User's Manual
RATTLER TS35-640/TS50-640 USER MANUAL 19
TABLE 2-5. BORESIGHT CORRECTIONS
MODEL
ADJUSTMENT
VALUE
RETICLE
OFFSET
BORESIGHT INCREMENT
RATTLER
87
1 click 1 pixel
0.21 mil / 0.73 MOA /
2.1 cm at 100 m distance /
0.76 in at 100 yd distance
RATTLER
TS50-640
1 click 1 pixel
0.15 mil / 0.52 MOA /
1.5 cm at 100 m distance /
0.54 in at 100 yd distance
2.2.9 RETICLE COLOR
You can change the color of the reticle.
Enable reticle first.
1. Hold
button to show the menu.
2. Select
Color menu item and press button to switch the color of reticle.
White, Green, Red, and Black colors are selectable.
3. Hold
button to save and exit.
2.2.10 FLAT FIELD CORRECTION
Flat Field Correction (FFC) function can correct non-uniformity of display.
1. Hold
button to show the menu.
2. Select
FFC menu item and press button to switch the FFC mode.
Auto: The riflescope performs FFC automatically when switching on or
rebooting the camera.
Manual: Press
button in live view to correct the non-uniformity of display.
External: Cover the lens cap, then press
button in live view to correct the
non-uniformity of display.
3. Hold
button to confirm the setting and exit.
2.2.11 CVBS OUTPUT
You can view the video on CVBS monitor, to get a better and clear image, more
convenient to check the detail.
1. Connect the USB-CVBS cable to USB port of thermal riflescope and to
monitor’s CVBS port.
NOTE:
USB-CVBS cable need to be purchase separately.
NOTE:
CVBS Output function doesn’t support hot plug, so please connect the cable
before powering on.
2. Hold
button to show the menu.
3. Select CVBS menu item and press
button to turn on or turn off the CVBS
video output.










