Operation; Controls And Connections - Wavetek 145 Instruction Manual

3.1 CONTROLS AND CONNECTIONS
The generator front panel controls and connectors are
shown in figure 3-1 and keyed to the following descriptions.
POWER Switch
Turns generator on and off.
Frequency Dial
Settings under the dial index mark multiplied by
@
determine the output signal frequency . The
dial calibration marks correspond to the frequency
(black) numbers only. The period (grey) numbers
are approximations only . Refer to table 3-1 for
quick period /frequency conversion . The frequency
can be varied by the vernier
@
and the VCG
signal
@
3
SECTION
OPERATION
GE NER ATOR MODE Switch
Selects one of the following three modes.
CONT - Continuous output at FUNCTION OUT,
SYNC OUT and, if PULSE WIDTH is on , PULSE
OUT connectors.
TRIG - DC level output at all six output connec -
tors until the generator is triggered by MANUAL
TRIGGER switch or with a signal at the TRIG IN
connector. When triggered , the generator output is
one cycle of waveform or one pulse period followed
by a de level.
GATE - As for TRIG except the output is contin-
uous for the duration of the trigger signal at TRIG
IN . The last cycle or period started is completed.
FUNCTION
Il.
VARI A8ll
a
PULSE WIDTH
ATTENUATION (dBi
VERNIER •
Figure 3-1. Controls and Connectors
3-1