VACUUBRAND PC 301 - Manual (Page 19)

Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 999147 / 17/06/2014
page 19 of 40
When switching off the device, the remaining battery capacity
is displayed qualitatively by the number of arrows in the dis-
play for a few seconds.
☞
If the battery symbol appears in the display during meas-
urement, the battery should be replaced.
☞ The correct function of the device is no longer ensured.
Display of the status of discharge of the battery
Adjusting the operating time and the measuring cycle
➨ Press key MODE to select the time setting mode.
☞ The clock symbol and the actual operating time in minutes
are displayed.
To decrease operating time:
➨ Press key MODE to change arrow direction to the left.
➨ Press key UP/DOWN to decrease operating time.
➨ Press key ON/OFF to confirm.
☞ The device switches to mode ” adjustment of measuring
cycle”.
☞ The measuring cycle can be chosen between Automatic,
1 measurement in 3s, 1 measurement in 1s and 3 meas-
urements in 1s.
☞ The arrow to the right indicates that the time can be in-
creased by using key UP/DOWN.
➨ Press key UP/DOWN to increase operating time.
☞ The measuring cycle as from the last operation (factory-
set: ”A”) is displayed.
➨ Press key UP/DOWN to select the measuring cycle: A
= Automatic (automatic determination of the measuring
cycle; frequent measurement in case of great pressure
change), S1 = 1 measurement in 3s, S2 = 1 measurement
in 1s, S3 = 3 measurements in 1s.
☞ The flashing of the arrow (only ”S1”, ”S2” or ”S3”) symbol-
izes the frequency of the pressure measurement).
☞ Press key MODE to change the direction of the adjust-
ment.
To adjust measuring cycle:
☞ The vacuum gauge is equipped with an automatic sleep
mode to save battery power when the instrument is not
used. When the clock symbol appears on the display, the
vacuum gauge will switch off automatically after approx. 1
minute.
➨ Press key ON/OFF, the clock symbol disappears and the
preselected operation time will start again.
Clock symbol
☞ The time until automatic switching off (operating time) can be set by the user within a range of 1
to 999 minutes (factory-set: 15 minutes) or continuous operation ”On”.
➨ Press key ON/OFF to confirm the measuring cycle and to
terminate mode.