diff --git a/.env.template b/.env.template
index 71270a6..c014066 100644
--- a/.env.template
+++ b/.env.template
@@ -16,9 +16,15 @@ MQTT_PORT=1883
 
 # Timing Configuration (seconds)
 HEARTBEAT_INTERVAL=60        # Heartbeat frequency in seconds
-SCREENSHOT_INTERVAL=180      # Screenshot capture frequency in seconds
+SCREENSHOT_INTERVAL=180            # Screenshot transmission (simclient)
+SCREENSHOT_CAPTURE_INTERVAL=180    # Screenshot capture (display_manager)
 DISPLAY_CHECK_INTERVAL=15    # Display Manager event check frequency in seconds
 
+# Screenshot capture behavior
+# Set to 1 to force captures even when no display is active (useful for testing)
+# In production, prefer 0 so captures only occur when a presentation/video/webpage is running
+SCREENSHOT_ALWAYS=0
+
 # File/API Server (used to download presentation files)
 # By default, the client rewrites incoming file URLs that point to 'server' to this host.
 # If not set, FILE_SERVER_HOST defaults to the same host as MQTT_BROKER.