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3.1 Basic Operation
3.1.1 Overview
For initial familiarization with the Digibridge™ RLC
tester, follow the procedure carefully. After that, refer
back to this section as required. Condensed operating
instructions are provided near the front of this manual
as well as on the unit itself.
3.1.2 Startup
CAUTION
Before the unit is powered up, the
internal temperature of the Digibridge
must be above 0°C. Otherwise, the
instrument may be damaged by
thermal shock.
1. Plug in the unit.
2. If the Digibridge tester includes an optional
IEEE-488 interface, set TALK switch (rear
panel) to TALK ONLY (unless instructions
are to be received through the IEEE-488
bus) .
3. Switch EXTERNAL BIAS OFF (front
panel).
4. Press -the POWER button "in", so that it
stays in the depressed position.
Self-check codes will show briefly, indicating that the
instrument is automatically executing a power-up
routine that includes self checks.
Operation
Chapter 3
OPERATION
5. (To turn the instrument off, push and release
the POWER button and leave it in the "out"
position.)
6. Wait until keyboard lights indicate
MEASURE, VALUE, SLOW, CONT (or
TRIGGERED), SERIES. If they do not, there
are two possible explanations: self-check
fault and keyboard lock.
If a fault is detected in the self-check, measurements
are blocked and an error code remains displayed.
Under some conditions, the block to operation can
be bypassed. (See paragraph 3.13.) If the keyboard is
locked, all of those keyboard indicators remain unlit
except MEASURE and/or REMOTE CONTROL -
and all previously programmed test conditions, limits,
etc are reestablished. To unlock it , see paragraph 3.9.
1693 RLC Digibridge
13
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