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EPOCH 4PLUS
The external trigger allows the EPOCH 4PLUS to trigger in or trigger out
communications with an external device via the parallel port.
3.7.7 VGA Output On/Off
The VGA output on the EPOCH 4PLUS lets you view the full color screen display on a PC
monitor, projector, or a heads-up display. Connect the EPOCH 4PLUS to the external
device with a cable attached to the VGA port on the top of the unit.
The default setting for the VGA output is OFF. The EPOCH 4PLUS consumes a slightly
greater amount of power when the VGA circuitry is turned on, which reduces battery
operating time.
To turn on the VGA output, follow these steps:
1. Move the highlight bar over VGA On and press [ENTER].
! in the corresponding box signifies the VGA output is on.
2. Press [ENTER] again to turn it off.
3. Press [OPTION] again to the return to the live screen.
3.7.8 Beep On
When Beep On is selected, pressing the keypad results in audible beeps.
3.7.9 Grid On/Off
When you select Grid Off, only the border of the graticule shows behind the waveform
display. This is a real-time condition only and is not stored.
3.7.10 Keypad Lock Functions
All Lock: When you select All Lock, all keys except [DISPLAY],
[OPTION], [ENTER], [], [], [], [], and [ON/OFF]
are inactive.
A full padlock appears above the battery symbol indicator to
show that All Lock is selected.
Cal Lock: When you select Cal Lock, a half padlock appears above the
battery indicator and the following keys are inactive:
[GAIN][VEL/REJECT]
[CALIBRATION][ANGLE/THICKNESS]
[ZERO OFFSET][PULSER/FILTER]
[RANGE]
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