Miteq D-9301, Руководство по эксплуатации и обслуживанию, Страница: 20 / 86

3-1
SECTION 3
OPERATION
3.1 INTRODUCTION
The following paragraphs describe the controls, adjustments and
procedures for turn-on, operation, emergency operation and shut
down of the converter.
3.2 CONTROLS
3.2.1 EXTERNAL CONTROLS (Figures 1-1, 1-2 and 3-1)
A. On/Off switch (A1A2) applies AC power to the converter
B. Fuse (A1A1): 2.0A for 100 and 120 VAC
1.0A for 220 and 230/240 VAC
C. AC Power Selection (A1A1)
Voltage input is selected using a card located below the fuse on
the AC input connector. The selected voltage input is indicated
on the installed card. To change the voltage input, pull the
card out and replace it with the desired voltage facing out. The
card can be used to set the AC input voltage to 100, 120, 220, or
230/240 VAC.
D. Gain Control
The front panel potentiometer provides 6 dB minimum of gain
control. If Option 3C is ordered the front panel potentiometer
will provide a minimum of 30 dB gain control.
E. Data Entry Section
The keyboard is used for all numeric entry into the converter. A
tone will sound for data entry error. There are two keys on the
keyboard in addition to the standard numeric keypad and decimal
point:
1. "CL" - This key is used to clear the LCD display.
2. "ENT" - This key is used to terminate commands.