3.1.2 Lock or unlock the transmitter
If the transmitter has a display, a mechanical switch on the display can be used to lock or unlock the
transmitter. When locked, no configuration changes can be made using any configuration tool.
Figure 3-1: Lock switch on transmitter display
You can determine whether you need to lock or unlock the transmitter by looking at the switch.
• If the switch is in the right position, the transmitter is locked.
• If the switch is in the left position, the transmitter is unlocked.
Note
The top switch is reserved for future use.
Procedure
1. If you are in a hazardous area, power down the transmitter.
DANGER
Never remove the transmitter housing cover in a hazardous area when the transmitter is powered
up. Failure to follow these instructions may result in an explosion.
2. Remove the transmitter housing cover.
Introduction to configuration and commissioning Configuration and Use Manual
March 2019 MMI-20025166
20 Micro Motion Model 5700 Transmitters with Configurable Outputs
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