Message
The screen on the left
displays when the power
is turned ON.
BHT Response
The back-up battery
discharge count has
exceeded the specified
number of times and the
battery power level has
dropped below the
stipulated level.
2D Code Handy Terminal
Cause
Countermeasure
Replace the back-up
battery.
Refer to "Chapter 6
Maintenance" for details.
137