User Manual Copyright ⓒ 2020, Lab-T, Inc.
GM-2.4G User Manual Maytel Co.
CONTENTS 1. FEATURES ....................................................................................................................... 3 2. FUNCTION DESCRIPTION.............................................................................................. 4 2.1. VOLUME CONTROL .................................................................................................................. 4 2.2. GROUP SETTING .............................................................................................
1. Features Item Power Button Description Power ON : Press and hold for 2 seconds or longer. Power OFF : Press and hold for 2 seconds or longer. Mode Button Group ID, Side Tone, Tx/Rx Mode, MIC level, Output level=Setting/Change Up Button Increase the setting value in each mode such as Volume, Channel, ID, etc. Down Button Lower the setting value in each mode such as Volume, Channel, ID, etc.
2. Function Description 2-1. Volume Control GM-2.4G has volume control function that serves user to change volume level wanted. Volume level is displayed after power is turned on. Volume level can be set with Up/Down button in the range of 0~8. The default level is 3. 2-2. Group Setting GM-2.4G has group setting function that serves user to change group to communicate. Turn on the GM-2.4G. When press and hold the Mode button, the LCD window changed to Setting Mode.
2-3. ID Setting GM-2.4G has an ID setting function that allows users to change their ID. ID should be set not to overlap each other in the same group, and Master terminal of “ 00 “ must exist. Turn on the GM-2.4G. Press and hold Mode button to enter the setting mode. Press the Mode button briefly to enter the ID setting change window. Set up the desired ID by pressing Up/Down button. The ID can be set up to 00~99. - When ID is “00”, it is set as Master.
2-5. MIC Level Control GM-2.4G can be used to adjust the MIC input level. Turn on the GM-2.4G. Press and hold Mode button to enter the setting mode. Press the Mode button 3 times in the setting mode to move to MIC gain setting change window. Press the Up/Down button to change the MIC gain setting. MIC gain can be adjusted from 1 to 5. To complete the setting, press and hold the Mode button. 2-6. Security Code Setting GM-2.4G can adjust the security code value. Turn on the GM-2.4G.
3. SPECIFICATIONS ITEM SPECIFICATION Radio Frequency Type ISM 2407MHz ~ 2476MHz Radio Interface ISM 2.4GHz: GFSK Modulation with Frequency Hopping Voice Codec 16bit/8KHz 100mW -95dBm < 100ms 139ch 500 KHz Li-ion Battery @3.7V/ 2000mA External Antenna (3.1dBi/4.0dBi) 500M @ Class 1 50 Hz ~ 4 kHz 8person (include Master device) Tx Max Output Power Rx Sensitivity Voice Latency Num.
GM-2.4G must be used after mounting it at the waist necessarily using a belt clip and That is prohibited from using accessories other than clips permanently attached to the battery cover. This product has been certified with the following antennas, and may only be used with the same or less antenna gain. Antenna Model Max. Gain Dipole Antenna HW-2450H-MSMA 3.1dBi Dipole Antenna LSDP-2402D(B) 4.
