HAFFMANS RPU 352, RPU 353, RPC 80 RPC 50
2
RPU 352, RPU 353, RPC 80, RPC 50 Page 85 of 112
27 BACK-UP BATTERY
This small back-up battery maintains the clock and calendar functions and saves the templates
while the mains power to the RPC-80 is switched off. The battery should last approximately
seven years but we recommend that you replace it every five years. The date that the battery is
fitted is saved in the RPC-80 and a warning starts to be issued every week after the battery is
five years old. When it becomes necessary to replace the battery you will need to record the
date of the change so that any present 5 year warning messages are cancelled and future 5
year warnings can be issued correctly.
ATTENTION!
Keep the power switched ON when replacing the backup battery,
otherwise the date, time and templates will be lost
Remove the 4 screws A on the front panel of the RPC-80 see fig 10.1. Disconnect the
connector of the backup battery, see fig 10.27 and replace all parts in reverse order.
Fig 27.1 Fig 27.1
After setting the RPC-80 ID you will see
FINISHED RPC-80 SET-UP?
Normally you will
press the YES button and return to the main menu. This display is really a screen to "hide" the
battery date setting section from accidental use.
If you answer
No
to
FINISHED RPC-80 SET-UP?
the display will change
to RPC-80
BATTERY CHANGE
. Press
YES
only if you have just fitted a new battery. The display now
changes to
IS DATE CORRECT?
still alternating with the date display. If you need to change
the date press
NO
. The date in the RPC-80's calendar can now be changed. After changing the
date you will be returned to the
IS DATE CORRECT?
display. The
CANCEL
button allows
you to leave this section without changing any calendar settings and without disturbing the
battery fitting date. Press
YES
only if you have just fitted a new battery and the date is correct.
The battery fitting date will be recorded.
ATTENTION!
Do not change the battery fitting date unless you have just fitted a new
battery.
Ha
ff
mans-REDPOST RPC-80
A
A
A
A
Backup battery
Connector
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