TB 6625-2328-24
(a) MEASURE Gate & ExtArm until GATE: is displayed, if necessary, press
until GATE: TIME is displayed.
(b) MEASURE Gate & ExtArm until TIME: is displayed, use , , ⇐, to
display TIME: 1.000 s and then Enter.
(c) CHANNEL 1 Trigger/Sensitivity until AUTO TRG: is displayed, then to
display AUTO TRG: OFF.
(d) CHANNEL 1 Trigger/Sensitivity until LEVEL: is displayed, if necessary,
use , , ⇐, to display LEVEL: 0.000 V and then Enter.
(e) CHANNEL 1 50Ω/1MΩ to 50Ω (LED on).
(f) CHANNEL 1 DC/AC to DC (LED on).
(5) Press TI Stop/Single key. If TI does not indicate between 9.999,999,8 and
10.000,000,2 MHz, perform b below.
b. Adjustments
(1) Press and release TI POWER ON/STBY pushbutton to STBY.
(2) Press and hold MATH Scale & Offset key while pressing POWER ON/STBY
pushbutton to ON until CAL SECURE is displayed.
(3) Press MATH Scale & Offset key until CODE:
0 is displayed.
(4) Press ⇐ key until CODE: 00000 is displayed.
(5) Press , , ⇐, keys until CODE: 53131 is displayed then press Enter key
and verify CAL UNSECURE is displayed.
(6) Press MATH Scale & Offset key until CAL: OFFS 1 ? is displayed.
(7) Press key until CAL: TIMEBAS ? is displayed.
(8) Press Enter key. When THEN ENTER is displayed press Enter key.
(9) Verify CALIBRATING is displayed followed by TB CAL PASS (can take up to
5 minutes to complete).
(10)Press MATH Scale & Offset key until CODE:
0 is displayed.
(11)Press ⇐ key until CODE: 00000 is displayed.
(12)Press , , ⇐, keys until CODE: 53131 is displayed then press Enter key
and verify CAL SECURE is displayed.
14. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
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