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Section 5. Installation
5-5
command “78#”. The Model 30 will key the transmitter, put out two beeps,
and remain keyed for two seconds. While the Model 30 has the transmitter
keyed, the installer should key his radio and encode a DTMF digit (any digit,
it doesn’t matter) for about 4 seconds. The Model 30 will unkey its
transmitter and measure how long it takes to decode the DTMF digit being
sent. This allows it to determine how long it takes the radio to go from
transmit to receive, and to set the sample window.
7.
EXIT THE TEST MODE:
Enter a “99#” to exit the program mode and
return to the normal operating mode.
Note: The VOX threshold should be checked and if need be adjusted
anytime the Model 30 is used in the simplex mode.
8.
SETTING THE TELEPHONE VOX THRESHOLD:
Remove the top of the Model 30 and locate the VOX adjustment pot (R42).
Call the Model 30 from the phone and then answer it from the radio, the
default answer code is “*1”. Adjust the VOX pot until the Model 30 keys up
reliably when you talk on the phone and unkeys reliably when you stop
talking. Once you have the Model 30 tracking voice on the phone, you can
terminate the call (default is “#1” from the mobile, “#0” from the phone) and
put the top back on the unit.
That completes the adjustments. You can now program the unit for your
installation. If you have any problems or questions, NOW IS THE TIME to call
425-820-6363 and ask for technical assistance on the Model 30.
Note: While it is true, generally speaking, that the Model 30 will take
commands in any order, it will not allow you to use commands specific to
simplex operation while it is set for half-duplex, and vice versa. If you get
an error tone back in response to an otherwise valid command, try
entering “33# 1#” or “33# 2#” as appropriate, and then try the
command you were working with again.
OPTIONAL DIGITAL VOICE DELAY
The optional digital voice delay module is available to enhance the simplex mode
of operation. When installed, the phone to mobile audio is delayed 0.5 seconds
allowing the Model 30 to key the transmitter before the phone audio reaches the
transmitter. This ensures that the mobile units will hear the first word spoken by
the phone party. To add the digital voice delay to a Model 30, do the following:
1.
Remove power from the unit.
2.
Remove the top cover.
3.
Mount the board on connector J2.
4.
Secure the board with a #440 x 0.25
″
screw.
5.
Remove JP4.
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