Allow more than 30 minutes for the unit to warm up so that it is stabilized and
ready for use.
3. OPERATION
3-1. Controls, indicators and connectors
FIG(2) FRONT PANEL
GATE INDICATOR : The gate light, when lit, indicates the main gate is
open and measurement in progress.
RS-232C INDICATOR: TX(transmitting), RX(receiving) blinking(OPTION)
OVER FLOW INDICATOR : OF is displayed when overflow.
DISPLAY : 9 digit(O.56") green LED display used for all read
readings.
NOTE: LAST MEASUREMENT DISPLAY WILL REMAIN FOR 10 SECONDS
AFTER SIGNAL OFF.
UNIT INDICATOR : When lit, indicates that the frequency displayed is in
KHz or MHz, and period is in n, u or mSec.
HOLD INDICATOR : When lit, engaged the hold function.
TRIG. LEVEL VR : Adjusts trigger threshold level on the input A input
signal. Pushing the knob in (preset) sets this level at
the mid-point of a symmetrical sinewave input. Pulling
6
1719 18 121516 910 13
2
3
1
4 5
14 20
11
7
8
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