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11-85-0000 VHF & UHF POCKET PAGING TRANSMITTER
Product Manual
Sea Air and land Communications Ltd, 10 Vanadium Place, Addington, Christchurch 8024, New Zealand
January 2018
Initiating Transmissions
There are four ways of initiating a paging message transmission:
•
Button Press
•
Using the external discrete inputs
•
Watchdog
•
RS232 Serial commands
Button press
The 11-85SE will remain in a sleep mode, with zero supply current, until a button is pressed. This
action will initiate a transmission as per the configuration. Note that on single button units, only
button 2 is used.
External Discrete Inputs
A transmission can be initiated from one of the four external inputs with an input transition to
LOW (connection to GND).
Watchdog
The watchdog feature will initiate an action after a predetermined period. The watchdog also
optionally allows the transmission of the current state of selected inputs.
Note: to use the watchdog feature a jumper must be fitted across pins 3 and 4 of connector
P8, or have a serial lead connected and in use. When used in this fashion an external power
supply should be used because the unit does not power down between transmissions.
Using the RS232 Serial Commands
Serial commands can be “manually” issued to an 11
-85SE from a PC via a Salcom 11-46
Programming Adaptor cable using a terminal program such as PROCOMM or Hyperterminal.
