12.2 Control and Display Elements
12.2.1 Display
Poisoning or chemical burns due to damaged
display
If the display is damaged, avoid direct skin contact, choking, breathing in of
leaking liquid or gas!
Burn-in effects on the display due to missing
image changes
Static image parts displayed on the display for a longer period (> 1 hour) can
result in so-called "image sticking". Image sticking refers to a previously dis-
played image still being displayed as shadow following an image change. Higher
environment temperatures during the operation can accelerate the burn-in ef-
fect. To avoid irreversible damage, regularly actuate the display with a back
screen via the visualization application. The recommended actuation interval is
15 minutes.
The operating device is equipped with different displays, depending on the mod-
el (see chapter 12.3 "Variants" on page 19).
12.2.2 Touchscreen
Risk of destroying the touch screen or the front
panel by using inappropriate items.
Operate the touch screen only with your finger or with a special touch pen
(parts number 1070923266).
12.2.3 Real-Time Clock
The real-time clock is buffered by a capacitor. The capacitor reaches maximum
capacity after 48 hours of trickle charge. After the maximum load, the real-time
clock can be buffered for approximately 10 days.
12.3
Variants
The IndraControl VR 21 devices are available in different variants. The devices
differ in display size and touch technology (single and multitouch).
VR 21
Bosch Rexroth AG
Device Description
DOK-SUPPL*-VR21**.01**-IT02-EN-P
19/29
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