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Rev
Date
1
12/09/2021
This manual provides information intended for use by persons who, in accordance with current
regulatory requirements, are qualified to install this equipment. It is a supplement to the MD23
Installation Manual and Operating Instructions, p/n 9019161.
If further information is required, please contact Mid-Continent Instruments and Avionics.
Mid-Continent Instruments and Avionics
User Guide UG225
Revision 1
User Guide
MD23-225
Configurable Digital
Airspeed Indicator
powered by
Initial release.
For
Detail
Mid-Continent Instrument Co., Inc.
dba Mid-Continent Instruments and Avionics
9400 E. 34th Street N.
Wichita, KS 67226 USA
ph
(800) 821-1212
www
mcico.com
Approved
BAW
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Summary of Contents for Midcontinent MD23-225
- Page 1 User Guide MD23-225 Configurable Digital Airspeed Indicator powered by Date Detail Approved 12/09/2021 Initial release. This manual provides information intended for use by persons who, in accordance with current regulatory requirements, are qualified to install this equipment. It is a supplement to the MD23 Installation Manual and Operating Instructions, p/n 9019161.
- Page 2 MD23-225 User Guide 1.1 INTRODUCTION The model MD23-225 Digital Airspeed Indicator is a standard 2-inch (2-¼”) panel-mounted instrument that can be configured to display several ranges and range markings for indicated airspeed. Based on Mid-Continent Instruments and Avionics patented FLEX...
- Page 3 MD23-225 User Guide 2.1 CONNECTOR PINOUT For standard pre-installation and installation instructions, including location, cable harness assembly, pneumatic inputs (if applicable), mounting, and others, please refer to the IM. Pinout identification specific to this CID is listed in the table below. A brief description is provided.
- Page 4 MD23-225 User Guide 3.1 CONFIGURATION AND SETUP Enter Configuration Mode by pressing and holding the Control Knob while applying power to the unit. For configuration and setup of standard unit functions, including dimming control options and dimming curve definition, please refer to the IM.
- Page 5 MD23-225 User Guide 3.1.3. CALIBRATE PITOT Use the Calibrate Pitot process if the displayed airspeed does not match a known airspeed reference. When selected, the Calibrate Pitot option opens a new page. Allow the unit five to ten (5-10) seconds to settle and display the currently reported airspeed.
- Page 6 MD23-225 User Guide 4.1 OPERATION For operation of standard unit functions, including the Options Menu, manual brightness control, Info page, and others, please refer to the IM. 4.1.1. PRIMARY DISPLAY PRESENTATION In Flight Mode, the display is presented as shown in the example figures below.
- Page 7 MD23-225 User Guide 4.1.3. USER OPTIONS Pressing and holding the Control Knob for three (3) seconds will activate the Options Menu. The manual brightness adjustment and info page are described in the IM. The Options Menu or User Options items will close and return to the active display after ten (10) seconds if no knob activity is recorded.
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