Midland Radio Two Way Radio GXT255 User Manual

Owner’s Manual  
For Model GXT255  
GMRS/FRS Radio  
FEATURING  
22 Channels  
38 CTCSS codes  
VOX  
Monitor function  
Call Alert  
Backlit LCD  
Scan  
Roger Beep Tone  
 
Index  
Accessories  
4
Introduction  
5
Controls and Buttons  
LCD Display  
6
7
Installing Batteries  
8
Charging the Batteries  
Operation  
9
10-15  
15  
16  
17  
18  
19  
20  
External Speaker/Microphone Jack  
Installing the Belt Clip  
Problems & Solutions  
Technical Specification  
Frequency and Privacy Code Charts  
Warranty Information  
- 3 -  
 
AVP- 1  
AVP-2  
-
2 Over the Ear Mic.  
Headsets w/ PTT.  
-
-
-
One Dual Desk Charger  
2 Rechargeable battery packs  
1 AC Adapter  
- 4 -  
 
Introduction  
Your GXT255 represents the state-of-the-art in high-tech engineering. Designed for  
General Mobile Radio Service operation, this compact package is big in  
performance. It is a quality piece of electronic equipment, skillfully constructed with  
the finest components. The circuitry is all solid-state and mounted on a rugged  
printed circuit board. Your GXT255 is designed for reliable and trouble-free  
performance.  
- 5 -  
 
Control Buttons & Indicators  
Use  
to:  
Monitor Channel  
Activity  
Use  
to:  
- Turn On/Off the Radio  
- Enter/Exit the menu  
Use  
to:  
Ext. Spk/Mic  
- Talk on the Radio  
- Send a Call Tone  
- Save a setting  
Use  
to:  
- Increase the volume  
- Scroll through the menu  
Use  
to:  
Use  
to:  
- Decrease the volume  
- Scan for active  
channels  
- Scroll through the menu  
- Lock the keypad  
Speaker  
Microphone  
- 6 -  
 
LCD Display  
Low Battery Level Indicator  
Keypad Lock Icon  
VOX Icon  
Transmit (TX) Icon  
Privacy Code Indicator  
Channel Indicator  
Receive (RX) Icon  
Power Hi/Lo Indicator  
- 7 -  
 
Installing Batteries  
Your GXT255 radio operates with either 4 AAA Alkaline Batteries or optional NiMH  
Battery Pack. The belt clip should be removed (Page 16) to ease installation or  
removal. To install the batteries:  
1. With the back of the radio facing you, remove the Battery Cover by sliding it down  
from the unit.  
2. Insert 4 AAA batteries observing the polarity as shown. Installing the batteries  
incorrectly will prevent the unit from operating or can damage the unit.  
3. Return the Battery Cover by sliding it up from the unit.  
Note: Batteries are not included.  
- 8 -  
 
Charging the batteries  
Your GXT255 is equipped to allow using a rechargeable NiMH battery pack (not included) which can  
be recharged by an A/C Charger/Adaptor (not included) through the MIC Jack of the radio, or using a  
Desktop Charger (not included). Batteries must be charged when the low battery icon flashes on the  
display.  
Initial charge time is 24 hours with a charge time of 8 – 12 hours thereafter.  
For maximum battery life, we recommend charging the batteries when the low battery indicator comes  
on.  
Remove the radios from the charger when the charge time expires.  
Accessories: CA-1410D. Wall adapter for charging through the MIC jack.  
AVP2. Desktop charger with 2 AAA rechargeable battery packs.  
To charge through the MIC Jack :  
- Connect the AC Adaptor/Charger into an A/C Wall Outlet.  
- Insert the Adaptor/Charger jack into the MIC Jack of the radio found at the side of the unit.  
To charge through a Desktop Charger:  
- Connect the AC Adaptor into an A/C Wall outlet.  
- Insert the Adaptor Jack into the Desktop charger jack.  
- Place the units into the Desktop Charger slot and note that the LED indicator of the Desktop Charger  
will light up to indicate charging function.  
Note :  
1.  
Only use batteries indicated in the manual, or our NiMH battery pack. (see page 4)  
Do not attempt to charge Alkaline batteries or any batteries or battery packs other than the one  
indicated in the manual. This may cause leakage and damage the unit.  
2.  
3.  
For long term storage of the radio, turn the unit OFF and remove the batteries from the radio.  
- 9 -  
 
