Integra DTR-7.6 Service Manual page 124

FW UPGRADE
How to check version
+
STANDBY/ON
Ver.1.08/05Y29a
FL tube
Within 3 sec.
DSP Ver.:
Within 3 sec.
DSP F/W Update
1. Hold down "Display" and then press "Standby" button to show Main version.
2. Press "Setup" within 3 seconds.
When you press "Setup", another version of program is shown.
Front Display shows each version of programs in the following order:
DSP Ver.
HDM Ver. (HDMI)
Tun Ver. (XM Radio) -- blank except MDD
3. DSP Ver. is not shown easily.
To check the version of DSP FW,
3-1 When "DSP Ver.
"DSP F/W Update" will be shown.
3-2 Press any input selector button to exit "DSP F/W Update".
3-3 Hold down "Display" and then press "Standby" button to show Main version.
3-4 Press "Setup" within 3 seconds.
Main FW and DSP FW
1) If both FWs need to be upgraded, DSP FW Upgrade should
DSP Ver.:05Y28a
2) If either of Main Board or DSP Board is replaced, certain
Within 3 sec.
HDM Ver.:05X04b
Within 3 sec.
TUN Ver.:05807A
" is shown, press "Enter" within 3 seconds.
be done first.
combinations of Main-DSP FW versions do not allow you to
upgrade DSP FW.
In that case, rewrite a compatible version of Main FW,
upgrade DSP FW, and then upgrade Main FW.
DSP: Ver.05723a - Main: Ver. 1.04/05921a,1.06/05X06b,
DSP: Ver. 05Y28a - Main: Ver. 1.08/05Y25a
DTR-7.6