User's Manual

3. OPERATING INSTRUCTIONS
Proceed as follows:
1. Remove the nozzle from the boot
2. Insert the nozzle spout into the vehicle fuel inlet
3. The µNR detects the FuelOpass and the indication LED blink twice
4. Turn on the pump handle and dispense fuel
5. Turn the pump handle off
6. Return the nozzle to the boot
4. TECHNICAL SPECIFICATIONS
Table 1 lists the specifications for the µNR units.
Table 1. µNR Specifications
Parameter Description
Supply
Voltage:
P/N 812539200 (x2)
Battery replacement should
be performed only by
authorized service personnel
Power
Consumption:
Active mode: 25mA typical.
Standby mode: 20µA
Battery Life
Span
2 to 3 years typical
Operating
Temperature:
-40° to +60 °C
Storage
Temperature:
-40° to +60 °C
Dimensions
(HxWxD):
µNR Assembly:
27.2x39.3x44.2mm
NR-B Back Clamp:
106x56.9x72.2mm
Communication
Interface:
1. RF communication
method to WGT:
• Frequency: 2.405-
2.480 GHz
• Typical transmission
power: 3dbm (2mW)
2. RFID communication
method with FuelOpass:
• Frequency: 119-135
kHz
2 µNR Operating Instructions