10
Descriptions of the Menu Screens
Status message
display area
Time/DIV display area
Status mark
Wireless sensor/remote
terminal display
Device access display
(Internal memory)
Device access display
(SD memory card 2 /
wireless LAN display)
Remote lamp
Key lock lamp
Clock display
AC/Battery status
indicator
Waveform operation
display area
Digital display area
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
: Displays the operating status.
: Displays the current time scale.
: Displays the status mark.
: Displayed when GL100-WL (GS sensor,
terminal/module connection)/GLT400 (Remote
mode) and wireless connection are used.
: Displayed in red when accessing the internal
memory (SD1).
: Displayed in red when accessing the SD
CARD (SD2).
Displayed in green when the SD CARD
(SD2) is inserted.
In addition, the wireless connection status is
displayed when the wireless unit is installed.
(When connecting to the wireless LAN as a
remote unit, the radio field intensity of the
base unit is displayed. When setting to the
base unit, the number of remote units
(wireless sensor/remote terminal) which are
connecting to the GL840 is displayed.)
: Displays the remote status.
（
Colored =
remote status
）
: Displays the key lock status. (Red = keys
locked
）
: Displays the current date and time.
: Displays the following icons to indicate the
operating status of the battery when AC
power is supplied.(see right figure)
* Use this indicator as a guideline because
remaining battery power is an estimate. This
indicator does not guarantee the operating
time with battery.
: Displays the mode selected by the
[SPAN/TRACE/POSITION] key.
: Displays the input values for each channel.
The and keys can be used to select the
active channel (enlarged display). Moreover, the selected active channel is
displayed at the very top of the waveform display.
4. Wireless sensor/
remote terminal display
17.
19.
20. Data capture bar
1. Status message display area
2. Time/DIV display area
3. Status mark
7. Remote lamp
8. Key lock lamp
10. AC/Battery status indicator
11. Waveform operation
display area
12. Digital display area
13. Quick settings
14. Alarm display area
15. Pen display
16. File name display area
17. Scale lower limit
19. Scale upper limit
18. Waveform display area
5. Device access display
(Internal memory)
6. Device access display
(SD memory card 2 / wireless LAN display)
Free Running status
Capturing recording status
Data replay status
Trigger waiting status
Capture end status
Status icon
Remote terminal
recognized display
Remote terminal
(wired LAN)
Remote terminal
unrecognized display
Wireless sensor
recognized display
Radio field intensity display of base unit
(5 stages from Strong to Weak)
When setting to base unit: The number of
remote units which are connecting to the
GL840 is displayed.
Remote terminal when connecting to
wireless LAN (5 stages from Strong to Weak)
Wireless sensor
unrecognized display
9. Clock display
AC/Battery Indicator
Battery power: 100 - 91%
When the AC power
supply is being used
Battery power: 90 - 61%
Battery power: 60 - 31%
Battery power: 30 - 11%
Battery power: 10% or less