Operation  
Power On/Off : Press the  
button for more than 1 second to turn the radio on.  
button for over 3 seconds to turn the radio off.  
Press the  
Volume : Press the  
button to increase the volume, and press the  
button to  
decrease the volume during normal operation.  
Talking and Listening : To communicate, all radios in your group must be set to the  
same channel and privacy code.  
For maximum clarity, hold the radio 2 to 3 inches from your mouth.  
Press and hold PTT button and speak in a normal voice into the microphone.  
The TX icon will appear continuously on the LCD Display when transmitting.  
To receive messages, release the PTT button. The RX icon will appear on the  
display when your radio is receiving a transmission.  
Monitor button : Pressing and holding the  
noise so you can adjust the volume level of the radio when not receiving a signal.  
The should be used to check activity on current channel before transmitting.  
Press and hold the for 2 seconds to return to normal operation.  
button for 2 seconds will let you hear  
- 10 -  
 
Call Tone : Your GXT255 can transmit a call tone for a fixed length of time. To send  
a call tone, press the PTT twice rapidly. The TX icon will appear during transmitting  
a call tone and tone can be heard on the speaker for confirmation.  
Scan : Your GXT255 can scan all of the 22 channel to observe for any activity. To  
enter the scan mode, press and hold the  
button for one second.  
Press button again to exit the scan mode.  
Your radio will rapidly scan each of the 22 channels and stop on any active channel.  
When you press the PTT button to transmit on an active channel, the scanning function  
will stop. To resume scanning, press and hold the  
button for one second.  
Keypad Lock : To avoid accidentally changing the radio operation, press the  
button for 3 seconds . The icon will appear on the display. When the is on the  
LCD display the and button will be disabled. When locked, you will be able  
to turn the radio off and on, monitor, transmit/receive, and send a call tone. To  
unlock, press and hold the for 3 seconds.  
Backlit LCD : Your GXT255 comes with a backlit LCD display to enable you to view  
the setting in a dark environment. The backlighting can be turned on/off by pressing  
the  
button. The backlighting will turn on for 5 seconds.  
- 11 -  
 
User Interface  
To access the advanced features of your GXT255, your radio has the following menu  
functions:  
PRIVACY  
CODE  
Mode  
Channel  
1~22  
Power  
Hi/Lo  
VOX  
Roger  
On/Off  
oF~38  
On/Off  
Note : The unit will automatically go to normal mode after 5 seconds of no button activity  
during menu setting.  
Channel Selection : Your GXT255 has 22 channels available. To change channels:  
With the radio on, press  
flashes.  
until the current channel segment  
Use the  
or  
buttons to change the channel.  
Press the PTT button to save the new channel.  
- 12 -  
 
Privacy Code Selection : Your GXT255 has 38 privacy codes available. The  
selected privacy code may be different for each channel. To select a privacy code for  
the current channel:  
With the desired channel selected, repeatedly press  
current privacy code number flashes.  
until the  
Use the  
or  
button to change the privacy code number.  
Press the PTT button to save the new privacy code or press the  
repeatedly until you exit the menu.  
Note : Selecting a privacy code of “oF” will disable the the privacy code feature. To  
communicate between two GXT255 radios, both the channel and privacy code  
selections must be the same. To communicate with other models and brands of  
radios the actual radio frequency and privacy code frequency must be matched. The  
frequency chart at the back of this book are included to help with this selection. In  
general, the first fourteen channel selections may be used to communicate with most  
FRS radios.  
- 13 -  
 
Power Selection : Your GXT255 has two transmit power levels. To select the power  
level on channels 1~7 and 15~22:  
Press  
Press  
repeatedly until the “Pr” appears on the display.  
or to select between high and low power levels. The  
HI/Lo icon will alternately appear during setting.  
Press the PTT button to save and exit.  
The HI or Lo icon will appear on the display depending on your setting.  
Note : On channel 8~14 no power level selection is possible  
VOX : VOX (voice operated transmit) operation allows you to transmit without using  
the PTT button when using a headset. To enable VOX operation:  
Insert the headset plug(s) into the SPK/MIC jacks.  
Set the radio into VOX mode.  
To set the radio to VOX Mode, repeatedly press the  
button until the VOX icon  
flashes on the LCD display. Press the or button to turn the VOX on or off,  
an “on” or “oF” will appear on the display during setting. The VOX icon will appear  
on the LCD display if the radio is set into VOX mode.  
- 14 -  
 
Roger Beep Tone : Whenever you release the PTT button, a “Roger Beep” tone  
may be transmitted to let your friends know you are finished talking. To enable the  
Roger Beep, presthe  
Press the and  
button repeatedly until the “rb” appears on the display.  
to set the Roger Beep tone on or off. An “on” or “oF” will  
appear on the display during setting.  
External Speaker/Microphone Jack  
Your GXT255 can be used with an optional external speaker/microphone or headset,  
freeing your hands for other tasks. To use an optional speaker / microphone or  
headset:  
Insert the plug(s) into the SPK/MIC  
jacks  
Place the earbud into your ear, and  
adjust the mic into your desired  
position.  
- 15 -  
 
