Extron Electronics VTG 300_300R User Guide Rev. E - Manual (Page 20)

Button Lock Mode
To prevent accidental changes to settings, simultaneously press and hold the Signal and
the Test Patterns buttons for two seconds to enable the VTG’s Button Lock mode (see the
figure 11 ). Button Lock mode locks all front panel buttons except Power. When Button Lock
mode has been enabled, the message “ Button Lock Enabled ” is displayed for 2 seconds
before the VTG returns to the default cycle.
Power
on
60-543-02
FW Ver. 2.04
EXTRON
VTG 300R
Button Lock
Enabled
Button Lock
Disabled
SIGNAL
TEST
PATTERNS
Simultaneously press both buttons for
two seconds to enable button lock mode
SIGNAL
TEST
PATTERNS
Simultaneously press both buttons for
two seconds to disable button lock mode
VGA 31.5kHz
640x480 @60
3 sec.
3 sec. 3 sec.
AUDIO LEVEL
-10dBu 245mV
AUDIO FREQ.
800 Hz
Figure 11. Button Lock Mode
NOTE: When the VTG is in Button Lock mode and powered off and then on again, the
VTG will still remain in Button Lock mode until that mode is disabled.
To disable Button Lock mode, simultaneously press and hold the Signal and the Test
Patterns buttons for two seconds. When Button Lock mode has been disabled, the message
“
Button Lock Disabled ” is displayed for 2 seconds before the VTG returns to the default
cycle.
VTG 300/300R • Operation 14