
Page 42
Pointek CLS500 – INSTRUCTION MANUAL
7ML19985GG03
mmmm
m
User Int
e
rf
ac
e
User Interface: Pointek CLS500
The Pointek CLS500 user interface consists of the display (LCD), the rotary switch and
two push-buttons. The rotary switch enables you to select a particular item and/or
variable for read-out and/or adjustment: the push-buttons allow you to select and/or alter
a read-out or a value.
The integrated LCD (display)
The seven-segment LCD (display) shows the value and/or diagnostic information. It is
mainly for numeric data, but there are also a number of indicators which use alphabetic
characters. A list of these LCD displays, together with the associated menu items, is
shown in
Appendix B: LCD display examples
When FailSafe mode is selected
1
, the LCD blinks when the probe is uncovered; it is
steady when the probe is considered covered.
The LCD will hold information for a long time even when not refreshed (for example, if
there is a loss of power). The heartbeat indicator blinks continuously whenever the
device is working. A still heartbeat indicator signals that the device has stopped working.
1.
FailSafe High is the factory setting.
Type:
Ser.:
Date:
Rev.:
Tampering voids warranty
solid-state
switch (any
polarity)
current-loop
connection
(any polarity)
RED (+) push-button
increment value
BLUE (–) push-button
decrement value
earth TAB
tank / vessel frame
coaxial connector
probe connection
measurement connection
rotary switch
menu selector
LCD
label
(protective
seal)
left-most decimal point/heartbeat indicator (flashes twice per second)
value MINUS sign (– )
left-arrow indicates Menu Level 10 to 1F
left-most colon:
indicates value
accepted
(debounce time
passed)