Sharp XE-A1BT Service Manual page 11

Mode switch layout
c. Function
Turns the display off. No operations are possible
REG
Permit transaction entry
Permit correction after final a transaction
X/Flash
Permits printing of sales reports and display the
flash reports
Z/PGM
Permits printing and resetting of sales reports and
programming
3) BATTERY
a. MEMORY BACK UP BATTERY
For memory back up, the dry battery ULM-3 (3 pieces) are
needed.
1. Memory holding time:
Approx. 1 year after New dry batteries are installed.
(It is depend on the battery capacity)
2. Battery exchange method:
When the low battery symbol "L" lights up, replace the
batteries (3 AA) replaced by the following method;
1) Power on the ECR.
2) Mode switch turn to "REG" mode.
3) Remove the OLD dry batteries (3 pieces).
4) The no-battery symbol "
5) Insert the NEW dry batteries (3 pieces).
6) Confirm the low battery symbol "L" and no-battery
symbol " " is off.
L
b. LOW BATTERY
Low battery indication will appear on the left side of display when
the battery voltage is low.
CASE 1: When sitting idle or after completion of transaction. The
machine can indicate the low battery condition (Always)
CASE 2: Low battery indication will not appear during key
operations, but will appear after power up of the cash
register.
[Display sample]
"0.00": Battery is OK.
"L 0.00": Low battery (The batteries have to be replaced.)
After finalization
"F 12.34": Battery is OK.
"L 12.34": Low battery ("L" indicate instead of "F".)
" light up.
L
c. NO BATTERY
If the user forgets to replace the battery and the battery voltage
falls below a certain level, or if a power failure occurs with no
batteries installed, the memory contents cannot be retained. The
CPU judges it as no battery and performs the master reset. In this
case, all the settings and registrations are cleared. If, however, the
power is continuously supplied to the AC cord, the memory
contents are retained.
Low battery:
low. Memory back up can be done.
No battery: Batteries are not installed or the voltage is extremely
low. The master reset is executed when a power
failure occurs, when the batteries are not properly
changed.
Low battery & No battery indication will appear at the most left
position of display when the battery voltage is low.
CASE 1: When any numeric entry & item entry is not done or
just after
finalization.
The machine can indicate the battery condition. (Always)
CASE 2: When numeric entry or item entry is done.
Battery condition is not appeared.
Exceptionally, at the power is restored after power failure,
the low battery & No battery indication will appear on the
display only when the battery voltage is low.
And the indication will disappear after any key entry.
[Display sample]
" 0.00" : Battery is OK.
"L 0.00" : Low battery
" 0.00" : No battery
L
After finalization
"F 12.34": Battery is OK.
"L 12.34": Low battery ("L" indicate instead of "F".)
" 12.34": No battery ("L" indicate instead of "F"
L
4-4
Batteries are installed, but the voltage is