ADInstruments AD2400 Manual De Usuario página 18

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the normal work.
( ) Back panel description (see the fig1.1 )
(1) ~220V power plug
( ) Operation Steps :
Firstly, connect power cord (~220V) and turn the power on, after warning up for
10 minutes, it starts to work.
1. frequency measurement :
select CH.A or CH.B according to the frequency under measured.
gate time setting:
the gate time has 4 steps. when pressing "gate" key, gate time displays on the LCD
regular (see fig 2.1 ), the display value is the seconded gate time (fig2.2)
0.1s
fig 2.1
step setting
when pressing "step" key, the last display value on LCD is the selected step in fig
3.1, the present step. there are only 3 steps for frequency measurement, when
pressing "step" key, the steps display regular as :
1 2
3.1
No.4 step is for counting, No.5 is for crystal oscillator frequency, the displaying
value is present step.
press "CONFIRM" key after the above 3 steps are finished, the instrument starts to
operate and measures according to the setting, and displays the result.
2. testing progressive counting
AD-2400
connect the testing wire to CH.B terminal
set gate time. In this case, the gate time is for interval period.
press "step" key and step No.4 start.
press "confirm" key to start.
3. crystal oscillator frequency measurement
insert the crystal under measured into CH.C, and press "crystal " key.
set gate time.
set No. 5 step
press "confirm" to start.
after finish measurement, press " crystal" key again to stop.
( ) The measurement of the modern communicating tools.
(1) analog mobile phone measurement :
the step can be set to "1", and the gate time can be selected according to
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(2) power switch
1.0s 5.0s
3 4 5
Manual de usuario AD2400
AD Instruments
(3) fuse socket
10s
5.0
fig. 2.2
2
fig
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