Hitachi SM0541 Service Manual page 25

6-9 PIN LOCK System
If the following PIN BOX menu appears after power on the projector, the PIN LOCK system has been activated.
Under such a condition, key operations and signal displaying are inhibited. To open the PIN LOCK system, 4
correct PIN CODE digits need to be input. If correct PIN CODE is not input in 5 min., the lamp will be
automatically turned off.
Returning repaired unit
Use the Master PIN code. See the paragraph of Releasing the PIN LOCK system inactivation.
Swap unit/Returned unit
Inactivate the PIN LOCK system. See the paragraph of the PIN LOCK system inactivation.
Releasing the PIN LOCK System
When the PIN BOX menu is displayed, sequentially enter the codes with remote controller as follows. In
accordance with remote controller button entry, " " mark appears in the PIN BOX menu.
Master PIN codes
1st entry code: Press the "MENU " button.
2nd entry code: Press the " " button.
3rd entry code: Press the "KEYSTONE" button.
4th entry code: Press the " " button.
Note: The Master PIN codes can be used up to 30 times. The codes cannot be used thereafter. If the Master
PIN codes cannot be used, see the following paragraph.
The PIN LOCK System inactivation
1. When the PIN BOX menu is displayed, press "RESET " for 3 seconds or more in order to get the ID Inquiring
Code.
2. Send the HITACHI sales company the Inquiring code (10 digits) to receive the correct PIN code.
3. With the PIN BOX menu displayed, input the correct PIN code. Enter the correct PIN CODE that has been
received.
4. Open the menu and select "TURN OFF" from the PIN LOCK items in the OPTION menu. Then the PIN BOX
menu appears.
5. Input the correct PIN code in the PIN BOX menu.
6. The OPTION menu then appears.
After the PIN LOCK system is inactivated, the PIN BOX is no longer displayed in the OPTION menu.
If the PIN LOCK items keep displaying, the PIN LOCK system is not inactivated. Input the correct PIN
CODE again.
CP-S235 (C10SM2)
PIN BOX
Input PIN Code
PIN BOX
PIN BOX
Inquiring Code
1 2 1 2 3 4
PIN BOX (ID Inquiring Code)
25
Inquiring Code
1 2 3 4