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Sharp LCM3700 Manual

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Detailed explanation
Control lock
Overview
This monitor is equipped with a control lock function to prevent third parties from changing the
operating state. Locked functions cannot be used unless a PIN is input.
PINs can be freely set by the user.
The following types of operation can be locked.
» Menu Display
When locked, MENU buttons on the remote control and monitor are disabled.
» Remote Control
When enabled buttons on the remote control except STANDBY/ON are locked.
» Monitor Buttons
When enabled monitor buttons except STANDBY/ON are locked.
» Power
When locked, the STANDBY/ON button on the remote control and the monitor cannot perform
switching from the operating state to the standby state. It can however, perform switching from the
standby state to the operating state.
» RS-232C
When enabled operation using RS-232C is locked.
Lock state and temporary unlock (Except for RS-232C)
When some functions are locked, you will be prompted to enter PIN if you attempt to use the function. If
you enter the correct PIN, the locks on all locked functions are temporarily unlocked, so you can use the
functions.
Functions which have been temporarily unlocked are locked again under the following conditions.
• The monitor entered standby mode. • Main POWER was turned off.
• PIN was changed. • Lock Items were modified.
Even if functions are temporarily unlocked, the system will ask for a PIN if you try to enter “Control Lock”
from the “Setup” menu. This is to prevent the PIN from being modified while it is temporarily unlocked.
Permanent unlocking (Except for RS-232C)
1) Select “Control Lock” from “Setup” in the menu screen.
2) Select “PIN Clear”, then “Yes” and press ENTER.
Lock state and temporary unlock (RS-232C)
If RS-232C is locked and you sent an RS-232C command, LOCKED will come back as the returned
value.
Only the following commands will work in this state.
» PINPxxxx (“xxxx” is the current PIN.)
Temporarily unlocks the current lock.
Functions which have been temporarily unlocked are locked again under the following conditions.
• The monitor entered standby mode. • Main POWER was turned off.
• PIN was changed. • Lock Items were modified.
Settings and Adjustments (Continued)
… 59 …


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