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Batteries
1.2 V NiCd or NiMH batteries should preferably be used. The batteries should
have a minimum capacity of 700 mAh but NiMH batteries with 1500 mAh are
even better. The larger the capacity, the longer the battery life. Should the bat-
teries be empty, operation can be continued by using the power pack
supplied with the flow meter. Here, the green control lamp at the flow meter will
light up.
The charging operation of the batteries is indicated at the flow meter by a red
control lamp and can be selected in the menu "System-Setup/charge batter ies".
If the flow-meter is switched off, battery charging is started automatically by
plugging in the power pack. The main menu appears on the display and after
a few seconds, the battery charging menu is displayed.
If the flow-meter is switched on, battery charging can be selected in the menu
"System-Setup".
State of charging
During the charging operation, the battery voltage and the time of charging
are indicated. If the maximum charging time of 12 hours is exceeded or the
charging voltage of 5.8 V is reached, the charging operation is automatically
completed .
The charging operation can be interrupted by pressing the keys "OK",
.
Batteries are changed by sliding out the battery case on the lower side of the
computer (see pages 8/9). When changing batteries, battery polarity + and –
has to be observed.
Disposal of used batteries should be carried out by commercial waste dis-
posal departments.
Display
Adjustment of the contrast of the LCD display.
Switch on flow meter by pressing the key
When the name "Oventrop" appears on the display, keep the key
until "please wait" appears. Then "enter access code" appears.
The access code, 1234, has to be entered by using the keys. The figures 1234
do not appear on the display, but only "----".
This is followed by a diagnostic menu with the contrast being adjusted by using
the keys
and
and being completed by pressing the key
Locking of the keyboard
The keyboard can be locked against inadvertent operation by pressing the key
for several seconds.
If the keyboard is locked, a beep sounds when pressing any key and two "L"
symbols appear in the lower bottom comers of the display. To unlock the key-
board again, press the key
.
for several seconds.
Batteries/Display
Locking Keyboard
MAIN MENU
---------------------
---------------------
SYSTEM-SETUP
MEASUREMENT-SETUP
VALVE-SETUP
MEASURE (START)
TEMP. MEASUREMENT
SYSTEM-SETUP
---------------------
---------------------
English
sound: on
light: off
lighttime: 00 s
charge batteries
memory
CHARGE-MENU
---------------------
---------------------
cell voltage: 5.3 V
time: 00h 00min
or
oventrop
Enter access code
pressed
---> : XXXX
.
Diagnostic-> [1]
LCD contr. down -> [<]
LCD contr. up -> [<]
End by pressing
key "end"
MAIN MENU
---------------------
---------------------
SYSTEM-SETUP
MEASUREMENT-SETUP
VALVE-SETUP
MEASURE (START)
TEMP. MEASUREMENT
31
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