
*******************************Release Note******************************************

This Package is for Radio ISRM module v1.1.3 firmware update. 

Version and Files: 
ISRM_S_X9_190812.frk                              Upgrade file for internal module of X9DP 2019

readme.txt                                                         Release note 
 
Firmware Version: v1.1.3
Date:20190812

The release firmware resolved the issues below:
--------------------------------------------------------------------------------------------------------------------
1. Further reduce the system latency.

2. Optimize algorithm of RSSI and SWR.
3. Decrease PWM signal period to 7ms.

Note:Please update firmware of receiver and radio to the latest versions accordingly.
         Please take care of that your servos are compatible to 7ms PWM signal.  
-------------------------------------------------------------------------------------------------------------------
How to update internal module ISRM:
By radio (SD card) :
1. Put the firmware under the folder [FIRMWARE] of sd card.
2. Power on the radio and find the firmware,select it by press [ENT].
3. Select 'Flash int. module', wait to end.
---------------------------------------------------------------------------------------------------------------------
More details please check FrSky website:
https://www.frsky-rc.com/frsky-advanced-communication-control-elevated-spread-spectrum-access-protocol-release/

**********************All rights reserved to FrSky Electronic ., Ltd.*********************************
 