Nikon DTM-502 Series Instruction Manual page 30

1) Basic Measurement Screen (BMS)
1. Battery
2. Signal
: Level 4 (Full)
: Level 3
: Level 2
: Level 1
: Battery LOW
: Battery Change
: Analog power OFF
: No-Signal (slow-blink）or Signal LOW (quick-blink)
: Flicker condition (blink)
: Level 1 (minimum)
: Level 2
: Level 3
: Level 4 (Max)
Status bar
3
3-4