Use The Optical Switches - Emerson Micro Motion 9739 MVD Configuration And Use Manual

Using the transmitter display
June 2019
Figure A-2: Transmitter interface without display
A. Zero button
B. HART security switch
C. Unused
D. HART clips
E. Service port clips
F. Status LED
A.2 Use the optical switches
Use the optical switches on the transmitter interface to control the transmitter display. The transmitter has
two optical switches: Scroll and Select.
Procedure
To activate an optical switch, block the light by holding your thumb or finger in front of the opening.
Tip
You can activate the optical switch through the lens. Do not remove the transmitter housing cover.
The optical switch indicator lights up when the transmitter senses that an optical switch has been activated.
Table A-1: Optical switch indicator and optical switch states
Optical switch indicator
Solid red
Flickering red
172
A
B
C
D
State of optical switches
One optical switch is activated.
Both optical switches are activated.
Configuration and Use Manual
F
E
Micro Motion 9739 MVD Transmitters
MMI-20016855