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Presentation Switcher / Scaler Buttons
21
7.3 Locking and Unlocking the Front Panel
You can lock the front panel
1
to safeguard the settings on the VP-724xl.
To lock the front panel:
Press the PANEL LOCK button or the MENU key on the infra-red remote
control transmitter (see Figure 16) for a few seconds, until the “Key Lock On”
OSD status appears superimposed over the top right corner of the screen for a
few seconds
2
, and all button LEDs turn off
Pressing a button when the panel is locked, displays the “Key Lock On”
message superimposed over the top right corner of the screen and the PANEL
LOCK button blinks for a few seconds.
To unlock the front panel (releasing the protection mechanism):
Press and hold the PANEL LOCK button or the MENU key on the infra-red
remote control transmitter (see Figure 16) for a few seconds, until the “Key
Lock Off” OSD status appears superimposed over the top right corner of the
screen for a few seconds
2
7.4 The Infra-Red Remote Control Transmitter
You can control the Presentation Switcher / Scaler remotely, from the infra-red
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
Figure 16 and Table 5 define
3
the infra-red Remote Control Transmitter:
1 However, operation via RS-232 serial commands is still available
2 By default, 20 seconds. But you can reset the timeout (from 3 to 60 seconds), see section 8.5.6
3 The illustration in Figure 16 shows an enlarged view of 3 separate parts of the infra-red remote control transmitter