Instruction manual

4.2.10.1.3. Contrast

w) to 90 (high). User determines what

is best for specific application lighting. 60 to 70 typically provides the best

the previous section depress

Adjusts the contrast between the displayed characters and the display

background. Selectable from 50 (lo

contrast range.

From to navigate to Contrast. Depress to make the

constant active. Use

and to increase or decrease

the Contrast value. When complete, depress

. When

all changes are complete, depress Prev

and save

changes as described in section 4.1.2.

4.3. Infrared Remote

An IR remote is provided with all TACHTROL based explosion proof and

NEMA 4X products and is also available as an accessory to all TACHTROL

based tachometers. The IR remote allows full control of all front panel viewing

and programming function. As long as line of sight can be established, the IR

link will work through clear windows without the need to open the rated

enclosures or establish direct contact with the front panel. Each key on the

remote is mapped to the corresponding front panel keys. Programming is the

same as described in the preceding sections.

The IR remote is common to all TACHTROL displays. When two displays

are in close proximity, it is possible that both will receive commands

simultaneously. Take precautions to ensure that only one display receives IR

commands at a time. If this occurs, the system may lock up and power will

need to be cycled on/off.