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The M-840L Pendant and Wristwatch transmitter is designed to directly page the 

nurses or health care persons with a single “Red Bell ” Button depressing. No need to 

dial any telephone to get the urgent helps. And the installation is simple without any 

wiring connections. Also, the operation is easy to access every quick emergency aids.

 

Calling Nurse for helps? You can simply just by pressing the “Red Bell” button

 

 

Main Features

 

A. 1 PCB Board with 2 case (1 for Pendant, 1 for Watch )

 

B. Water Free resistance in 10M

 

C. White color and Black color (If any special color desired with minimum 1,000 PCs)

 

D. PLL (Frequency synthesized) 410-490MHz, 868MHz and 915MHz..

 

E. Frequency RF power and POCSAG capcode Programming by Micro USB

 

F. Long battery life use x1 CR-2450 over 2 years (10 times TX per day)

 

G. TX LED indicate and Battery low flashing

 

H. Battery low sand a capcode   

I. Continuous key in option for more capcode can be sending.

 

 

 

 

 

Summary of Contents for M-840L

Page 1: ...1 Pendant and Wristwatch Paging Transmitter POCSAG Model No M 840L Operation Manual ...

Page 2: ...ps You can simply just by pressing the Red Bell button Main Features A 1 PCB Board with 2 case 1 for Pendant 1 for Watch B Water Free resistance in 10M C White color and Black color If any special color desired with minimum 1 000 PCs D PLL Frequency synthesized 410 490MHz 868MHz and 915MHz E Frequency RF power and POCSAG capcode Programming by Micro USB F Long battery life use x1 CR 2450 over 2 ye...

Page 3: ... Character Message data Numeric or Alphanumeric RF output 1 12 mW Programming Modulation FSK NRZ Deviation 4 5Khz Stability 10 ppm Pager Capacity 1 Button and 1 Battery alarm auto trig Battery CR2450 Lithium battery x 1 PCs Battery life about 2 year 10 Time per day Programming I O via Micro USB with P C Size 39mm X 17mm Housing Color ABS Black Model Weight 24gs with batteries ...

Page 4: ...4 A How to program the M 840L 1 Open the M 840L rear case battery cover 2 Insert the Micro USB programming cable into the M 840L J1 3 Connect the USB cable to the P C or N B computer USB Port ...

Page 5: ... for POCSAG encoder option 2 Tone A B C D For pager alert tone for POCSAG encoder option 3 Type For pager numeric or alphanumeric type selection 4 Message Pre programming the encoder messages for pager contents 5 ID For the ID call system such as each specific nurse ID set up 6 Data Rate POCSAG data speed and baud rate in 512bps or 1200bps or 2400bps types 7 Repeater Each paging to be calling repe...

Page 6: ... into your devices 18 Exit Exiting the programming screen Factory Default Set up The Key button Red key push 1 time for Capcope 1 sending with TX LED flashing 1 time Customers Option Set up by Order Request The Key button Red key in a continuous 2 times depressing each for Capcope 2 sending with TX LED flashing 2 times The Key button Red key in a continuous 3 times depressing each for Capcope 3 se...

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