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B.
U
SING THE INSTRUMENT
In order to use the device in all the safety required, all operators must read the paragraph on safety carefully, along with the paragraph below.
B.1
Power-up
The device is delivered with 4 AA batteries of 1.5V each. It is wise to place these batteries in the compartment provided for this purpose. To open up the
compartment, unscrew the screw on the back of the box. Once the batteries are in place, screw the cover back on.
Observe the polarity: an incorrect battery positioning could damage the device. The correct polarity is indicated inside the compartment.
The figure below illustrates how to open the battery compartment as well as the correct positioning of each battery.
Product code
label location
Devices with product code TC66xx or TM66xx or WEM41021-0xxA :
After inserting the dry cells (or NiMH batteries) correctly, press the ON/OFF key until the first " Checking EEPROM" screen comes up.
To turn the unit off, press the ON/OFF key until the "Instrument in standby mode" screen comes up.
Allow about ten seconds between phases.
Devices with product code WEM41021-0xxB :
After inserting the dry cells (or NiMH batteries) correctly, press the ON/OFF key until the first "Checking 'EEPROM" screen comes up.
To turn the unit off completely, press the ON/OFF key until the "Instrument in power off mode" screen comes up. In this case, the Date + Time are lost.
In standby mode, the Time is retained. To go to standby mode, press both the HOLD and ON/OFF keys until the "Instrument in stanby mode" screen comes up.
To return to normal operating mode, again press the ON/OFF key until the 1
Allow about fifteen seconds between phases.
The product code is located on the bottom code label at the back of the unit.
B.1.1
The keyboard
The keyboard features:
•
2 function keys (F1 and F2) for the selection of the various menus displayed on the screen.
•
The navigator, consisting of 4 arrows (up (↑ ↑ ↑ ↑ ), down (↓ ↓ ↓ ↓ ), right ( ), left ( )
•
A clear key (CLEAR).
•
A device on/off and backlighting on/off key (ON/OFF).
Press briefly to start the device. During operation, press briefly to turn the lighting on or off. Press it longer for 2 seconds to stop the device.
•
A validation key (VAL).
•
A HOLD key allows you to suspend a process temporarily
HOLD key
Battery
compartment screw
F1 function
key
CLEAR
key
Navigation
key
st
screen comes up.
F2 function
key
Confirmation
key (VAL)
ON/OFF key
B
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