Midland Radio Two Way Radio G 300 User Manual

Owner’s Manual  
For Model G-300  
GMRS/FRS Radio  
FEATURING  
22 Channels  
38 CTCSS codes  
VOX  
Monitor function  
Call Alert  
Back-Lit LCD  
Vibrate Alert  
Scan  
Roger Beep Tone  
- 1 -  
 
Index  
Accessories  
Accessories order form  
Introduction  
4
5
6
FCC Licensing Information  
Controls and Buttons  
LCD Display  
6
7
8
Installing Batteries  
Charging the Batteries  
Operation  
Problems & Solution  
Frequency and CTCSS Charts  
Technical Specification  
Warranty Information  
MIDLAND Family Products  
9
10  
11-18  
19-20  
21  
22  
23  
24  
- 3 -  
 
Accessories – Accessories can be purchased at www.midlandradio.com or fill  
in the form on the following page and mail it to our address.  
AVP- 1  
AVP-2  
-
-
2 Over the ear Mic.  
Headsets w/ PTT.  
-
-
-
One Dual Desk Charger  
2 Rechargeable battery packs  
1 AC Adapter  
-
$39.95  
-
$19.95  
- 4 -  
 
ACCESSORIES ORDER FORM  
Please send Money Order or fill in Visa/Master Card information and mail to the address below.  
Please DO NOT sent cash or checks. Make Money Order to Midland Radio Corporation.  
Name:___________________________ ____ __________________  
Address:________________________________________________  
City:_____________________ State_____ Zip Code_____________  
Tel: _________________ email: __________________________  
CC#______________________ Type:___________ Exp._________  
Mail To:  
Midland Radio Corporation  
Consumer. Dept.  
Qty  
Item  
AVP-1  
AVP-2  
Price  
$19.95  
$39.95  
Total  
1120 Clay St.  
N. Kansas City MO 64116  
----------------  
Or Call 816.241.8500.  
----------------  
To order online go to  
Sub-Total  
____________  
____________  
_______ $8.95  
$___________  
Tax (MO, CO, IL, FL only)  
S&H (U.S. only)  
Total  
- 5 -  
 
Introduction  
Your G-300 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 G-300 is designed for reliable  
and trouble-free performance.  
FCC Licensing Information  
Your G-300 operates on General Mobile Radio Service (GMRS) frequencies and is subject to  
the Rules and Regulations of the Federal Communications Commission (FCC). The FCC  
requires that all operators using General Mobile Radio Service (GMRS) frequencies obtain a  
radio license before operating their equipment for business, personal or recreational use. A  
GMRS license held by an individual may be shared by immediate family members. To obtain  
Please request forms 605 and 159 which include all necessary forms and instructions.  
For questions concerning licensing, please contact the FCC at 1-888-CALL-FCC (1-888-225-  
- 6 -  
 
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  
- Scroll through the menu  
- Scan for active  
channels  
- Lock the key pad  
Speaker  
Microphone  
- 7 -  
 
LCD Display  
Low Battery level Indicator  
Key Pad Lock Icon  
VOX Icon  
Vibrate Mode Icon  
(G-227 ONLY)  
Transmit (TX) Icon  
CTCSS Channel Indicator  
Channel Indicator  
Receive (RX) Icon  
Power Hi/Lo Indicator  
- 8 -  
 
Installing Batteries  
Your G-300 radio operates with either 4 AAA Alkaline Batteries or optional NiMH  
battery Pack. The belt clip should be removed (Page 18) 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  
- 9 -  
 
Charging the batteries  
Your G-300 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. Do not charge alkaline batteries of any kind in the unit.  
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)  
2. 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.  
3. For long term storage of the radio, turn the unit OFF and remove the batteries from the  
radio.  
- 10 -  
 
Operation  
Power On/Off : Press the button for more than 1 second to turn the radio  
on. Press the button for over 3 seconds to turn the radio off.  
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 CTCSS 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  
hear 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  
button for 2 seconds will let you  
transmitting. Press and hold the  
for 2 seconds to return to normal operation.  
- 11 -  
 
Call Tone : Your G-300 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 G-300 can scan all of the 22 channel to observe for any activity. To  
enter the scan mode, press the  
button for one second. Press  
button again for  
one second 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 5 seconds . The icon will appear on the display after the second beep.  
When the  
When locked, you will be able to turn the radio off and on, monitor, transmit/receive,  
and send a call tone. To unlock, press the for 5 seconds.  
is on the menu function the  
and  
button will be disabled.  
Backlit LCD : Your G-300 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 nd releasing. The backlighting will turn on for 5 seconds.  
- 12 -  
 
User Interface  
To access the advanced features of your G-225/227, your radio has the following  
menu functions:  
G-227 only  
Vibrate  
Mode  
Channel  
1~22  
CTCSS  
0~38  
Power  
Hi/Lo  
VOX  
Roger  
On/Off  
On/Off  
On/Off  
Note : The unit will automatically go to normal mode after 5 seconds of no button activity  
during menu setting.  
Channel Selection : Your G-300 has 22 channels available. To change channels:  
With the radio on, press  
flashes.  
until the current channel segment  
buttons to change the channel.  
Use the  
or  
Press the PTT button to save the new channel.  
- 13 -  
 
