Casio IT-9000 Series Service Manual page 62

[3] Current - Printer
[Preparation]
(1) Open the battery pack cover and remove the battery pack.
(2) Connect equipment as shown below.
(3) Set the voltage control of the DC power supply at a minimum position, and then turn ON its
power.
DC power supply unit
No. Operation
Adjust the DC power supply
output so that the DC
voltmeter reads 7.4 V, and
then turn ON IT-9000.
Select "[3].Current - Printer"
1 from MENU-8 screen.
DC ammeter
Diode
(IF=3.0 A Max.)
DC voltmeter
Turn the right lock switch for the battery pack cover
– 55 –
to the "LOCK" position.
Display
Automatically judges if the
current value is within 2300 to
2900 mA.
Then, manual judgment screen
appears.
If OK.
Press the "1" key to return to
the menu screen.
If out of range (Failure):
Press the "0" key to return to
the menu screen.
IT-9000
Test Details