7.4 TR-810 Battery Indicator.
Only applicable on TR-810 with: Software version: MU: 1.1.1 and FU: 1.1.1 or later.
Hardware version: 0944-05 (CN06314)
Only applicable on BU-872 with: Software version: 1.1.0
Hardware version: 1210
This version of the TR810 is equipped with a battery indicator. The indicator is situated on the
bottom row of the display. See fig.A1.
The indicator uses different symbols to give information of the status of the Battery Backup Unit.
Note! If there is an alarm condition in the radio the battery indicator will be overwritten with the
alarm symbol.
100% remaining battery capacity. (Unit not connected to mains)
75% remaining battery capacity. (Unit not connected to mains)
50% remaining battery capacity. (Unit not connected to mains)
25% remaining battery capacity. (Unit not connected to mains)
10% remaining battery capacity. (Unit not connected to mains)
Charging. (Unit connected to mains)
Charging complete. (Unit connected to mains)
No communication with BU-872. Check interconnection cable.
(Symbol appears a short time at power on)
>>>>
AC
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84417_O&I_TR-810_E Battery Backup Unit Page 7-6