Casio CASSIOPEIA EG-800 Service Manual And Parts List page 50

4. Tapping 4 RAM TEST, the following display appears.
The other displays may appear.
** RAM CHECK **
- RAM CHK OK -
Pressing Action Control button, Memory Check Menu display appears again.
5. Tapping 6 RAM R/W TEST, the following display appears.
** RAM CHECK **
- RAM DATA WRITE -
Write ... end ActionKey PUSH!
6. Pressing Action Control button according to above message, the following display appears.
** RAM CHECK **
- RAM DATA WRITE -
Write ... end ActionKey PUSH
-- RAM DATA READ --
-- RAM CHK OK --
Pressing Action Control button twice, Main Menu display appears again.
8-4-2-4. Serial ports Check (Communication Check)
Perform this check after aligning the IR ports so that two units are unobstructed and within a
close range (within 30 cm).
Try to communicate with PC using ActiveSync 3.1 after connecting the unit to PC using the cradle
concerning USB and RS232C checks.
Because, special jigs are needed to perform USB/ RS-232C checks by this diagnostic program.
1. Tapping 4 SERIAL, the following Serial port Check Menu display appears.
** Serial **
1 Loop Back
2 Send / Receive <RS232C Ck>
3 Interactive
4 Send / Receive <IrDA Ck>
5 Loop Back2
6 Interactive
7 Send / Receive <FIR Ck>
8 Send / Receive <FIR Ck>
9 USB Check
2. Prepare another unit to perform IrDA communication check.
Display Serial port Check Menu with another unit as well as the checking unit.
3. Tapping 3 Interactive <IrDA Ck> with both units, the following displays appear.
Ready
4. Tapping the checking unit's screen, the following display appears with this unit.
Ready
OK
Ready
On the other hand, the following display appears with another unit.
Ready
Ready
<RS232C Ck>
<IrDA Ck>
<FIR Ck>
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