Controls And Connections - Wavetek 188 Manual

31 CONTROLS AND CONNECTIONS
The generator front panel controls апа соппестог5 аге
shown in figure 3-1 and keyed to the following descrip-
tions.
1 Frequency Dial — Settings under the dial index
mark summed with 21 апа multiplied бу 4
determine the output signal frequency and the
sweep start frequency in sweep mode. The dial
is engraved with both linear and logarithmic
scales: outer scale linear and inner scale
logarithmic.
2 POWER Button — Turnsgenerator ON and OFF.
3 STOP Knob — Sets the upper frequency limit
when CONT 5 is depressed and SWP/STOP 6 is
extended.
SECTION 3
ОРЕВАТІОМ
FREQUENCY MULTIPLIER Controls — Selects
one of seven frequency multipliers for dial 1 set-
ting.
CONT Button — Selects sweep submode to
main generator's continuous mode. Extended is
continuous (nonsweep) mode while depressed is
sweep mode. Sweep is from a low frequency set
by 1 to a high frequency set by 3. Main generator
mode control 8 must be in continuous mode (ex-
tended).
SWP/STOP Button — When button is depress-
ed (and 5 depressed and 8 extended) selects
repetitive sweep of the main generator frequen-
cy. When button is extended, the frequency is
stopped at the upper sweep limit with upper fre-
quency being set by STOP control 3.
LIN/LOG Button — Selects linear or
logarithmic frequency distribution of sweep,
зи МАМ
OR. мок ам помени таю
Figure 3-1. Controls and Connectors