present the only ways to determine if an update has completed is to
attempt to reconnect to the remote K4, using a client connection, or by
looking for a response to any two-letter GET command sent via a
computer at the remote installation.
There are two cases for remote K4 software update (see below). After
either method completes, client connections can then be made.
• If R36.BETA1 or later is already installed on your server K4, you can
perform future updates by first establishing a connection to it from a
client device, then executing a "PS89;" command directly from the client
radio via a switch macro (see MACRO PROGRAMMING). Alternatively,
you can use the method described below, which works in all cases.
• If R36.BETA1 or later software has not yet been installed, use the
following steps: (1) Establish access to the remote radio via a computer
at the local installation, through a wired connection (USB, RS232, or
Ethernet). (2) If the remote K4 is currently set up to use Production
releases but you need a Beta release, send the remote K4 an “RLB;”
command to switch to Beta releases. (3) Send the remote K4 a "PS88;"
command. (4) Upon completion of the software update, send the
remote K4 an "RRPtext;" command, where text is the desired server
password, of any length. Sending this command will also set the number
of clients to 1. (5) If you wish to change the number of clients, send an
"RRCn;" command, where n is 0 to 4.
Further details on remote-control commands for software update, etc.,
can be found in the K4 Programmer's Reference.
Turning a Remote K4 Off / On
You can use a macro to send a "PS0;" command to power off a remote
K4. However, you cannot send a command to turn the K4 back on. (The
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