Table 3-1. Operator Controls and Indicators

TM 11-6625-255-14/TO 33A1-13-170-1

Table 3-1. Operator Controls and Indicators Continued

Function

Control, indicator, or fuse

Function

Position

Used to measure ac signal

METER

voltage when input sig-

nal is c o n n e c t e d to

METER binding post.

Adjust equipment in conjunction with DISTORTION posi-

BALANCE control.

tion of function switch.

Adjusts equipment to prevent internal interference.

HUM BAL control.

Selects proper range scale in dB, dBm, percentage, or rms

Meter range switch.

values for meter. Each setting of switch represents full-

scale deflection of meter equivalent to designation of posi-

tion.

Shows measurements by needle deflection on designated scale

Meter indicator.

when used with meter range switch.

Protects equipment from line surges, or application or wrong

1.6 AMP fuse.

voltage.

Protects equipment when internal short circuit occurs.

.15 AMP fuse.

Changes transformer T1 input connections for 115V or 250V

115-230V switch (TS-723C/U and TC-723C/U).

source.

Figure 3-3. Rear panels, Spectrum Analyzer TS-723( )/U

3-3