SETTING THE CHRONOMETER
LT OR UTC CLOCK SETTING
When in LT (or UTC) mode, press the SET pushbutton: the hours digits are
displayed, only.
Press the ADV pushbutton to advance the hours. If in LT mode range is 00:
to 12: then back to 00:. If in UTC mode range is 00: to 24: then back to 00:.
Press the SET pushbutton: the minutes and seconds are displayed, only.
Press the ADV: the seconds are reset to 00 and held.
Press ADV pushbutton again to advance the minutes (00: to 59: and then
back to 00:). Set the actual time plus 1 minute.
Press the SET pushbutton to return to LT (or UTC) mode: clock is stopped.
Start the clock by pressing the ST/SP pushbutton.
FLIGHT TIME COUNTER SETTING
Flight time counter operation is automatic: it sums up the helicopter airborne
time detected by the on-side WOW microswitch up to 99:59:59.
When in FLIGHT mode, press the ST/SP pushbutton to reset the counter.
STOP WATCH SETTING
When in SW mode, press the ST/SP start or stop the stopwatch, or press the
RST pushbutton to reset.
If the RST pushbutton is pressed while the stop watch is running, it reset to
zero and then continues to count.
DOWN COUNTER SETTING
When in DC mode, press the SET pushbutton: the counter shows 0:00:00.
Press SET a second time to enter the DC setting mode: the hours digits are
displayed, only.
Press the ADV pushbutton to advance the hours (00: to 99: then back to
00:).
Press the SET pushbutton: the minutes are displayed, only.
Press ADV pushbutton again to advance the minutes (00: to 59: and then
back to 00:).
Press the SET pushbutton: the seconds are displayed, only.
Press ADV pushbutton again to advance the seconds (00: to 59: and then
back to 00:).
Press the SET pushbutton to return to DC mode: the selected time is
displayed.
Start the down counter by pressing the ST/SP pushbutton.
When the down counter reaches 0:00:00, the counter begins counting up
until stopped and the display flashes for 1 minute.
MAGNETIC COMPASS
One magnetic compass is installed on the lower part of post between pilot
and copilot windshields. The magnetic compass is provided with integral
illumination controlled by the INSTR knob on the LT control panel (see
chapter 33-00).
The magnetic compass correction chart is installed on the upper part of the
same post.
SETTING THE CHRONOMETERLT OR UTC CLOCK SETTINGWhen in LT (or UTC) mode, press the SET pushbutton: the hours digits aredisplayed, only.Press the ADV pushbutton to advance the hours. If in LT mode range is 00:to 12: then back to 00:. If in UTC mode range is 00: to 24: then back to 00:.Press the SET pushbutton: the minutes and seconds are displayed, only.Press the ADV: the seconds are reset to 00 and held.Press ADV pushbutton again to advance the minutes (00: to 59: and thenback to 00:). Set the actual time plus 1 minute.Press the SET pushbutton to return to LT (or UTC) mode: clock is stopped.Start the clock by pressing the ST/SP pushbutton.FLIGHT TIME COUNTER SETTINGFlight time counter operation is automatic: it sums up the helicopter airbornetime detected by the on-side WOW microswitch up to 99:59:59.When in FLIGHT mode, press the ST/SP pushbutton to reset the counter.STOP WATCH SETTINGWhen in SW mode, press the ST/SP start or stop the stopwatch, or press theRST pushbutton to reset.If the RST pushbutton is pressed while the stop watch is running, it reset tozero and then continues to count.DOWN COUNTER SETTINGWhen in DC mode, press the SET pushbutton: the counter shows 0:00:00.Press SET a second time to enter the DC setting mode: the hours digits aredisplayed, only.Press the ADV pushbutton to advance the hours (00: to 99: then back to00:).Press the SET pushbutton: the minutes are displayed, only.กด pushbutton ADV อีกรุกนาที (00: ไป 59: แล้วกลับไป 00:)กด pushbutton ชุด: วินาทีแสดง เท่านั้นกด pushbutton ADV อีกครั้งเพื่อเลื่อนวินาที (00: ไป 59: แล้วกลับไป 00:)กด pushbutton ตั้งค่ากลับไปยังโหมด DC: เวลาเลือกแสดงเริ่มนับลง โดยการกด pushbutton เซนต์/SPเมื่อนับลงถึง 0:00:00 ตัวนับเริ่มนับค่าจนกว่าจะหยุดการทำงาน และการแสดงผลกระพริบ 1 นาทีเข็มทิศแม่เหล็กเข็มทิศแม่เหล็กหนึ่งติดตั้งอยู่ด้านล่างของโพสต์ระหว่างนักบินและกระจก copilot เข็มทิศแม่เหล็กไว้กับทฤษฎีบูรณาการควบคุม โดยปุ่ม INSTR ในแผงควบคุมของ LT (ดูรัศมีบทที่ 33-00)ติดตั้งอยู่บนส่วนบนของเข็มทิศแม่เหล็กการแก้ไขแผนภูมิลงรายการบัญชีเดียวกัน
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