Audience
This service manual is primarily for system / service engineers, distributors and dealers. It carries the
assumption that the reader understands the basic operating concepts.
Purpose
This manual contains reference data for
Speco Technologies
monitor. It gives information regarding
the operating principles of monitors, as well as technical service and maintenance information.
1. Introduction
The
VM-901B
b/w monitors produce high resolution center 1000 lines, high contrast pictures on a
9-inch diagonal screen.
The monitor is housed in an enameled steel cabinet for ruggedness and durability, and with the exception
of the picture tube, the circuitry is all solid state. It also feature video loop through connector with
switchable high-Z / 75 ohm termination.
It can be single or double mounted in a standard 9-inch rack. Front panel controls include brightness,
contrast, vertical hold horizontal hold and AC power on/off.
The VM-901B is an excellent choice when you require a rugged, compact B/W monitor. The exquisite
and reliable design of this monitor will provide years of trouble- free operation.
1.1 Operational Specification
1.1.1 Operating
Environment
‧
Temperature
Operating
：
-10 to + 50
℃
Storage
：
-20 to +70
℃
‧
Humidity (Relative)
Operating
：
10 to 85% non-condensing
4
