Zenith H25F36DT Installation And Operating Manual, Warranty page 38

Installer menus
Installer Menu Items 79-I through 86-I: Detailed Descriptions
79-I. UPN MSB-1
User programmable number, most significant byte-1 readable by
M.P.I. command. (Week)
80-I. UPN MSB-2
User programmable number, most significant byte-2 readable by
M.P.I. command. (SN-HIGH)
81-I. UPN LSB
User programmable number, least significant byte readable by
M.P.I. command. (SN-LOW)
82-I. CHKSM ERROR
Enforces rigid M.P.I. checksum validation.
Set to 1 for validation.
Set to 0 to turn off.
83-I. HANDSHK TIME
Adds an additional delay to the handshake time which is 64
msec, thus relaxing M.P.I. timing requirements to be compatible
with PC based Windows controlled systems, range is 0 - 5.
P A G E 3 8
Set to 0 to retain standard 64 msec delay.
Set to 1 - 5 to increase @ 16 msec ea., the delay up to 144
msec.
84-I. PERMANENT BLK
Allows Parental Control blocking schemes to be permanent by
removing the blocking hours function.
Set to 1 to install Parental Control blocking restrictions perma-
nently.
Set to 0 for user-specified hours control of blocking schemes.
85-I. A. MUTE TIME
Controls audio muting delay time when switching between AUX
sources. The audio will be muted for 16 msec times the value of
this setting.
86-I. V. MUTE TIME
Controls video muting delay time when switching between AUX
sources. The video will be muted for 16 msec times the value of
this setting.
206-3854