Midland Gxt-250 Gmrs/frs Radio Owners Manual
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http://www.midlandradio.com - 11 - 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 button for 2 seconds will let you 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 transmitting. Press and hold the for 2 seconds to return to normal operation.
http://www.midlandradio.com - 12 - Call Tone : Your GXT-250 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 GXT-250 can scan all of the 22 channels 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 is on the menu function 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 the for 5 seconds. Backlit LCD : Your GXT-250 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 and releasing. The backlighting will turn on for 5 seconds.
http://www.midlandradio.com - 13 -
User Interface
To access the advanced features of your GXT-250, your radio has the following
menu functions:
Note : The unit will automatically go to normal mode after 5 seconds of no button activity
during menu setting.
Channel Selection : Your GXT-250 has 22 channels available. To change channels:
• With the radio on, press until the current channel segment
flashes.
• Use the or buttons to change the channel.
• Press the PTT button to save the new channel.
Mode Channel Power CTCSS VOX Roger
0~38 1~22 Hi/Lo On/Off On/Off
http://www.midlandradio.com - 14 - CTCSS Selection : Your GXT-250 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 until the current CTCSS Code number or “oF” flashes. • 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.
http://www.midlandradio.com - 15 - Power Selection : Your GXT-250 has two transmit power levels. To select the power level on channels 1~7 and 15~22: • Press until the “Pr” appears on the display. • Press 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.
http://www.midlandradio.com - 16 - 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 button repeatedly until the “rb” appears on the display. Press the and to set the Roger Beep tone on or off. An “on” or “oF” will appear on the display during setting.
http://www.midlandradio.com - 17 - External Speaker/Microphone Jack : Your GXT-250 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.
http://www.midlandradio.com - 18 - 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.
http://www.midlandradio.com - 19 - 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 obstructions may interfere with your communication. Radio is not responding to button presses - 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 Display is dim - Reposition or replace batteries. Charger not functioning - 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. 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.
http://www.midlandradio.com - 20 - Technical Specification A. Specification Channels 22 Channels Operating Frequency UHF 462.5500 ~ 467.7125 MHz Power Source 4 AAA Alkaline or rechargeable Ni-MH Batteries Output Power 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