6) warning commands, 7) reading command diagram – MITSUBISHI ELECTRIC LVP-S120A User Manual

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APPENDIX

6) Warning commands

Read the past warning data. The personal computer doesn’t attache the data code onto the warning commands to
send. On the other hand, the projector which has received a command, attach the warning data as the data code
to reply.

[Example 1] The fan was down when the power was ON and the past data of the warning was confirmed.

Sending commands

Status code from

Meaning

from the PC etc.

projector

30 30 45 70 OD

Commnd for confirm past data

'0' '0' 'E' 'p' '

'

30 30 45 70 38 32 30 30 30 30 0D

Warning command (Fan is stopped when

'0' '0' 'E' 'p' '8' '2' '0' '0' '0' '0' '

'

the power is ON) carried out

The past data
Ep* (* is 6 digits, hexadecimal notation)
*=(MBS)b1,b2,b3,b4,b5,b6,b7,b8, b9, b10, b11, b12, b13, b14, b15, b16, b17, b18, b19, b20, b21, 000(LSB)
b1=Operation time (during boot up '0' / when the power is ON, '1')
b2=Standby power short
b3=Switch power short
b4=0
b5=0
b6=0
b7=The fan is stopped.
b8=The lamp cover is not closed.
b9=The filter cover is not closed.
b10=The temperature sensor is off (Exausting fan)
b11=The temperature sensor is off (The lamp)
b12=Communication error between microcomputer
b13=Communication error between microcomputer (Parallel bus)
b14=Abnormal temperature (the lamp)
b15=Abnormal temperature (outside)
b16=Abnormal temperature (LCD)
b17=The lamp is not illuminating.
b18=Confirmation mode for the operating status
b19=0
b20=0
b21= The life of a lamp

ASCII

HEX

past data

Ep

45h

70h

clear past data

Ec

45h

63h

7) Reading command diagram

Monitor projector operation status. The power ON, OFF and input terminal settings can be monitored.

ASCII

HEX

Function

Data (Receive)

Function

Data (Receive)

POWER ON

vP

1

76h 50h

31h

POWER OFF

vP

0

76h 50h

30h

INPUT RGB

vI

r1

76h 49h

72h 31h

INPUT VIDEO

vI

v1

76h 49h

76h 31h

INPUT CARD

vI

c1

76h 49h

63h31h

*: '8' '2' '0' '0' '0' '0' mean the numbers as shown below

Bit

ASCII

HEX

b1 b2 b3 b4

1

0

0

0

8

b5 b6 b7 b8

0

0

1

0

2

b9 b10 b11 b12

0

0

0

0

0

b13 b14 b15 b16

0

0

0

0

0

b17 b18 b19 b20

0

0

0

0

0

b21 0

0

0

0

0

0

0

0

b1=1 (The power is ON), b7=1 (The fan is stopped), Other=0

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