Specifications

6
3. Description of panels
3.1 Front panel
①POWER
- Main power switch.
②READ CLOCK IN
- READ CLOCK input terminal. Apply an external clock signal with a maximum of 500 kHz to this
input.
③TRIG IN
- Apply a TTL level trigger signal to this terminal when in BURST or GATE mode. Readout of
attenuation data is triggered by rising edge (BURST mode) or when signal is TTL high (GATE mode).
④SYNC OUT
- TTL level Output signal, indicates start of readout period when in program mode. The Sync signal is
programmable, see DLxxxx command in chapter 6 for details
⑤ATTEN IN/OUT
- Attenuator's input/output terminal.
⑥ATTEN OUT/IN
- Attenuator's output/input terminal.
CAUTION: Do NOT apply an input signal to both ATTEN IN/OUT terminals at the same time.
:⑦ATTEN MODE
- Key for selecting manual or program mode.