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.
| ASCII | HEX |
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past data | Ep | 45h | 70h |
clear past data | Ec | 45h | 63h |
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
[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 |
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30 30 45 70 OD |
| Commnd for confirm past data |
'0' '0' 'E' 'p' ' ' |
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| 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 |
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* : '8' '2' '0' '0' '0' '0' mean the numbers as shown below.
Bit | b1 | b2 | b3 | b4 | b5 | b6 | b7 | b8 | b9 | b10 | b11 | b12 | b13 | b14 | b15 | b16 | b17 | b18 | b19 | b20 | b21 | 0 | 0 | 0 |
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ASCII | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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HEX |
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| 8 |
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| 0 |
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| 0 |
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| 0 |
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| 0 |
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b1=1(The power is ON), b7=1(The fan is stopped), Other=0
7) Reading command diagram
Monitor projector operation status. The power ON, OFF and input terminal settings can be monitored.
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| 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 |
APPENDIX