HCS Limited KWR1018M0 User Manual

KWR101830/01B 

Manual (Draft Version) 

 

Status :Draft, For Review 

Page 14 of  14 

 

 

 Restricted 

 
 
 
 

 

All the buttons have auto-repeat function, that is, when a key is continually pressed, the RC will 
transmit the corresponding code until the 30 seconds Stuck Key timeout.  

 

The RC comes with three 1.5V batteries working in series to give a total maximum of 4.5V ~ 4.8V.  
The depletion of the battery power will be in 2 stages. LED blinking is dependent on the remote 
control side, red LED for RC side, amber LED for KEYBOARD side.  
 
Note: The Remote will only check for low voltage after it goes to sleep and wakeup, OR every 3s 
interval while the Remote is active.  
 
1) Stage 1, Working voltage (4.8V to 3.3V) 

 

 
All keys and functions will work as normal.  
2) Stage 2, Very Low voltage (3.3V and below) 

 

 
Very Low voltage detection triggers from 3.3V and below.  
RC LED gives 2 long blinks in red each time a valid RC key is pressed  
KEYBOARD LED gives 2 long blinks in amber each time a keyboard key is pressed  
No IR or RF codes will be sent from the RC.  
 
Note: All the voltages have a 0.05V tolerance.