# PAYLOAD ASSISTANT APP
## **I. Install and Config**
### **1. Overview**
* The PayloadAssistant app was developed by Gremsy Software team to support the customer easier to control Gremsy's Payloads.
* The PayloadAssistant app is an overlay app, it can be worked with QGC or any ground control station app.
* At currently, the PayloadAssistant app can work with Herelink Cubepilot System and SIYI remote system.
### **2. Install the PayloadAssistant app from the apk file**
* Get the PayloadAssistant app apk at link
* Do install by following below steps:
* Allow the PayloadAssistant app do overlay to another apps on Privacy Setting
### **3. Config the Remote**
### **4. System connecte**
## **II. Control Gimbal Features**
### **1. Change Gimbal Mode**
* Gimbal automatic turn ON when changing OFF -> LOCK or OFF -> FOLLOW
* Before sending MAPPING command, please make sure that mapping angle was be set on Gtune.
### **2. Moving Gimbal**
* PayloadAssistant allow user can moving 2 axis of gimbal: TILT and PAN
* Press and hold for moving the gimbal, release to let the gimbal stop moving.
## **III. Control Camera Features**
### **1. Control Camera Zooming**
* Press '+' button to do 1 step zoom in. With EO camera, 1 step is equivalent to 1x, with IR camera, 1 step is equivalent to (2^(3/16))x
* Press '-' button to do 1 step zoom out.
* The maximum zomming level depend on the zoom mode: 30x for super resolution mode and 240x for combine mode.
### **2. Change the Camera View**
* 5 camera views to change, (SYNC is under development).
* The camera view mode will apply to HDMI output and RTSP streaming output.
### **3. Record functions**
* The record/capture buttons only available if the storage was ready. If not, they will become gray color.
* 4 record sources can be choose: only EO (4k RGB), only IR (640x512 thermal), BOTH (record both EO and IR into the separate video/image) and OSD (record the camera view, included all overlay)
## **IV. Assistant feature**
Enable Eagle Eye + Disable Tracking: Touch the screen to move the gimbal to the touched position.
Enable Eagle Eye + Enable Tracking: Touch the screen to track the object at the touched position.
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