.
the chronograph display replaces the elapsed time display
.
elapsed time continues to run in the background and displays after the
chronograph is reset.
Time Control (four position, rotary) YA721, YA722
Sets the time and date when the time or date is selected with the date control.
FS D (fast slew, day) –
.
advances hours when time is selected with the date control
.
advances days when date is selected with the date control. SS M (slow slew, month) –
.
advances minutes when time is selected with the date control
.
advances months when date is selected with the date control. HLD Y (hold, year) –
.
stops the time indicator and sets the seconds to zero when time is selected with the date control
.
advances years when date is selected with the date control. RUN – starts the time indicator.
SET Control YD651 - YD655
Controls the setting of manual time and date:
With manual time displayed:
.
select the SET control once and the hours flash, rotate the control to adjust the hours
.
select the SET control again and the minutes flash, rotate the control to
adjust the minutes
.
select the SET control again to run the time.
With manual date displayed:
.
select the SET control once and the day flashes, rotate the control to
adjust the day
.
select the SET control again and the month flashes, rotate the control to adjust the month
Copyright . The Boeing Company. See title page for details.
10.16.26 June 1, 2005
Flight Instruments, Displays -EFIS Instruments (PFD) – Controls
737 Flight Crew Operations Manual
.
select the SET control again and the year flashes, rotate the control to
adjust the year
.
select the SET control again to run the date.
Note: A delay greater than one minute while setting the time or date results in the clock reverting to the previous time/date setting.
Plus (+) and Minus (-) Pushbuttons YA613 - YA687, YA801 - YC413, YK101 - YK104
Used to set the manual time and date:
.
select the + pushbutton to increase the value
.
select the -pushbutton to decrease the value.
Clock Switch YC153, YC154
Clock Switch
Operates the same as the chronograph (CHR) control.
Flight Recorder
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June 1, 2005 10.16.27
Flight Instruments, Displays -EFIS Instruments (PFD) – Controls 737 Flight Crew Operations Manual
Flight Recorder Test Switch
NORMAL (guarded position) –
. in flight – the recorder operates anytime electrical power is available
. on the ground – either engine must also be operating. TEST – powers the flight recorder on the ground.
OFF Light (amber)
ILLUMINATED –
.
indicates the recorder is not operating or the test is invalid
.
may indicate power failure, loss of input data, or electronic malfunction.
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10.16.28 March 28, 2005
This Section Applies to YC153, YC154
HUD Annunciator Panel
NO AIII Light
Illuminated (amber) - system or approach conditions out of tolerance.
EXCESS DEV Light
Illuminated (amber) - excessive deviation detected for AII or AIII modes.
NO FLARE Light
Illuminated (red) - flare guidance capability is lost.
TAILSTRIKE Light
Illuminated (red) - tailstrike event predicted during landing flare.
AIII Light
Illuminated (green) - AIII mode is active and all required systems and equipment are valid.
FLARE Light
Illuminated (green) - flare guidance is active.
SYS FAIL Light
Illuminated (red) - critical system fault detected.
Copyright . The Boeing Company. See title page for details.
Flight Instruments, Displays -Head-Up Display System – Controls 737 Flight Crew Operations Manual
Combiner Controls Brightness and Stow Controls
Brightness Control Switch
MAN – display intensity is set manually using the DIM control knob.
NORM – display intensity varies based on ambient light detected by a sensor on the combiner. Display intensity can also be adjusted by using the DIM control knob.
Declutter Switch
Push button to select declutter display format.
Push button again to restore normal display format.
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