TB 9-4920-454-35
R13
R10
R7
R4
R2
R27
R30
a. Performance Check
(1) Replace BH-821 adapter with BH-823 adapter in equipment set up in figure 11.
(2) Set FUNCTION SELECT switch to RES and RESISTANCE CHECK switch
to NULL BAL.
(3) Disconnect resistance standard and adjust RESISTANCE & A/C INDICATOR
CHECK meter for 0 indication.
(4) Set RESISTANCE & A/C INDICATOR CHECK switch to 22 Ω.
(5) Reconnect and set resistance standard for 21 Ω. RESISTANCE CHECK meter
pointer will deflect to the left of 0-center, to a point greater than 0.4 Ω indication. Set
resistance standard for 23 Ω. RESISTANCE CHECK meter pointer will deflect to the
right of 0-center, to a point greater than 0.4 Ω indication; if not, perform b (l) and (2) below.