Crestron ug sts sts-c Benutzerhandbuch

Crestron ST-1550 & ST-1550C 

SmarTouch STS Touchpanels

The table below provides corrective action for possible trouble situations. If further 
assistance is required, please contact your dealer.  

Touchpanel 
display is  

Backlight timeout has 
elapsed. 

Touch screen to reactivate.

dark.

Power is not applied to 
the touchpanel.

Verify that the touchpanel is receiving power 
from either the ST-BTP, ST-DS, or an 
external AC power pack. 

Touchpanel 
display is  
dark or too 
light.

Screen brightness or 
contrast is improperly 
set. 

Hold a finger to the touchscreen for more 
than 10 seconds as power is applied. The 
display sets the brightness and contrast to a 
safe value. 

Unexpected 
response 
from 
touchpanel.

Touchpanel is 
incorrectly calibrated. 

Enter "setup mode" and recalibrate. Refer to 
"Calibration". 

System does 
not 

No power to the 
system. 

Confirm power is supplied to the system. 

function 
(LEDs on 

Touchpanel is 
incorrectly calibrated. 

Enter "setup mode" and correct. Refer to 
"Interface Menu". 

ST-CP do not 
illuminate).
RF LED on 
ST-CP does   

ST-CP is not receiving 
power. 

Verify that the external AC power pack is 
attached to ST-CP. 

not illuminate 
when trying to 

RF transmitter in 
SmarTouch is faulty.

Contact your dealer. 

control A/V 
equipment.

RF antenna is not 
securely attached to ST-
CP RF port. 

Verify that ST-CP RF antenna is properly 
attached. 

RF antenna is not 
properly located (i.e., 
inside a metal rack). 

Remotely locate RF antenna. Mount the 
antenna outside of the rack by using a 
bulkhead type BNC barrel and a BNC to BNC 
50 ohm cable. 

A/V device 
does not 
respond. 

STIRP or serial port not 
placed properly.

Verify placement of STIRP (Hold phosphor 
card under STIRP while pressing button) and 
tightness of serial cable.

Used wrong IR or serial 
port.

Verify proper IR or serial port is defined.

 

If after reviewing this User’s Operations Guide, you still have additional questions 
about using your system, please call the dealer in your area. 

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