Service manual

Maintenance
4-9
2. Recalibration using the Biomed menu (software version 1.03.10 and above) — In the
event the touchscreen becomes difficult to use, it may need to be calibrated. To perform the
calibration, attach a mouse (in the event the touchscreen is unusable) and perform the
following steps.
a. Power ON the 90364.
b. Click the MONITOR SETUP key and then click the PRIVILEGED ACCESS key.
c. Enter the Biomed code (the factory default is biomed).
d. Click the MONITOR CALIBRATION key.
e. Click the TOUCHSCREEN CALIBRATION key.
f. Click the box displayed in the upper-left, upper-right, and lower-right corners of the
display.
3. Recalibration using the Diagnostic Boot menu — A PS2 mouse or keyboard with RJ9
connector is required to perform a touchscreen calibration. Perform the following steps to
calibrate the touchscreen.
a. Power OFF the 90364 and connect either a PS2 mouse or keyboard.
b. Power ON the 90364 and enter the Diagnostic Boot menu. This menu may be
accessed using the mouse or keyboard.
• To access the Diagnostic Boot menu using a PS2 mouse, simultaneously click
the left and right mouse buttons during the “3-2-1” boot-up countdown. (The left
and right mouse click must be simultaneous with the “3” of the “3-2-1” countdown.)
• To access the Diagnostic Boot menu using a keyboard, press [Ctrl]+[D] during
the “3-2-1” boot-up countdown. (The [Ctrl]+[D] sequence must be simultaneous
with the “3” of the”3-2-1” countdown.)
c. Select v (set video characteristics) on the Diagnostic Boot menu.
d. Select a (1024 × 768, 60 Hz) on the Video menu.
e. Turn the 90364 unit’s power OFF and then ON.
f. As part of the initialization routine, the unit will automatically display a calibration
screen. The calibration screen will prompt the user to touch the upper-left, upper-right,
and lower-right corners of the display for calibration.
4. Calibration is now complete.
Cleaning
Monitor and Module Housing
If needed, clean the outside of the monitor and module housing with a mild soap and water solution
or Plast-N-Glas cleaner. Use TF solvent for cleaning electronic connectors and contacts.