CTCSS Selection : Your G-300 has 38 CTCSS codes available. The selected  
CTCSS code may be different for each channel. To select a CTCSS code for the  
current channel:  
With the desired channel selected, repeatedly press  
current CTCSS Code number or “oF” flashes.  
until the  
Use the  
or  
button to change the CTCSS code number.  
Press the PTT button to save the new CTCSS Code or press the  
repeatedly until you exit the menu.  
Note : Selecting a CTCSS code of “oF” will disable the the CTCSS feature. To  
communicate between two , both the channel and CTCSS code selections must be  
the same. To communicate with other models and brands of radios the actual radio  
frequency and CTCSS 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.  
- 14 -  
 
Power Selection : Your G-300 has two transmit power levels. To select the power  
level on channels 1~7 and 15~22:  
Press  
Press  
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  
flashes on the LCD display. Press the or  
button until the VOX icon  
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.  
- 15 -  
 
Vibrate Alert (G-300 only): Your G-300 is equipped with a Vibrate alert for silent  
operation of the radio. The radio will vibrate when receiving a call tone transmission  
instead of emitting a call tone sound. To set the unit at Vibrate alert mode:  
Press the  
display.  
Press the  
button repeatedly until the Vibrate icon flashes on the  
or button to set the Vibrate alert on or off, an  
“on” or “oF” will appear on the display during setting.  
Press the PTT button to save and exit.  
The Vibrate alert icon will appear on the display when unit is in vibrate mode.  
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, press the  
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.  
- 16 -  
 
External Speaker/Microphone Jack : Your G-300 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.  
- 17 -  
 
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.  
- 18 -  
 
PROBLEM  
SOLUTION  
No Power  
- Check battery installation and/or replace batteries  
Cannot Receive  
Messages  
- Confirm the radios have the same channel settings.  
- Make sure the you are with in range of the other transceivers.  
- Buildings and other may interfere with your communication.  
Radio is not  
- Make sure key lock is not on. See “Keypad Lock” (Page 12).  
- 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 back of the radio they may require cleaning.  
- Ensure the outlet the charger is plugged into is functioning properly.  
- Check that the batteries are installed in the radio properly.  
Charger not  
functioning  
If you have a problem which you believe requires service, please call first and  
speak with a service technician. Many problems can be remedied over the phone  
without returning the unit for service.  
- 19 -  
 
Technical Specification  
A. Specification  
Channels  
22 Channels  
Operating Frequency  
Power Source  
Output Power  
UHF 462.5500 ~ 467.7125 MHz  
4 AAA Alkaline or rechargeable Ni-MH Batteries  
Typically 2.5 Watts HI, 0.5 Watts LO  
B. Current Drain :  
Receive : 150mA max  
Transmit : 1000mA 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  
- 20 -  
 
Channel Frequency Chart  
CH. No  
CH. Freq.  
462.5625  
462.5875  
462.6125  
462.6375  
462.6625  
462.6875  
462.7125  
467.5625  
CH. No  
9
10  
11  
12  
13  
14  
15  
16  
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
21  
22  
CTCSS Code Chart  
Code  
Freq. (Hz)  
67.0  
71.9  
74.4  
77.0  
79.7  
82.5  
85.4  
88.5  
Code  
9
Freq. (Hz)  
91.5  
94.8  
97.4  
100.0  
103.5  
107.2  
110.9  
114.8  
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  
10  
11  
12  
13  
14  
15  
16  
37  
38  
241.8  
250.3  
- 21 -  
 
Limited Warranty  
Midland Radio Corporation will repair or replace, at its option without charge, any Midland FRS/GMRS  
transceiver which fails due to a defect in material or workmanship within One Year following the initial  
consumer purchase. This warranty does not apply to water damage, battery leak or abuse.  
This warranty does not include any carrying cases, earphones, or antennas, which may be a part of or  
included with the warranted product, or the cost of labor for removal or re-installation of the product in a  
vehicle or other mounting.  
Performance of any obligation under this warranty may be obtained by returning the warranted product, freight  
prepaid, along with proof of purchase to:  
Midland Radio Corporation  
Warranty Service Department  
1120 Clay Street  
North Kansas City, Missouri 64116  
This warranty gives you specific legal rights, and you may also have other rights, which vary from state to  
state.  
Note : The above warranty applies only to merchandise purchased in the United States of America or any of  
the territories or possessions thereof, or from a U.S. Military exchange.  
Midland Radio Corporation  
1120 Clay Street  
North Kansas City, MO 64116  
Tel: (816) 241-8500  
- 22 -  
 
Come see our COMPLETE PRODUCT line at www.midlandradio.com  
S.A.M.E. Weather  
Alert Radios  
CB Radios w/ESP  
2-Way Radios  
- 23 -  
 
Midland Radio Corporation  
1120 Clay St.  
N. Kansas City MO 64116  
Call 816.241.8500  
Note: Features & Specifications are subject to Change without notice. MIDLAND is not  
responsible for unintentional errors or omissions on its packaging.  
- 24 -  
 

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