Console description
ENVI-MAG Manual A3-3
Instrument
Console description
# Item Description
1
Keypad The fully sealed Keypad has 19 keys and a sound port.
2
Liquid Crystal
Display (LCD)
The large 8 line by 40 character (64 x 240 dots)
Supertwist LCD (with a wide temperature range)
presents status and data in numeric or graphic format.
3
Carrying Strap
Attachment
Four rings at the side of the console allow attachment of
the carrying harness.
4
Sensor
Connectors
Up to two sensor connectors may be present at the left
hand side of the console. The nearer one (J102) is
reserved for the magnetometer.
5
Data Output
Connector
The data output connector carries RS-232 data dump
signals, as well as the analog signal for a strip chart
recorder and is located at the right hand side of the
console.
It has the following pin assignments:
A - common (ground), C - RS-232 transmit data,
B - RS-232 receive data. D - analog out O - 1 Volt,
6
Charger/
External
Power
Connector
This connector accepts the charger to recharge either
the standard battery or the external heavy-duty battery
pack. It also accepts external, well filtered, 11 to 16
Volt DC input.
The center pin is negative (-).
The shell is positive (+).
7
Charging Light The charging light is visible through a window at the left
side of the console. It is lit while the battery is charging
at a high rate.
8
Battery
Compartment
The battery compartment is located at the back of the
console and contains one rechargeable lead-acid
battery, the desiccant cartridge and the fuse. The
battery cover is replaced with another cover with a
cable attached when the external battery is used.
9
Desiccant
Cartridge
The desiccant cartridge is a cylindrical re-usable capsule
filled with a drying agent. It absorbs any moisture that
may get inside the instrument.
10
Battery A rechargeable lead-acid battery in the standard
ENVI-MAG configuration.
11
Fuse The standard 1.5A fuse to use with the standard
battery.
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