13
3 Operation
The start screen appears on the display.
Frank Smith
City Council
Leakage Delivery
V2.000
17.09.2018
13:02
EX-TEC HS 680
®
Fig. 3: Start screen
Display:
– Device type: EX-TEC HS 680
– User:
Frank Smith
City Council
Leakage Delivery
– Firmware version: V2.000
– Date and time
– Capacity disposable battery/
rechargeable battery
The splash screen for the application set under
Autostart
appears (see section 3.3.4
CH4
Inspection above ground
0 PPM ...10 VOL%
AL 4 3 PPM
Fig. 4: Splash screen for
Inspection above
ground application
Display:
– Gas type: CH
4
–
Application as symbol (top left)
and text: Inspection above
ground
– Measuring range:
0 ppm ... 10 % vol.
– Alarm threshold: AL4, 3 ppm
– Symbol for next application that
can be selected via function
key F3: Measuring in bar holes
The device switches to measuring mode. The device warms
up. The reading flashes.
While the device is warming up, the prompt
Add fresh air!
is
displayed as a reminder.
2. Make sure the device is actually drawing in fresh air. Change
its location if necessary.
3.
Wait until the reading stops flashing.
The device is ready for use.