Mode
Removed Removed
Normal Mode
Removed Installed AGC programmable amplifier test Mode
Installed Removed Various Tests Mode
Installed Installed Autonomous test Mode
6.1.2 Test Mode
It performs the following functions:
1. Energize the three bicolor LED’s
2. Read the digital inputs DI1 to DI4, and set the inverse on outputs DO1 to DO4
3. Send the software version and revision as the first message sent to the PC
4. Test the hands free reception
5. Measure the battery voltage and transmit the voltage value to the PC for the
LDM 210 reader RS232 version
6.1.3 AGC amplifier test Mode
It is a mode designed to verify the proper functioning of the programmable gain amplifier
used by the automatic gain control system.
6.1.4 Autonomous test Mode
In this mode the reader continuously polls any dosimeter within range and send the data
to the PC
128569B 29
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