7 - 6 MC75 User Guide
MC75 shuts off. MC75 is inactive. The MC75 turns off after a period of inactivity. If the MC75 is 
running on battery power, set this period from 1 to 5 minutes, in 
one-minute intervals. If the MC75 is running on external power, set 
this period to 1, 2, 5, 10, 15, or 30 minutes.
Check the Power window by selecting 
Start
 > 
Settings
 > 
System
 tab 
and tapping the 
Power
 icon. Select the 
Advanced
 tab and change 
the setting for a longer delay before the automatic shutoff feature 
activates.
Battery is depleted. Replace the battery.
Battery is not 
inserted properly.
Insert the battery properly. See 
Installing the Main Battery on page 
1-6
.
Tapping the window 
buttons or icons does 
not activate the 
corresponding feature.
Screen is not 
calibrated correctly.
Re-calibrate the screen. See 
Calibrating the Screen on page 1-8
.
The system is not 
responding.
Warm boot the system. See 
Resetting the MC75 on page 2-14
.
A message appears 
stating that the MC75 
memory is full.
Too many files 
stored on the MC75.
Delete unused memos and records. If necessary, save these 
records on the host computer (or use an SD card for additional 
memory).
Too many 
applications 
installed on the 
MC75.
Remove user-installed applications on the MC75 to recover 
memory. Select 
Start
 > 
Settings
 > 
System
 tab and tap the 
Remove 
Programs
 icon. Select the unused program and tap 
Remove.
MC75 keeps powering 
down to protect 
memory contents.
The MC75’s battery 
is low. 
Recharge the battery.
The internal 
Bluetooth radio is 
powered on for a 
long time.
Because this mode requires battery power, power it off when not 
needed.
Table 7-1    
Troubleshooting the MC75 (Continued)
Problem Cause Solution