7.3 Locking and Unlocking the Front Panel
To prevent changing the settings accidentally or tampering with the unit via
the front panel buttons, lock your VP-728. Unlocking releases the protection
mechanism. When the front panel is locked, control is still available via
RS-232.
To lock the VP-728:
• Press the PANEL LOCK button on the front panel.
The front panel is locked and the PANEL LOCK button is illuminated. Pressing
a button will have no effect
To unlock the VP-728:
• Press the illuminated PANEL LOCK button on the front panel
The front panel unlocks and the PANEL LOCK button is no longer
illuminated
For a description of the Save Lock and Input Lock OSD functions, see
Table 15
.
7.4 The Infrared Remote Control Transmitter
You can control the VP-728 remotely, from the infrared remote control
transmitter, which:
• Is a hand held instrument with a convenient keypad that receives its power from
2 AAA size 1.5V DC batteries
• Has a range of up to 15 meters
• Delivers instantaneous results
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