diff --git a/src/stan_k/340d.1 b/src/stan_k/340d.2
similarity index 99%
rename from src/stan_k/340d.1
rename to src/stan_k/340d.2
index 84dfd33b..583b904b 100644
--- a/src/stan_k/340d.1
+++ b/src/stan_k/340d.2
@@ -14,8 +14,9 @@ title 340d - Datapoint emulator for 340 display.
 ; - Have separate display lists per line, and only update one line at a time.
 ; - Run on PDP-6.
 
-width=70. ;Should be 117
-height=40 ;Should be 50
+;These numbers come from TCTYP.
+width=117
+height=50
 
 a=1
 b=2