Iiyama TF1934MC-B5X User Manual page 12

 You will need a screwdriver to mount the L-Bracket.
NOTE
 L-Brackets and screws are necessary to install an open frame monitor. For details
regarding open frame monitor temperature and humidity operating conditions, see the
User Manual on IIYAMA website. http://www.iiyama.com.
 The position of the L-bracket can be either 2.9 mm or
44.9 mm from the front of the monitor depending on
which screw holes you choose for mounting it.
8 BEFORE YOU OPERATE THE MONITOR
Screw holes for
mounting the chassis
Front of the Monitor
44.9mm
2.9mm