GRAPHTEC GL840 User Manual page 87

(8) FAST FORWARD key (KEY LOCK)
(9) START/STOP (USB Drive Mode)
USB Drive Mode
In the "USB Drive Mode", the internal memory (SD1) and SD CARD (SD2) can be check on a PC as an
external storage device.
When two SD CARDs are inserted into the SD CARD1 (SD1) and the SD CARD2 (SD2) respectively, they
are recognized as two external storage media.
Since the SD CARD is recognized as a removal disk, this mode facilitates file manipulation such as transfer
and deletion.
1. Use a USB cable to connect the GL840 and a PC.
2. While pressing the GL840 [START/STOP] key, turn ON the power.
3. The external storage media is recognized by the PC and data exchange becomes possible.
* In USB Drive Mode, the display on the GL840 becomes as follows:
•
To exit USB Drive Mode, turn off and on the power again.
•
In USB Drive Mode, no operation including data capture and data replay is available.
This key is primarily used for the following operations.
• To move the cursor at high speed during replay.
• To change the display order of the files in the file box.
• To set key lock (Hold down the left/right FAST FORWARD key for at least two
seconds. Press again to unlock)
A password for canceling the key lock can be specified.
Refer to "(13) To cancel key lock by password" in "3.4 Setting Menus" for
details.
• To change the display mode in the Digital + Calculation Display screen.
2ch Mode
This key performs the following two operations:
<Starts/stops capture>
• During Free Running, starts capture.
• During capture, stops capture.
CHAPTER 3 Settings and Measurement
4ch Mode 10ch Mode All Mode
3-11