Installing the Belt Clip  
To install the belt clip:  
Slide the clip up into the slot on the back of the radio until the latching  
mechanism clicks.  
To remove the belt clip:  
Pull the latching tab outward, then  
gently slide the belt clip down  
toward the bottom of the radio.  
- 16 -  
 
PROBLEMS & SOLUTIONS  
No Power  
- Check battery installation and/or replace batteries.  
Cannot Receive  
Messages  
- Confirm the radios have the same channel settings.  
- Make sure that you are with in range of the other transceivers.  
- Buildings and other obstructions may interfere with your communication.  
Radio is not  
- Make sure key lock is not on. See “Keypad Lock” (Page 11).  
- Radio might need to be reset. Turn radio off then on.  
- Ensure accessory microphone is set properly.  
responding to  
button presses  
Display is dim  
- Reposition or replace batteries.  
- Contacts on the bottom of the radio may require cleaning.  
- Ensure that the outlet the charger is plugged into is functioning properly.  
- Check that the batteries are installed in the radio properly.  
Charger not  
functioning  
- 17 -  
 
Technical Specification  
A. Specification  
Channels  
22 Channels + 38 Privacy Codes  
Operating Frequency  
Power Source  
Output Power  
UHF 462.5500 ~ 467.7125 MHz  
4 AAA Alkaline or rechargeable Ni-MH Batteries  
Typically 2 Watts HI, 0.5 Watts LO  
B. Current Drain :  
Receive : 150mA max  
Transmit : 900mA max  
Standby : Average 14mA max  
C. Operating Time : Based on 900mAH (Alkaline battery) capacity  
Talk Time : 1~1.5 hours  
Receive Time : 12 hours  
Standby Time : 60 hours  
Combined (5-5-90 duty) Time : 15 hours  
- 18 -  
 
Frequency and Privacy Code Charts  
Channel Frequency Chart (MHz)  
CH. No  
CH. Freq.  
462.5625  
462.5875  
462.6125  
462.6375  
462.6625  
462.6875  
462.7125  
467.5625  
CH. No  
9
CH. Freq.  
467.5875  
467.6125  
467.6375  
467.6625  
467.6875  
467.7125  
462.5500  
462.5750  
CH. No  
17  
18  
19  
20  
CH. Freq.  
462.6000  
462.6250  
462.6500  
462.6750  
462.7000  
462.7250  
1
2
3
4
5
6
7
8
10  
11  
12  
13  
14  
15  
16  
21  
22  
Privacy Code Chart (Hz)  
Code  
Freq. (Hz)  
67.0  
Code  
9
Freq. (Hz)  
91.5  
Code  
Freq. (Hz)  
118.8  
123.0  
127.3  
131.8  
136.5  
141.3  
146.2  
151.4  
Code  
25  
26  
27  
28  
29  
30  
31  
32  
Freq. (Hz)  
156.7  
162.2  
167.9  
173.8  
179.9  
186.2  
192.8  
203.5  
Code  
33  
34  
35  
36  
Freq. (Hz)  
210.7  
218.1  
225.7  
233.6  
1
2
3
4
5
6
7
8
17  
18  
19  
20  
21  
22  
23  
24  
71.9  
74.4  
77.0  
79.7  
82.5  
85.4  
88.5  
10  
11  
12  
13  
14  
15  
16  
94.8  
97.4  
100.0  
103.5  
107.2  
110.9  
114.8  
37  
38  
241.8  
250.3  
- 19 -  
 
Limited Warranty  
InterTAN WARRANTY  
InterTAN warrants that this product will be free from defects in materials and  
workmanship for a period of one (1) year from the date of purchase. Within this  
period, simply take the product and your proof of purchase to any InterTAN store or  
dealer and the product will be repaired without charge for parts and labour. InterTAN  
reserves the right to charge for transportation. Any product which has been subject to  
misuse or accidental damage is excluded from this warranty.  
This warranty is only applicable to a product purchased through InterTAN’s company  
owned stores and dealers and to a product that is presented for repair in a country  
where InterTAN offers the product for sale. While this warranty does not confer any  
legal rights other than those set out above, you may have additional statutory rights  
which will vary under the laws of the various countries, states, provinces and other  
governmental entities in which InterTAN operates. This warranty is subject to all  
statutory rights you may have in the country of purchase.  
WE SERVICE WHAT WE SELL  
- 20 -  
 

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