ESI 250-DA - ESI Model 250-DA Panel Layout and Controls

POWER
SWITCH
AND AC
AMPLIFIER
GAIN
POWER
indicator
LAMP
EXTERNAL D-Q
TERMINALS
AC
NULL INDICATOR
^
GND
I
AC
DETOUT
DETECTOR
TUNING
NETWORK
EXTERNAL
DETECTOR
TERMINALS
ZERO
SET
TERMINALS
LOCK
GALVANOMETER
D-Q
DIAL
DETECTOR-
SWITCH
GENERATOR
SWITCH
1 KC
IMPfOANCE
BKI D G E
/
„ o o
“EXTERNAL
GENERATOR
TERMINALS
—
-ac-dc switch
AND AC GENERATOR GAIN
/
FUSE
0
0||||
DC GENERATOR
—
—
VOLTAGE SWITCH
KC-
^^11
—generator
TUNING
—lilgM
NETWORK
-UNKNOWN
TERMINALS
-CIRCUIT SELECTOR
SWITCH
-MULTIPLIER
SWITCH
-MAIN DIAL
MODEL
250
-DA
PANEL
CONTROLS