altosui: Initialize channel and telemetry before use in ScanUI

Otherwise we try to use telemetry format 0, which means 'no telemetry'.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/altosui/AltosScanUI.java b/altosui/AltosScanUI.java
index 54be4f52..bc1638ed 100644
--- a/altosui/AltosScanUI.java
+++ b/altosui/AltosScanUI.java
@@ -311,6 +311,9 @@ public class AltosScanUI
 
 		owner = in_owner;
 
+		channel = 0;
+		telemetry = Altos.ao_telemetry_min;
+
 		if (!open())
 			return;
 
@@ -326,9 +329,6 @@ public class AltosScanUI
 
 		pane.setLayout(new GridBagLayout());
 
-		channel = 0;
-		telemetry = Altos.ao_telemetry_min;
-
 		scanning_label = new JLabel("Scanning:");
 		
 		set_label();