Question about Radio Communications
SQL set at 3, no amount of re-setting the squelch level can remove the hissing sound and the green LED which is always on.
Try to recharge your batteries or replace them!!!Please tell me what you did, if there was a solution by this...then I will review your problem...thnx
Posted on Jun 09, 2014
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Posted on Jan 02, 2017
That is a Maratrac, the squelch is adjustable thru a variable resistor on the audio/squelch board within the chassis. It is labeled R1132 SQUELCH, and is located very close to the locking handle. Some models have a metal bracket that holds the interface board, (thats the only board in the chassis that is mounted vertically), if you remove this bracket you can see R1132 alot easier, but do not need to remove the bracket to adjust R1132. Clockwise tightens the squelch. One catch though, for this adjustment to work, the radio must have been programmed with the unmuting/muting setting in the RSS, set to And/Or. It comes from the factory set for Std/Std. And in my 15+ years in the business, I have seen only one programmer that changes this setting. Me. Good Luck.
Posted on Feb 26, 2008
SOURCE: RPL & TPL tones used in T-5720
The T5720 user manual does not list the TPL codes possible in the radio. However, they are the standard list, with zero being "open squelch" (no code). Here is a link to a Motorola manual which has a list of the PL codes in order on page 43. http://www.thekidshuttle.com/ABC%20Docs/CP100_Manual.pdf
On the T5720, another item to what for is the Qt noise filter. Be certain to set it to zero unless using the T5720 with others of the same model. It can also block transmissions. Here is a link to a user manual for the T5720 http://lib.store.yahoo.net/lib/starbattery/T56XXusersguide.pdf
Posted on Sep 22, 2008
SOURCE: tone squelch
Here is a link to download the user manual for the GP68 http://safemanuals.com/user-guide-instructions-owner-manual/MOTOROLA/GP68%20RADIO%20TRANSMITTER-_E
On your first radio, the one we've been discussing, I believe you have the DPL code set incorrectly. Your radio will go up to the number 126, but this is not the DPL code's number. It is simply a numbering system.
If I read the chart correctly:
DPL 205 equals the number 072.
DPL 023 equals the number 043.
Disclaimer: This numbering system listed in the user guide does not follow any common numbering system. I have other TPL/DPL charts which differ. The above reference is only based on what I have read in the user guide.
I am confident if your radio worked previously at another job site, using other frequencies/PL codes, that your only issue at this time is programming.
As for your unlock issue on the other GP68. Your radio may be in need of repair. The internal button is possibly wornout or has been depressed too far, and is bent on the board beyond the point of functioning.
Posted on Sep 29, 2008
SOURCE: MOTOROLA RADIUS GP900
Unprogrammed channels will have a constant tone. It is possible your radio is unprogrammed. A dead battery tone is only for a moment, and is usually a medium tone then a low tone, sounding somewhat like beeedeeep.
Posted on Dec 08, 2008
check this link at page 21 or see below
CTCSS PRIVACY CODES FREQUENCY CHART (Hz) Code Freq. Code Freq. Code Freq. Code Freq. Code Freq. 1 67.0 9 91.5 17 118.8 25 156.7 33 210.7 2 71.9 10 94.8 18 123.0 26 162.2 34 218.1 3 74.4 11 97.4 19 127.3 27 167.9 35 225.7 4 77.0 12 100.0 20 131.8 28 173.8 36 233.6 5 79.7 13 103.5 21 136.5 29 179.9 37 241.8 6 82.5 14 107.2 22 141.3 30 186.2 38 250.3 7 85.4 15 110.9 23 146.2 31 192.8 8 88.5 16 114.8 24 151.4 32 203.5 * Channel 8,9 and 10 are designated Canadian Marine Frequencies * Channels 8~14 are low-power FRS license free channels Note: Privacy codes can be programmed for use on Channels 1~22 only
Posted on Feb 04, 2010
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The unit has LED activity indicators on the front of the case provide a status display indicating error conditions, transmission, and network activity for the 802.11a (amber) radio or the 802.11b/g (green) radio.
802.11a Activity LED Amber
The amber LED flashes three times per second until firmware is loaded. During boot, 802.11a mobiles cannot associate. After adoption, the amber LED is steady or flashes with 802.11a radio traffic.
The amber LED flashes once per second if an error prevents the 802.11a radio from operating normally.
802.11b/g Activity LED Green
The green LED flashes three times per second until firmware is loaded. During boot, 802.11b/g mobiles cannot associate. After adoption, the green LED is steady or flashes with 802.11b/g radio traffic.
The green LED flashes once per second if an error prevents the 802.11b/g radio from operating normally.
From this, it appears that the 802.11A radio is malfunctioning.
Here is the Motorola support web page for this device.
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