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Hints for writing your own software
If you write your own program, the host computer must give the meter the "D"-command to activate data trans-
mission. The following program is an example of a BASIC program that gets a single reading from the meter.
10 OPEN "COM1:9600,N,7,2,RS,CS,DS,CD"AS#2
20 PRINT #2,"D"
30 IN$=INPUT$(4*14,#2)
40 PRINT$
50 CLOSE#2
7.1. Care and Maintenance
Your instrument is a precise electronic device. Do not tamper with the circuit. To prevent electric shock hazard, turn
off the power and disconnect the probes or connectors from the mains before removing the cabinet, if needed.
7.1.1. Replacing the fuse
Caution!
For continued protection against fire or other hazard, replace only with fuse of the specified voltage and current
ratings.
Power Line Fuse
110 V / 120 V AC, 50/60 Hz
220 V / 240 V AC, 50/60 Hz
Digital-Multimeter and µA/mA Terminal-Fuses
20 A AC/DC
mA AC/DC
*
DMM ampere fuse:
Follow these steps to replace the fuse:
1. Press POWER switch to turn off the instrument and disconnect the test leads.
2. Remove the fuse defected by taking off the fuse holder.
3. Install a new fuse in a fuse holder and replace it.
S 250 V 5 A
S 250 V 3 A
S 250 V 15 A
F 250 V 800 mA
400 mA AC/DC Ranges: F 250 V / 800 mA
Type: fast-blow
20 A AC/DC ranges: S 250 V / 15 A
Type: slow-blow
Shape: 6 x 32 mm
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