Witschi ChronoMaster, Руководство пользователя

Страница: 38 / 50

Personnel: n Operator
Prerequisite:
•
The ChronoMaster Air has been switched off and discon-
nected from the power supply.
Fig. 21: Replacing rechargeable batteries
1. Unscrew the screws (Fig. 21/1) using a screwdriver and
open the battery compartments.
2. Insert new rechargeable batteries using the markings on
the covers of the rechargeable batteries, and ensure the
polarity is correct.
3. Close the battery compartments.
4. Recalibrate the charge status display.
The charge status display is electronically monitored and cal-
culated. After inserting new rechargeable batteries, recali-
brating the charge status display is recommended. To do so,
the new rechargeable batteries in the ChronoMaster Air must
be discharged completely and then be recharged again. After
completion of the discharge/charge phase, the calibration is
complete and the charge status display provides reliable
values.
Personnel:
n Operator
Prerequisite:
•
New rechargeable batteries have been inserted.
1. Switch on the ChronoMaster Air and connect it to the PC
or tablet computer using Bluetooth.
2. Perform the long-term measurement until the recharge-
able batteries have been discharged completely.
ð
The rechargeable batteries have discharged com-
pletely after 20 –24 hours.
Recalibrating the charge status dis-
play
24.03.2021 Precision measuring device ChronoMaster / ChronoMaster Air 38