PeakTech 4105 Bedienungsanleitung Seite 131

5.20 Input Port
The waveform generator has four input port, 'M odulation In', 'Trig In', 'Counter' and '10MHz
In', which are used for inputting external signal.
5.20.1 Modulation In Port
Locate in rear panel and input external modulating signal under FM, AM, PM, PWM and
Sum mode.
5.20.2 Trig In Port
Locate in rear panel and input external trigger signal under FSK, BPSK, frequency sweep,
list sweep and burst mode.
5.20.3 Counter Input Port 'Sync/Counter'
Locate in front panel and it's a dual-purpose port. Press 【Utility】key then to 〖Sync
On/Off〗softkey to disable or enable the counter input port. W hen the indicator at top of port
light on to be yellow, the counter input port is enable.
5.20.4 Clock input port '10MHz In'
Locate in rear panel and input external clock signal with 10 MHz frequency with higher
accuracy.
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